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Renewable Energy - Essential Terms and Concepts 3-4-11.ppt
www.pge.comUses the heat of the earth to create steam and turn a generatorand turn a generator. No emissions, produces ... Tiered rate—the more you use, the more you pay. PG&E E-1 Residential Rate 6/1/10 40.0 40.0 40 0 45.0 29.1 30.0 35.0 40.0 kWh ... “ppyrofitability index”? • Should you pay different amounts for different