Avista maintains a diversified portfolio of generation. The company must comply with renewable portfolio standards detailed in Washington’s Energy Independence Act and must use eligible renewable resources, renewable energy credits (RECs) or a combination of both to meet the following annual targets: 3 percent of energy used to meet customer demand by Jan. 1, 2012, 9 percent by Jan. 1, 2016, and 15 percent by Jan. 1, 2020.
To meet the 2012 targets, Avista has added qualifying renewable generation capacity with upgrades at its hydroelectric projects and purchased RECs.
Thermal generation is approximately 44 percent of Avista’s total generation capability. Each facility has a specific purpose in Avista’s diversified generation portfolio—whether it is for economic or load demand efficiencies.
Avista owns 7,650 miles of natural gas distribution lines. The company does not own any interstate gas transportation pipelines, only contractual rights, and receives gas at over 60 points along interstate pipelines (over 40 points in the North Division and over 20 points in the South Division).
The Environmental Protection Agency (EPA) and Avista entered into a Consent Agreement on Feb. 17, 2010 as a result of an accidental oil discharge into water at Avista’s Noxon Rapids Hydroelectric Dam in Montana in 2009. The terms of the agreement were as follows:
Avista purchased and delivered the spill trailer and all spill materials to the Clark Fork HED on Sept. 6, 2010. The total cost was $29,386. Avista submitted the Completion Report to EPA on Sept. 28, 2010 to fulfill the terms of the Consent Agreement.