Relevant bibliographies by topics / Water utility company

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Water utility company'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "Water utility company"

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RAY, C. F. "THE USE OF GIS IN A MAJOR WATER UTILITY COMPANY." Proceedings of the Institution of Civil Engineers - Civil Engineering 114, no. 6 (January 1996): 23–29. http://dx.doi.org/10.1680/icien.1996.28912.

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Akinyi, Agwa Maryline, and Paul A. Odundo. "Revenue Generation Aspects That Influence Financial Sustainability of Public Water Utilities in Kenya: The Case of Homa Bay Water and Sewerage Company Limited." Asian Business Research 3, no. 2 (April 23, 2018): 1. http://dx.doi.org/10.20849/abr.v3i2.370.

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Water sector reforms entrenched commercialization of water services and necessitated establishment of autonomous public utilities to cushion poor citizens from high market prices and guarantee access to water. The purpose of this study was to demonstrate how well the utility prepared its revenue generation operations to achieve financial sustainability in the commercialized water market. A cross-sectional design, with mixed methods approach, was applied, and primary data sourced in mid-2017 from water officers, users and committee members. Quantitative analysis techniques included cross-tabulation with Chi square statistic, Relative Importance Index and Kendall’s Coefficient of Concordance. The results show that non-revenue water was the most important aspect of revenue generation influencing the utility’s financial sustainability (relative weight = 0.879); followed by efficiency of the billing system (relative weight = 0.866); efficiency of revenue collection (relative weight = 0.853); and unaccounted for water (relative weight = 0.790). A strong and significant concordance of views expressed by different respondents implied that the revenue generation pillar was not adequately set to enable the utility achieve financial sustainability in the commercialized water market (Kendall’s W= 0.893, χ2 = 71.222, df = 4 & ρ-value = 0.000). The study amplifies need for the utility to control non-revenue and unaccounted for water; forge active partnership with community administrative structures and groups for early detection and reporting of physical leakages, pilferage and defective metering equipment; among other measures.
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Su, Steve. "Distributional Modeling of Pipeline Leakage Repair Costs for a Water Utility Company." American Journal of Mathematical and Management Sciences 27, no. 3-4 (February 2007): 369–400. http://dx.doi.org/10.1080/01966324.2007.10737706.

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Said, Laila, Fifi Swandari, and Meldasari Said. "CSR Programs of Municipal Water Utility Companies for Wetland Communities of South Kalimantan." Asia Proceedings of Social Sciences 7, no. 1 (January 31, 2021): 38–41. http://dx.doi.org/10.31580/apss.v7i1.1754.

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Many studies on Corporate Social Responsibility (CSR) analyze the effectiveness and efficiency of private companies' social funds. Only a few studies on CSR programs of municipal utility companies. The municipal utility company is unique because it has a captive market, and the Government regulates the company. These factors impact company's CSR strategy. This study qualitatively analyzed the CSR of municipal water utility companies of Bandarmasih and Intan Banjar. The Bandarmasih, which is located in the city of Banjarmasin, represents urban wetlands. The Intan Banjar, which service area includes Banjarbaru city and Banjar regency, represents rural wetlands. The analysis method was descriptive exploratory through observation, interviews, and focus group discussion. The results showed that the CSR programs had been sufficiently implemented but ineffective to fulfill the wetland community's needs. The CSR programs were sporadic and did not strategically improve the companies' image. The CSR programs were not derived from the companies' vision and mission. There was no formulated social responsibility policy. This current research contributes to designing a 'signature' CSR program under its core business competencies for community welfare. This research is among the first to focus on municipal utility companies' CSR programs concerning communities in wetland areas.
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Guzmán, Diego A., Guilherme S. Mohor, and Eduardo M. Mendiondo. "Multi-Year Index-Based Insurance for Adapting Water Utility Companies to Hydrological Drought: Case Study of a Water Supply System of the Sao Paulo Metropolitan Region, Brazil." Water 12, no. 11 (October 22, 2020): 2954. http://dx.doi.org/10.3390/w12112954.

