Most reported spending supported residential and commercial energy efficiency: 43 pct of spending targeted residential customers, 49 pct targeted commercial customers, and the remaining 8 pct targeted industrial customers. Average reported spending per customer varied by state, from $0 in Alaska to $128 in Massachusetts. High-spending states and low-spending states tend to be concentrated in particular regions. By U.S. census region, average utility spending ranged from $11 per customer in the South to $47 per customer in the Northeast. Spending also was higher in certain states with high electricity prices, such as Hawaii, or in certain states with climates that require more energy for heating and cooling, such as Illinois and Arizona.
Incremental savings as a result of energy efficiency spending for reporting year 2016 totaled 27.5 billion kWh or 0.7 pct of nationwide retail electricity sales. Projected lifecycle savings were much greater, at 354 billion kWh over the lifetime of the efficiency measures used, because some measures that affect heating, cooling, and water heating equipment can provide benefits for several years. Like spending, most savings occurred in the residential and commercial sectors.
Annual incremental savings also varied by state, from near 0 pct of electricity retail sales in Kansas and Alaska to 3 pct of retail sales in Massachusetts and Rhode Island. Average electricity savings by U.S. census region was the highest at 1.2 pct in the Northeast, and the lowest at less than 0.4 pct in the south. (Source: EIA, Today in Energy, June, 2018) Contact: US EIA, www.eia.gov
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