Renewable Energy Technology Assessments - Kauai Island Utility ...

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Kaua’i Island Utility Cooperative Renewable Energy Technology Assessments 1.0 Executive Summary • Socioeconomic impact (7.5 percent) • Incentives/Barriers (5 percent) Cost of energy accounts for 50 percent of the overall screening score, with the rest of the criteria contributing varying degrees to the remaining 50 percent. As some of the scores will change over time as a technology matures or KIUC’s needs change, screening of technologies was done at intervals of 3, 5, 10 and 20 years in the future. Highlights of the screening include the cost of energy (Figure 1-1) and Kauai resource potential (Figure 1-2). Reciprocating Engines Combustion Turbines Increasing Cost Microturbines Fuel Cells Wind Biomass Cofiring Landfill Gas Hydroelectric Ocean Thermal Plasma Arc MSW Mass Burn Direct Fired Biomass Solar Thermal Refuse Derived Fuel Wave Biodiesel Ethanol Solar Photovoltaic Multi-Fuel Technologies Renewable Technologies 0 50 100 150 200 250 300 350 400 450 500 Levelized Cost, $/MWh Figure 1-1. Range of Levelized Cost for Renewable Technologies (Three Year Timeframe). 21 March 2005 1-3 Black & Veatch
Kaua’i Island Utility Cooperative Renewable Energy Technology Assessments 1.0 Executive Summary Electric Generation, GWh 500 450 400 350 300 250 200 150 100 50 0 Landfill Gas Ethanol Biodiesel Direct Fired Biomass Biomass Cofiring 3-Year 5-Year 10-Year 20-Year 2003 Electric Sales = 430 GWh Hydroelectric MSW Mass Burn Figure 1-2. Developable Potential of Kauai Renewable Resources (Annual Generation, GWh/yr). 21 March 2005 1-4 Black & Veatch Refuse Derived Fuel Plasma Arc Ocean Thermal Wave Solar Photovoltaic Solar Thermal Wind
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