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The sustainability of water utility companies is threatened by non-stationary drivers, such as climate and anthropogenic changes. To cope with potential economic losses, instruments such as insurance are useful for planning scenarios and mitigating impacts, but data limitations and risk uncertainties affect premium estimation and, consequently, business sustainability. This research estimated the possible economic impacts of business interruption to the Sao Paulo Water Utility Company derived from hydrological drought and how this could be mitigated with an insurance scheme. Multi-year insurance (MYI) was proposed through a set of “change” drivers: the climate driver, through forcing the water evaluation and planning system (WEAP) hydrological tool; the anthropogenic driver, through water demand projections; and the economic driver, associated with recent water price policies adopted by the utility company during water scarcity periods. In our study case, the evaluated indices showed that MYI contracts that cover only longer droughts, regardless of the magnitude, offer better financial performance than contracts that cover all events (in terms of drought duration). Moreover, through MYI contracts, we demonstrate solvency for the insurance fund in the long term and an annual average actuarially fair premium close to the total expected revenue reduction.
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Levina, A. I., and D. A. Serov. "Model of an Architectural Solution for a Value-Oriented Utility Company." Economics and Management 26, no. 6 (August 25, 2020): 606–12. http://dx.doi.org/10.35854/1998-1627-2020-6-606-612.

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Current trends in the housing and utilities sector are associated with a value-oriented approach, which implies that the key aspect in designing a product or service is the value received by the consumer.Aim. The presented study aims to develop a model of an architectural solution for a utility company that implements a value-oriented approach to services by using technologies for collecting and analyzing personalized data.Tasks. The authors form the value proposition of a utility company (through the example of a water supply and disposal company), determine the role of data collection, transmission, processing, and analysis technologies in the implementation of this value proposition, and develop a model for an architectural solution for a value-oriented utility company.Methods. This study uses an architectural approach to the design of enterprise management systems.Results. The study proposes a model of an architectural solution for a value-oriented utility company that describes the interaction between the user and corporate architecture of value proposition implementation. This model serves as a basis for creating detailed requirements for the services of application architecture, data architecture, and technological architecture of the utility system.Conclusions. The architectural model of a utility company should make allowance for the requirements of compliance with the principles of value-oriented activity - from business services to IT systems and technological architecture. Personalized data collection is one of the most important conditions for the implementation of a value-oriented approach. A model for integrating data processing technologies in the architectural solution of a utility company will allow it to develop and implement the services necessary for value proposition implementation.
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Reid, Scott, Ali Chalak, and Jonathan Hecht. "Determining the optimal investment plan for water utilities: the case of Veolia Water Central." Water Supply 10, no. 3 (July 1, 2010): 367–75. http://dx.doi.org/10.2166/ws.2010.098.

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Water utilities face difficult choices in how most efficiently to plan for investments that best meet the needs of their customer base. An obvious interest of water utilities is thus to optimise their investment planning to obtain the maximum possible benefits for the costs accrued by the investments. The objective of this article is to demonstrate an approach for a water utility to determine the benefits of investments in different possible service areas. We used a stated preference choice experiment approach to estimate the willingness-to-pay of customers of a utility company in Southeast England for various water services that are both private and public in nature. Using state-of-the-art econometric methods, we demonstrate how customer preferences can be estimated at the individual level, as opposed to more standard modelling approaches that assume that tastes are homogeneous among the customer population. Willingness-to-pay results were mostly statistically significant for the various private and public services presented to customers, and results conformed to the expectations of economic theory. We demonstrate how individual-level customer preferences can be used to forecast the preferred alternatives of customers when faced with different possible investment programmes. Lastly, we outline how various benefits and costs, including those captured by willingness-to-pay, are used to optimise the water utility's investment planning.
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Annesi, Nora, Massimo Battaglia, and Marco Frey. "Stakeholder engagement by an Italian water utility company: Insight from participant observation of dialogism." Utilities Policy 72 (October 2021): 101270. http://dx.doi.org/10.1016/j.jup.2021.101270.

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Amankwaa, Godfred, Festus A. Asaaga, Christian Fischer, and Patrick Awotwe. "Diffusion of Electronic Water Payment Innovations in Urban Ghana. Evidence from Tema Metropolis." Water 12, no. 4 (April 2, 2020): 1011. http://dx.doi.org/10.3390/w12041011.

