Imperial Irrigation District






The Imperial Irrigation District (IID) was established in 1911 and entered the power business in 1936. Proudly serving Imperial and Coachella valleys and a portion of San Diego County, IID has a service area of 6,898 square miles that encompasses an expanding 1,780-mile transmission network and 5,004-mile distribution lines. One of eight balancing authorities in the state, IID controls over 1,100 MW of energy derived from a diverse resource portfolio that includes native generation, SCPPA partnerships, and long- and short-term power purchases. IID, in the enviable position of having access to locally-generated geothermal, solar, wind and biomass resources, is on track to meet the 33 percent Renewables Portfolio Standard by 2020. A valuable public resource, IID is regarded as an affordable and reliable service provider serving 149,431 customers.



Customers - Retail149,431
Power Generated and Purchased (in MWh)
Self-Generated1,555,020
Purchased2,139,911
Total3,694,931
Total Revenues (000s)$457,621
Operating Costs (000s)$453,526
Audited Fiscal Year End December 31, 2016 Information