Advanced Power and Energy Program, Computational Environmental Sciences Laboratory - UCI 7/20 Summary Electricity Strategies Technology Potential GHG Reduction (Total Electricity Sector) Potential Air Quality Impacts Energy Efficiency Improvements Generation2.5-3.7% Positive –emissions reduction per unit electricity generated Transmission & Distribution 1-4.3% Positive- positive energy gain results in less required generation End Use7.6-30% Positive – reduction in net electricity generation Renewable Energy20-50% Positive- Lowest emitting technologies Nuclear Power5-75% Positive- Low emissions relative to fossil alternatives Carbon Capture & Storage 11%-93% Potentially Negative- criteria pollutants emitted by technologies Fuel Switching (Natural Gas) -50-45% Emissions lower than coal but higher than other alternatives
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