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Recent advances in mobile technologies, especially in the utility payment space, are having an increasingly profound impact on our daily lives and offer advantageous services in the utility sectors. This paper examines the prevalence and patterns of customer uptake of an electronic water payment (EWP) system and its implications for water delivery in the Tema Metropolitan Area, Ghana. Data for the study comprised a survey of 250 utility customers and the review of a 12-month water use and customer payment database from a water supply company. Results indicate that although customers were aware of EWP’s existence, overall uptake was very low. EWP awareness and intention to use EWP were not significantly associated with customers’ gender, phone/mobile money ownership, educational status, and water usage. However, age, employment status, income, and means of receiving monthly bills were found to be statistically different in relation to the awareness of EWP. These findings offer several implications for water service and utility providers to market mobile payment solutions and to increase the consumer uptake of these services and payment options.
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Septiyana, Diah. "WATER CONSUMPTION PREDICTION USING FUZZY TIME SERIES - A CASE STUDY IN PRIVATE COMPANY OF TANGERANG DISTRICT INDONESIA." J@ti Undip : Jurnal Teknik Industri 15, no. 3 (September 14, 2020): 203–8. http://dx.doi.org/10.14710/jati.15.3.203-208.

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Consumption of water in the Tangerang Regency continuously increases from year to year due to the increasing population and birth rates an average increase of 3% every year. So, the water demand prediction to be important to meet customer or community needs. The private water utility company needs to use a new method for predicting future monthly water consumption values and improves accuracy when forecasting time series using a visibility graph and presents to make more accurate predictions. In this study, we aim to measure the trend analysis volume of water consumption prediction by Fuzzy Time Series versus actual usage volume. Fuzzy Time Series (FTS) is a concept plan method that uses fuzzy logic that is able to provide predictions (estimates) of time series data analysis for the next several periods. Mean Absolute Percentage Error (MAPE) is obtained for different configurations of the input sets and of the FTS model structure. From the results of the average value error accuracy was only 4.5% using FTS Chen Method and included in the low category and water consumption actual versus prediction with the FTS Chen method shown related stable.
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Dissertations / Theses on the topic "Water utility company"

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Mello, Vincent Malesela. "Integrating enterprise resource planning into electronic content management in a South African water utility company." Thesis, 2019. http://hdl.handle.net/10500/27378.

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Bibliography: pages 184-207
Digital records are either stored in an enterprise resource planning (ERP) system or electronic content management (ECM), or managed without the benefit of either system. In many countries, public and private organisations have implemented ECM systems, some have implemented ERP systems and others generate digital records without the benefit of any controlled system. In most organisations such systems are not integrated resulting in duplication and fragmentation of records. The South African Water Utility company, Rand Water, has implemented both ERP and ECM systems. Investing in these systems as an organisation comes at a cost but it can add value when used optimally to improve the organisation’s productivity and efficiency. To achieve high productivity and efficiency, integration of an ERP system into an ECM system is a requirement but remains lacking. This qualitative study utilised the Actor Network Theory to explore the integration of ERP into ECM at the South African Water Utility company, Rand Water, with a view to developing a framework for integration of the systems. The study utilised a system analysis case design with fourteen interviews conducted at different levels in the organisation and diverse business units using ERP and ECM to perform their operational deliverables in line with the organisation’s business objectives. The interviews were augmented with data from document analysis of policies, specifications and functionalities of the systems to determine the feasibility of integration. The study established that the water utility company has implemented ERP systems (SAP) since 1994 and ECM system since 1991 (Papertrail and later IBM FileNet) with only information flow module integrated. The study suggested that to integrate ERP into ECM, human and non-human actors need to collaborate to ensure that the actor network being integrated is achieved. The study also presents a strategy discussion for integrating ERP into ECM. A further study on the transfer of digital records in ECM into archival custody is recommended.
Information Science
D. Phil. (Information Science)
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Malatji, Erven Sello. "An analysis of strategy plan on business performance of a water utility : a Midvaal water company case study / Erven Sello Malatji." Thesis, 2014. http://hdl.handle.net/10394/15393.

