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Energy Trust helps make solar energy affordable and easy to install in your home or business.
Cash Incentives*
If you're an Oregon customer of Pacific Power, Portland General Electric, NW Natural or Cascade Natural Gas our qualified contractors can help you install a solar water heating system on your home or business. We offer the following incentives:
| PGE/Pacific Power using electric water heating | NW Natural/Cascade using gas water heating | Maximum incentive limit | |
Residential hot water |
$0.40 per first-year kWh savings (average incentive is $800) |
$0.30 per first-year kWh savings (average incentive is $600) |
Up to $1,500 |
Residential Pools |
$0.10 per first-year kWh savings |
$0.07 per first-year kWh savings |
Up to $1,000 |
Commercial hot water |
$0.40 per first-year kWh savings |
$6.00 per first-year therm savings |
Up to 35% of project cost |
Commercial Pools |
$0.10 per first-year kWh savings |
$1.50 per first-year therm savings |
Up to 35% of project cost |
In addition to Energy Trust incentives, Oregon state energy tax credits and federal tax incentives are available to help cover much of the cost of a solar water heating system.
State and Federal Income Tax Credits available:
Residential
- A state residential solar domestic water heating tax credit through the Oregon Department of Energy of $0.60 per rated kWh savings for the first year, up to $1,500.
- A state residential solar pool heating tax credit through the Oregon Department of Energy of $0.15 per rated kWh savings for the first year, up to $1,500.
- A federal income tax credit of 30% of net installed cost, up to $2,000. Note: solar pool heating systems are not eligible for the federal investment tax credit.
Commercial
- A state business energy tax credit through the Oregon Department of Energy of up to 50% of system cost, applied over 5 years. Solar domestic hot water and solar pool heating systems are eligible.
- A federal investment tax credit of 30% of installed cost, and accelerated depreciation. Note: solar pool heating systems are not eligible for the federal investment tax credit.
*incentives subject to change.
Contact Us
For more information, questions or comments, contact the solar team.



