Which products does California Electric Rule 21 affect?

California Electric Rule 21 affects Residential energy storage systems, Commercial and utility energy storage systems, and Interconnection devices.

California

Electric Rule 21

PartialRead in the state’s own source. It stays partial until the passage is on file word for word.

What does California Electric Rule 21 do? Requires customers installing generation or storage on their premises to meet the large utilities' interconnection, operating, and metering requirements. It covers all net metering and non-export facilities.

Facts

Kind: Tariff
Status: In force
Stage: In force
Topics: Interconnection
Products: Residential energy storage systems Commercial and utility energy storage systems Interconnection devices
Source: California Public Utilities Commission (opens in a new tab)
Citation: Electric Rule 21 (PG&E, SCE, and SDG&E tariffs)

The state’s codes

The codes that reach each product this law names, with the edition California is on. Each links to the record.

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use