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“Despite the economic downturn, utility green power sales continued to expand nationally last year,” said NREL senior energy analyst Lori Bird.
Using information provided by utilities, NREL developed “Top 10” rankings of utility programs for 2008 in the following categories: total sales of renewable energy to program participants, total number of customer participants, the percentage of customer participation, green power sales as a percentage of total utility retail electricity sales, and the lowest price premium charged for a green power program using new renewable resources.
Ranked by renewable energy sales (kWh/year), the green power program of Austin Energy (Texas) is first in the nation. Rounding out the top five are Portland General Electric (Ore.), PacifiCorp (Oregon and five other states), Xcel Energy (Minnesota and seven other states), and the Sacramento Municipal Utility District (Calif.).
Ranked by the percentage of customer participation, the top utilities are City of Palo Alto Utilities (Calif.), Lenox Municipal Utilities (Iowa), Portland General Electric, Madison Gas and Electric Company (Wis.), and Silicon Valley Power (Calif.).
NREL analysts attribute the success of many programs to persistent marketing and creative marketing strategies, including some utility partnerships with independent green power marketers. In addition, the rate premium that customers pay for green power continues to drop.
For more information, visit www.nrel.gov.
Publication date: 05/04/2009