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The purpose of the research was to assess the strategic management process of a water utility in South Africa. The research focused on Midvaal Water Company, a section 21 water utility based in South Africa, North West Province town of Klerksdorp. The objectives of the study were; (a) to assess the organisational level of knowledge when it comes to SMP, (b) to determine different perceptions with regards to SMP between management and employees, (c) to determine the organisational profiles (age, gender, educational qualifications, race and employment type). Literature review was conducted covering the South Africa water framework paying particular attention to different role players and legislative framework governing the sector; the latter included the strategic management process of a water utility as applied in the Midvaal Water Company context. The research approach was quantitative methodology, which involved distribution of questionnaires as part of field work in the water utility. Questionnaires were analysed through statistical approach, and further linked back to the problem statement. The questionnaires were also tested for Validity and reliability which was found to be acceptable. The results indicate that there is a correlation between strategic management process and organisational results. The results also provide interesting relationships between variables that can be explored further. In conclusion successful implementation of strategy requires both leadership and employee commitment. More effort needs to be put in place to ensure that there is an understanding of company values mission and vision. As part of the succession planning the water utilities should consider succession planning as a tool to develop future leaders, by identifying future potential leaders and involving them in the strategy crafting process can help in creating a pool of competent future leaders that will contribute to the well being and sustainability of the water utility.
MBA, North-West University, Potchefstroom Campus, 2015
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Motaung, Thembi Laura. "Organisational commitment and job satisfaction as antecedents of organisational citizenship behaviour at the water utility company in Gauteng." Thesis, 2016. http://hdl.handle.net/10352/333.

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M. Tech. (Business Administration, Faculty of Management Sciences), Vaal University of Technology
Organisations need employees who are willing to go beyond the requirements of the job to contribute to the organisation’s effectiveness. An evolving trend in the organisational behaviour literature indicates that job satisfaction (JS) and organisational commitment (OC) are attitudes that have a major impact on organisational outcomes such as productivity, job performance, turnover intentions and organisational citizenship behaviour (OCB). Although the relationship between the aforementioned constructs is considered important, there is a paucity of research about the relationship between these constructs in the context of the water utility company. The primary objective of this study was to investigate the impact of organisational commitment and job satisfaction on organisational citizenship behaviour at the water utility company in Gauteng. A quantitative research approach and a survey-based descriptive research method were used to achieve the primary objective. A structured questionnaire was issued to 400 randomly sampled respondents. Furthermore, means and factor analysis were performed to determine the level of job satisfaction, organisational commitment and organisational citizenship behaviour of employees and to establish the underlying factors of the constructs respectively. Additionally, a correlation analysis was conducted to establish the strength and direction of the relationship between the factors. Finally, a regression analysis was performed to confirm the predictive relationship between factors. The findings of this study showed a positive correlation between affective commitment, indebted obligation and moral imperative; JS and OCB; and no predictive relationship was observed between continuance commitment and OCB. Based on the findings, it was recommended that JS should be improved through mechanisms such as job-fit, job enrichment and career advancement. Furthermore, performance-related pay and mentorship programmes should be introduced to improve employees’ organisational commitment. Finally, recognition should be given to employees to encourage them to maintain their willingness to display citizenship behaviours.
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Books on the topic "Water utility company"

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Parker, John van C. Consumers Water Company: "not just another utility". New York: Newcomen Society of the United States, 1988.

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Bank, Asian Development, and Manila Water Company, eds. Tap secrets: The Manila Water story : the case study of Manila Water Company, an exercise in successful utility reform in urban water sector. Mandaluyong City, Metro Manila, Philippines: Asian Development Bank and Manila Water Company, 2014.

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US GOVERNMENT. Compilation of securities laws within the jurisdiction of the Committee on Energy and Commerce: Including Securities Act of 1933, Securities Exchange Act of 1934, Public Utility Holding Company Act of 1935, Trust Indenture Act of 1939, Investment Company Act of 1940, Investment Advisers Act of 1940, Securities Investor Protection Act of 1970. Washington: U.S. G.P.O., 1985.

