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An arrow graphic shows that Idaho has no renewable portfolio standard.

Carve-out: None
Tracking system: No formally adopted tracking system

Mid-market customers may be eligible for financing through the Idaho Governor's Office and the Idaho Energy Resources Authority.

Latest Updates

  • In November 2016, the Idaho Public Utilities Commission (PUC) approved the state's first utility-owned community solar project for Idaho Power.

Net Metering

Idaho does not have statewide net metering, but all three IOUs (Avista Utilities, Idaho Power Co., and Rocky Mountain Power) have implemented net metering programs approved by the Idaho PUC. Rocky Mountain Power and Idaho Power do not have aggregate net metering caps, whereas Avista Utilities places an aggregate cap at 0.1% of Avista's peak demand in 1966.

Utility Utility System size cap Rate Meter aggregation
Avista Utilities 100 kW Retail Not addressed
Idaho Power Co. 100 kW Retail Allowed1
Rocky Mountain Power 100 kW 85% of avoided-cost rate

(Retail rate for small commercial customers)
Not addressed

1As of 2013, the Idaho PUC requires Idaho Power to allow meter aggregation for net-metered customers with several meters on the same or contiguous property. All aggregated meters must be under the same name or financial responsibility.


Idaho does not have standardized interconnection policy.

Third Party Ownership

Third-party solar power purchase agreements (PPAs) are not allowed in Idaho.

Community Solar

Idaho currently does not have any statewide community solar policies or programs. Utilities and third-party developers may offer community solar programs. Idaho PUC approved the state's first utility owned community solar project in November 2016. Idaho Power is expected to develop a 500 kW community solar project.

State Incentive Programs

Program Administrator Incentive
Low-Interest Loan Program Idaho Governor's Office Offers 5-year loans for up to $100,000 at 4% interest for solar PV projects.
Low-interest financing Idaho Energy Resources Authority Solar PV project developers may request financing from the Idaho Energy Resources Authority, a state bonding authority created under the Environment, Energy, and Technology Resources Authority Act (2005).


The list below provides some resources for each type of policy or program. Please reference and contact relevant authorities and local utilities for the most up-to-date and accurate information on state and utility policies and incentive programs.

Net metering and interconnection

Community solar

Programs and incentives