Is California Electric Rule 21 Section Hh in force?

Yes. In force from Sep 8, 2017.

Which products does California Electric Rule 21 Section Hh affect?

California Electric Rule 21 Section Hh affects Residential energy storage systems, Inverters and power control, and Interconnection devices.

When does California Electric Rule 21 Section Hh take effect?

The effective date on file is September 8, 2017.

California

Electric Rule 21 Section Hh

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 Section Hh do? Requires inverters on interconnecting distributed resources to perform seven autonomous functions from Sep 8, 2017. Later phases added communication and advanced functions under Rule 21 Section Hh.

Facts

Kind: Tariff
Status: In force
Stage: In force
Signed or decided: September 8, 2017
Effective: September 8, 2017
Topics: Interconnection
Products: Residential energy storage systems Inverters and power control Interconnection devices
Source: California Public Utilities Commission (opens in a new tab)
Citation: Electric Rule 21 Section Hh (smart inverter requirements); CPUC D.14-12-035

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