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GOVERNMENT, US. Compilation of securities laws within the jurisdiction of the Committee on Energy and Commerce: Including Securities Act of 1933, Securities Exchange Act of 1934, Public Utility Holding Company Act of 1935, Trust Indenture Act of 1939, Investment Company Act of 1940, Investment Advisers Act of 1940, Securities Investor Protection Act of 1970. Washington: U.S. G.P.O., 1988.

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US GOVERNMENT. Compilation of securities laws within the jurisdiction of the Committee on Energy and Commerce: Including Securities Act of 1933, Securities Exchange Act of 1934, Public Utility Holding Company Act of 1935, Trust Indenture Act of 1939, Investment Company Act of 1940, Investment Advisers Act of 1940, Securities Investor Protection Act of 1970. Washington: U.S. G.P.O., 1989.

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Water restructuring and privatisation policy: Utility company levels of service for core services. [London: Department of the Environment, 1988.

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A Critique of the New Public Management and the Neo-Weberian State: Advancing a Critical Theory of Administrative Reform, Public Organization Review. Can't find the publisher, 2007.

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Book chapters on the topic "Water utility company"

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Contos, Brian T. "Mixing Revenge and Passwords—A Utility Company in Brazil." In Enemy at the Water Cooler, 137–43. Elsevier, 2007. http://dx.doi.org/10.1016/b978-159749129-7/50014-x.

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Shika Kwami, Corina, and Nick Tyler. "Adaptive Governance as an Avenue for Delivering Public Purpose in the Wake of Financialization." In Sustainability in Urban Planning and Design. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.89270.

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The demand for infrastructure and utility services is an acute challenge for countries in middle- and low-income countries undergoing high levels of urbanization, demographic shifts, and civil and political reorganization. The demand for utilities occurs alongside a trend toward increased financialization of the local state. A challenge for meeting demand for utility services is the shift toward increased financialization where the delivery of public purpose is challenged. This chapter aims to highlight governing arrangements that aid in understanding how public purpose can be delivered through utilities using the case study of Medellin, Colombia. Through examples of public infrastructure projects and the delivery of water by its utility-company, Empresas Publicas de Medellin, the paper discusses how this company achieved alignment of essential services with public purpose through adaptive governance structures that mitigate adverse effects of financialization and promote the integration of economic, environmental, and social goals. While this case does not propose a transferable model of governance, it highlights arrangements that enable a more mixed, adaptive, and nuanced understanding of how adverse effects associated with total financialization might be abated.
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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Joseph DeAlteris, Laura Skrobe, and Christine Lipsky. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch16.

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<em>Abstract.</em> —Seabed disturbance by mobile bottom-fishing gear has emerged as a major concern related to the conservation of essential fish habitat. Unquestionably, dredges and trawls disturb the seabed. However, the seabed is also disturbed by natural physical and biological processes. The biological communities that utilize a particular habitat have adapted to that environment through natural selection, and, therefore, the impact of mobile fishing gear on the habitat structure and biological community must be scaled against the magnitude and frequency of seabed disturbance due to natural causes. Fishers operating in the mouth of Narragansett Bay, Rhode Island use trawls to harvest lobsters, squid, and finfish and dredges to harvest mussels. These mobile fishing gears impact rock, sand, and mud substrates. Side-scan sonar data from 1995 with 200% coverage were available from the National Oceanic and Atmospheric Administration for the mouth of Narragansett Bay. Analysis of these data indicates that evidence of bottom scarring by the fishing gear is restricted to deeper waters with a seabed composition of soft cohesive sediments, despite the observation that fishing activity is ubiquitous throughout the bay mouth. A quantitative model has been developed to compare the magnitude and frequency of natural seabed disturbance to mobile fishing gear disturbance. Wave and tidal currents at the seabed are coupled with sediment characteristics to estimate the degree of seabed disturbance. Field experiments designed to compare the longevity of bottom scars indicate that scars in shoal waters and sand sediments are short-lived, as compared to scars in deep water and mud sediments, which are long-lasting. Finally, the model results are compared to the recovery time of sediments disturbed by the interaction of the fishing gear with the seabed. The impact of mobile fishing gear on the seabed must be evaluated in light of the degree of seabed disturbance due to natural phenomena. The application of this model on a larger scale to continental shelf waters and seabed sediment environments will allow for the identification of problematic areas relative to the degradation of essential fish habitat by mobile fishing gear.
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"Fish Habitat: Essential Fish Habitat and Rehabilitation." In Fish Habitat: Essential Fish Habitat and Rehabilitation, edited by Joseph DeAlteris, Laura Skrobe, and Christine Lipsky. American Fisheries Society, 1999. http://dx.doi.org/10.47886/9781888569124.ch16.

