Utility guide
CORE Electric Cooperative & home solar
CORE Electric Cooperative is a member-owned electric cooperative serving Parker, portions of Douglas County, and surrounding areas.
Service area
Parker, portions of Elizabeth, Castle Rock outskirts, and surrounding rural areas.
Residential rate structure
CORE's residential rate structures differ from Xcel. Time-of-use options may be available.
Net metering
CORE has its own net-metering program with rules distinct from Xcel. Verify current program terms before installing.
Interconnection
Interconnection is coordinated with CORE's engineering team; process differs from investor-owned utilities.
Talk through solar with a CORE Electric Cooperative customer's context
Last reviewed July 2026. This page provides general educational information and is not a proposal, quote, or offer of service.