Renewable Energy Technology Assessments - Kauai Island Utility ...

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Kaua’i Island Utility Cooperative Renewable Energy Technology Assessments 4.0 Renewable Energy Technology Screening Credits, Subsidies, etc. Complementary to Existing Industry Table 4-11. Incentives / Barriers Screening Results Goof Public Acceptance Incentives Barriers Addresses Waste Disposal Issues Easily Actionable Replicability / Modularity Points 2 2 3 2 2 1 2 -1 -2 -3 -2 -2 -2 -3 Biodiesel ■ ■ ■ ■ ■ 100 Solar Photovoltaic ■ ■ ■ ■ 90 Landfill Gas ■ ■ ■ 85 Refuse Derived Fuel ■ ■ ■ 85 Direct Fired Biomass ■ ■ ■ ■ ■ 80 Fuel Cells ■ ■ ■ ■ ■ 80 Anaerobic Digestion ■ ■ ■ ■ 75 Ethanol ■ ■ ■ ■ 75 Reciprocating Engines ■ ■ ■ 75 Combustion Turbines ■ ■ ■ 75 Microturbines ■ ■ ■ ■ 70 Plasma Arc ■ ■ ■ 65 Solar Thermal ■ ■ ■ 65 Geothermal ■ ■ ■ 65 Hydroelectric ■ ■ ■ 50 Wind ■ ■ ■ ■ ■ ■ 50 Biomass Cofiring ■ ■ ■ ■ 40 Mass Burn ■ ■ ■ 40 Ocean Thermal ■ ■ ■ 15 Ocean Tidal ■ ■ ■ 15 Wave ■ ■ ■ ■ ■ 10 Experienced O&M Staff Already on Island 21 March 2005 4-20 Black & Veatch Possible Negative Public Health Impacts Not Good Fit Existing Industry Negative Public Perception Possible Negative Visual Impacts Lack of Supporting Industry Hurricane Sensitive Requires Development of Host Power Facility Score
Kaua’i Island Utility Cooperative Renewable Energy Technology Assessments 4.0 Renewable Energy Technology Screening This analysis concluded that landfill gas, biodiesel, direct fired biomass, refuse derived fuel, solar photovoltaics, and fuel cells have the greatest level of incentives and fewest barriers to development on Kauai. Although the incentives and barriers differed between these technologies, some similarities exist that produced high scores. All technologies are deemed to have good public acceptance, and credits or subsidies are generally available for all but landfill gas and refuse derived fuel. In addition, no significant barriers were identified to the development of any of these technologies. Technologies with substantial barriers to development include all the ocean energy technologies, MSW mass burn, and biomass cofiring. The primary barrier to biomass cofiring is that it would require development of a new host coal facility. Interestingly, wind and hydro received the same score: 50 out of 100. There is an even mix of both incentives and barriers to developing these types of projects. 4.4.8 Summary Conclusions The scores for each of the criteria were summed together of 3, 5, 10 and 20 year timeframes. The results are shown in Table 4-12 for each of the periods. This information is also charted in Figure 4-4. Table 4-12. Technology Screening Results (Sorted by Year 10). Technology 3-Year 5-Year 10-Year 20-Year Landfill Gas * 78 81 81 Wind 80 80 79 87 Direct Biomass 65 73 78 78 Biomass Cofiring * * 77 78 Hydroelectric 72 73 72 73 Plasma Arc * * 72 74 MSW Mass Burn * 66 71 72 Ocean Thermal * * 71 74 Solar Thermal * 63 68 71 Refuse Derived Fuel * 51 56 57 Biodiesel 47 50 54 59 Reciprocating Engine 47 47 52 52 Ethanol 37 42 52 59 Wave * 39 49 68 Combustion Turbines 40 40 45 45 Microturbines 34 36 44 45 Fuel Cells 32 34 42 44 Solar Photovoltaic 33 34 34 43 * No developable potential in this timeframe. 21 March 2005 4-21 Black & Veatch
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11401 Lamar Black & Veatch Corporat
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Principal Investigators: Ryan Pletk
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Kaua’i Island Utility Cooperative
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