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<em>Abstract.</em> —Seabed disturbance by mobile bottom-fishing gear has emerged as a major concern related to the conservation of essential fish habitat. Unquestionably, dredges and trawls disturb the seabed. However, the seabed is also disturbed by natural physical and biological processes. The biological communities that utilize a particular habitat have adapted to that environment through natural selection, and, therefore, the impact of mobile fishing gear on the habitat structure and biological community must be scaled against the magnitude and frequency of seabed disturbance due to natural causes. Fishers operating in the mouth of Narragansett Bay, Rhode Island use trawls to harvest lobsters, squid, and finfish and dredges to harvest mussels. These mobile fishing gears impact rock, sand, and mud substrates. Side-scan sonar data from 1995 with 200% coverage were available from the National Oceanic and Atmospheric Administration for the mouth of Narragansett Bay. Analysis of these data indicates that evidence of bottom scarring by the fishing gear is restricted to deeper waters with a seabed composition of soft cohesive sediments, despite the observation that fishing activity is ubiquitous throughout the bay mouth. A quantitative model has been developed to compare the magnitude and frequency of natural seabed disturbance to mobile fishing gear disturbance. Wave and tidal currents at the seabed are coupled with sediment characteristics to estimate the degree of seabed disturbance. Field experiments designed to compare the longevity of bottom scars indicate that scars in shoal waters and sand sediments are short-lived, as compared to scars in deep water and mud sediments, which are long-lasting. Finally, the model results are compared to the recovery time of sediments disturbed by the interaction of the fishing gear with the seabed. The impact of mobile fishing gear on the seabed must be evaluated in light of the degree of seabed disturbance due to natural phenomena. The application of this model on a larger scale to continental shelf waters and seabed sediment environments will allow for the identification of problematic areas relative to the degradation of essential fish habitat by mobile fishing gear.
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Conference papers on the topic "Water utility company"

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Budiarti, Rizqi Putri Nourma, Sritrusta Sukaridhoto, Mochamad Hariadi, and Mauridhi Hery Purnomo. "Big Data Technologies using SVM (Case Study: Surface Water Classification on Regional Water Utility Company in Surabaya)." In 2019 International Conference on Computer Science, Information Technology, and Electrical Engineering (ICOMITEE). IEEE, 2019. http://dx.doi.org/10.1109/icomitee.2019.8920823.

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Anggraini, Auliya, Entin Martiana Kusumaningtyas, Ali Ridho Barakbah, and M. Tafaquh Fiddin Al Islami. "Indonesian Conjunction Rule Based Sentiment Analysis For Service Complaint Regional Water Utility Company Surabaya." In 2020 International Electronics Symposium (IES). IEEE, 2020. http://dx.doi.org/10.1109/ies50839.2020.9231772.

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Diatmika, I. Putu Gede, and Gede Adi Yuniarta. "Analysis of Internal Business Plan Control at the Regional Water Utility Company in Gianyar Regency." In 5th International Conference on Tourism, Economics, Accounting, Management and Social Science (TEAMS 2020). Paris, France: Atlantis Press, 2020. http://dx.doi.org/10.2991/aebmr.k.201212.008.

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Pertsch, V. Christopher F., Jomana Bashatah, Jose Soberanis, and Wisal Mohamed. "Design of a decision support system for the scheduling of a workflow process for a water utility company." In 2018 Systems and Information Engineering Design Symposium (SIEDS). IEEE, 2018. http://dx.doi.org/10.1109/sieds.2018.8374766.

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Sclafani, Anthony. "Analysis of Carbon Dioxide Emission Reductions From Energy Efficiency Upgrades in Consideration of Climate Change and Renewable Energy Policy Initiatives Using eQUEST." In ASME 2010 4th International Conference on Energy Sustainability. ASMEDC, 2010. http://dx.doi.org/10.1115/es2010-90143.

