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 6,611 square miles that encompasses an expanding 1,803-mile transmission network and 5,062-miles of 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 and hydro, 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 158,258 customers.



Customers - Retail158,258
Power Generated and Purchased (in MWh)
Self-Generated1,204,555
Purchased2,723,900
Total3,928,455
Total Revenues (000s)$464,948
Operating Costs (000s)$442,515
Fiscal Year-End December 31, 2020 Information