Find the utility by ZIP code

Enter the ZIP code of the service address. We show the electric utilities serving that area and how each one takes interconnection applications.

Sources: U.S. Energy Information Administration, Form EIA-861 Annual Electric Power Industry Report, data year 2025 (Utility_Data, Service_Territory, Sales_to_Ultimate_Customers, Delivery_Companies, Net_Metering); U.S. Census Bureau, 2020 ZCTA to County Relationship File (tab20_zcta520_county20_natl.txt); share = land-area share of the ZCTA in each county. ZCTAs approximate USPS ZIP codes. Several utilities can serve one county; the exact utility is on the electric bill.