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In January 2008 the Governor of Hawaii announced the Hawaii Clean Energy Initiative; an initiative that aims to have at least 70 percent of Hawaii’s power come from clean energy by 2030 [4]. In July 2009, the Hawaii Department of Accounting and General Services awarded NORESCO, an energy service company, a $33.9M contract to improve the energy efficiency of 10 government buildings. The avoided utility cost of the energy and water savings from the improvements is the project funding mechanism. The energy savings realized by the project will reduce carbon dioxide emissions associated with utility power generation. However, as renewable energy becomes a larger portion of the utility generation profile through the Hawaii Clean Energy Initiative, the carbon dioxide emissions reductions from specific energy efficiency measures may erode over time. This work presents a method of analysis to quantify the carbon dioxide emissions reduction over the life of a project generated by energy efficiency upgrades that accounts for both the impact of policy initiatives and climate change using DOE-2/eQUEST. The analysis is based on the fact that HVAC energy usage will vary with climate changes and that carbon dioxide emission reductions will vary with both energy savings and the corresponding utility’s power generation portfolio. The energy savings related to HVAC system energy efficiency improvements are calculated over the life of a 20 year performance contract using a calibrated DOE-2/eQUEST model of an existing building that utilizes weather data adjusted to match the predictions of the Intergovernmental Panel on Climate Change. The carbon dioxide emissions reductions are calculated using the energy savings results and a projection of the implementation of the Hawaii Clean Energy Initiative. The emissions reductions are compared with other analysis methods and discussed to establish more refined expectations of the impact of energy efficiency projects in context with climate changes and policy initiatives.
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August, J. K., and J. J. Hunter. "Relicensing Fort St. Vrain: How the HTGR Design Basis Was Rediscovered." In Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58030.

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Over its 1968–1988 life, PSCo relicensed the Fort St. Vrain (FSV) High-temperature Gas Reactor (HTGR) for light water reactor (LWR) technology requirements. Estimates of the financial losses associated with the plant range from $500 million to $2 billion in 1980 dollars. Colorado ratepayers, the shareholders of Gulf General Atomics and its corporate successors — General Atomics, GA Technologies or just GA and Public Service Company of Colorado (PSCo) bore these losses. Two critical plant issues required solution for the plant’s economic success — (1) the high-cost of 93% enriched uranium fuel and (2) low unit availability. While fuel costs were beyond utility control, low availability was controllable, yet remained unresolved. Commercially isolated for twenty years, PSCo shut the plant down in 1988. Economic success of future HTGRs depends upon avoiding similar complications. This paper examines the issues that made FSV uneconomic, including those fundamental to HTGR technology and others attributable to the utility operator and its culture. Knowing the history of FSV and HTGR design, designers should anticipate reasonable challenges. Preparations will help manage future HTGR risks, costs, and assure operating success. Regulators and industry can assure more effective, economic operations in the next round of HTGR designs.
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Henderson, Charles R., Jerry A. Ebeling, and Richard C. Smith. "Union Electric Company’s Combustion Turbine Inlet Air Cooling Study." In 1993 Joint Power Generation Conference: GT Papers. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-jpgc-gt-6.

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Union Electric Company is a summer peaking utility, experiencing peak electrical load demands during the hot summer months. Combustion turbine generators are often used to meet the summer peak demands. However, the generating capability of a combustion turbine decreases as the ambient air temperature increases. When system peak demands are at their highest levels on the hottest days of the year, the generating capacity of the combustion turbines are at their lowest values. This lost generating capacity can be recovered by cooling the air entering the combustion turbines. Various combustion turbine inlet air cooling technologies were investigated for a General Electric Model 7B combustion turbine. The cooling technologies evaluated in the study were evaporative cooling, thermal energy storage (ice), on-line mechanical chiller, direct absorption chiller, steam absorption chiller with heat recovery steam generator (HRSG), and once-through cooling using well water. Conceptual designs, performance estimates, installation and operating costs were developed for each alternative.
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8

Clarke, Patrick, Darren M. Nightingale, Earl Proud, and Dennis J. Schumerth. "Tampa Electric Company - Big Bend Station, The First Complete Station Titanium-Tubed Modular Condenser Changeout - Units 1–4: A Case Study." In ASME 2011 Power Conference collocated with JSME ICOPE 2011. ASMEDC, 2011. http://dx.doi.org/10.1115/power2011-55159.

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Tampa Electric Company, (a TECO Energy Company) Big Bend Power Station is located on the east shore of Tampa Bay, in Hillsborough County, Florida. The station operates four (4) coal-fired units as described in Table 1A. The condensers for these units are cooled with sea water taken from Tampa Bay. In 2005, as part of a management sanctioned effort to restore plant capacity, and improve long-term plant reliability and availability, it was concluded that, among other plant upgrade considerations, titanium-tubed modular condensers should replace all four existing units. In support of this effort, our case study will highlight and present salient issues relating to this specific project conception, evaluation and implementation. Ancillary issues including integration of existing ball cleaning systems, constraints on circulating water pump flow, environmentally-driven limitations on temperature discharge, localized MIC attack, material selection considerations and installation logistics and constraints will also be discussed. The paper will present a rigorous evaluation covering the long-term benefits when comparing a modular changeout vs. the direct condenser retube option. Since unit performance prior to the revamping was well documented in advance of workscope completion, the newly installed system could be directly compared against historical norms. As a result, expanded coverage of the successful Unit 1 & 2 results of this unique comparison capability will be identified. In terms of industry precedence, the documented success of this project demonstrates that this first-of-a-kind sequential modular condenser installation at a multiple-unit, coal-fired power station has satisfied management expectations providing the Big Bend Stations with sustainable power generation reliability for the future, restored unit capacity and created an innovative and cooperative interconnectivity between the utility and vendor alike.
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9

Hammonds, James S. "Cost Competitive Implementation of Community Shared Microgrids." In ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/es2008-54155.

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Microgrids are systems of linked distributed energy (DE) generation sources that provide power for a relatively small number of users. In this work, we show how microgrids can be used to reduce emissions and deliver power with an annual amortized cost that is competitive with grid power. To perform the analysis, average hourly electrical load profiles for residential customers in Washington, DC were obtained from the utility company (Pepco). Hot water and heating fuel consumption is modeled computationally using prototype building characteristics. The energy consumption data is then used with a computer-based model to analyze grid-tied microgrids. The DE sources examined in this work are photovoltaic arrays and combined heat and power (CHP). The cost and CO2 emissions for the microgrid are compared to the case where power is drawn solely from the grid. We show that when DE capacity is optimally utilized, the microgrid is cost competitive, and the cost to reduce emissions is lowered.
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10

Trass, O., E. A. J. Gandolfi, E. J. Anthony, and M. Maryamchik. "Reactivation of Fluidized Bed Combustor Ashes: Economic Evaluation and Implementation." In 18th International Conference on Fluidized Bed Combustion. ASMEDC, 2005. http://dx.doi.org/10.1115/fbc2005-78121.

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When high-sulfur-content coal or coke is used as fuel in fluidized bed combustors, a large excess of limestone or dolomite must be added for good SOx capture. All of the limestone is calcined but only 30–40% is actually sulfated. The resultant ashes are difficult to dispose of because of the free calcium oxide. These ashes can be reactivated for further SOx capture. A proposed, economic process involves wet grinding of the ashes with sufficient excess water to allow both complete hydration and good grinding conditions. To prevent cementitious solidification of the wet product, it is then mixed with selected dry materials, for example fine coal, to absorb the excess water. Wet waste coal fines or sludges may also be used, then both to provide the water and prevent solidification. The product is then granulated with the cementitious reactions providing a binder for the granules. Good results with large additional SOx capture have been observed both in a small pilot-sized CFBC and during a 54-hour utility boiler test in a 35 MWt boiler. Calcium utilization was nearly doubled, with significant reduction of CO2 emissions. Based on the test results, quick equity payback is expected with savings from reduced limestone purchase and ash disposal costs. In collaboration with The Babcock and Wilcox Company (B&W), a long test program at the Southern Illinois University in Carbondale, IL is planned.
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