Utah Net Metering Explained: How Solar Credits Work for Homeowners
If you're thinking about going solar in Utah, you've probably heard the term net metering. It sounds technical, but the idea is simple: when your solar panels make more electricity than your home uses, that extra power flows back to the grid — and your utility company gives you credit for it.
Understanding how net metering works in Utah can help you set realistic expectations, size your solar system correctly, and make a smarter buying decision. Here's what every Utah homeowner needs to know.
What Is Net Metering and Why Does It Matter?
Net metering is a billing arrangement between you and your utility company. Your home has a two-way meter that tracks:
- Electricity you pull from the grid (when your panels aren't producing enough)
- Electricity you push to the grid (when your panels produce more than you need)
At the end of each billing cycle, the utility calculates the net difference between what you consumed and what you exported. If you sent more than you used, you earn a credit on your bill. That credit rolls forward to offset future bills.
For Utah homeowners, this mechanism is a major piece of the solar savings puzzle — especially in spring and summer when long sunny days can produce significant surpluses.
How Utah's Net Metering Rules Work
Utah's net metering program is governed by rules set by the Utah Public Service Commission (PSC). Here are the key points:
Rocky Mountain Power (PacifiCorp) is the dominant utility in Utah, and most residential solar customers go through them. The program they offer is called Net Metering for systems up to 25 kilowatts (kW) — which covers the vast majority of home installations.
Credit rate: Utah does not offer full retail-rate net metering. Excess energy sent to the grid is credited at the avoided-cost rate (sometimes called the wholesale rate), which is lower than the retail rate you pay when buying electricity. As of recent tariff filings, this rate has been notably lower than the retail rate — confirm the exact current figure with your installer or Rocky Mountain Power before signing a contract.
Annual true-up: Credits accumulate monthly and are settled annually. Any leftover credits at the end of the year may be paid out at a low avoided-cost rate or forfeited, depending on your tariff terms — another reason to size your system carefully.
Utah Energy Advocates and solar installers can pull the most current tariff sheets, since these rates are reviewed periodically by the PSC.
The Transition Away from Full Retail Net Metering
Utah has been gradually moving away from full retail-rate net metering. This matters because older solar customers locked in better credit rates than new customers receive today.
The PSC approved changes after finding that full retail credits shifted certain grid costs onto non-solar customers. The result is a tiered or phased approach:
- Customers who installed solar before certain cutoff dates may be grandfathered into older, more favorable rates for a set number of years.
- New customers receive credits at the current avoided-cost rate.
If you're shopping for solar right now, ask your installer specifically what credit rate applies to new installations under today's tariffs. The difference between retail and avoided-cost rates significantly affects your payback period.
How to Maximize Your Solar Savings in Utah
Even with below-retail credits, Utah solar can still deliver strong long-term savings. Here's how to make the most of the current rules:
1. Size your system to your consumption, not beyond it. Because surplus energy earns a lower credit rate, producing far more than you use results in diminishing returns. A good installer will analyze 12 months of utility bills before recommending a system size.
2. Shift energy use to daytime hours. Run dishwashers, washing machines, and EV chargers during peak solar production hours (roughly 10 a.m. – 3 p.m.) to consume your own solar power directly at full value instead of exporting it at the lower avoided-cost rate.
3. Consider battery storage. A home battery lets you store midday surplus and use it in the evening, reducing how much you export to the grid at low credit rates. Battery costs have dropped significantly, and the federal Investment Tax Credit (ITC) — currently 30% — applies to battery storage paired with solar.
4. Claim available incentives. Beyond the federal ITC, Utah offers a state solar tax credit of 25% of the system cost, up to $1,600 (verify current caps with a tax professional, as limits can change). These incentives shorten payback periods regardless of the credit rate.
Frequently Asked Questions About Utah Net Metering
H3: Does Rocky Mountain Power offer net metering to all residential customers?
Yes, Rocky Mountain Power offers net metering to residential customers with solar systems up to 25 kW. If you're served by a municipal utility (like Provo City Power or St. George City), rules vary — contact your local utility for their specific program.
H3: What happens to my unused solar credits at the end of the year?
Under current Rocky Mountain Power tariffs, any net excess generation at your annual true-up date is paid out or applied at the avoided-cost rate, which is lower than retail. You generally do not lose credits entirely, but the payout rate is modest. Confirm exact terms in your interconnection agreement.
H3: Can I sell excess power back to the grid for cash?
Not directly in a traditional sense. The credits appear on your utility bill as a dollar offset. If you accumulate more credits than your annual bill, Rocky Mountain Power may issue a small payment at the avoided-cost rate — confirm with them before assuming a specific outcome.
H3: Does going solar affect my property taxes in Utah?
Utah has a solar property tax exemption, meaning the added value of a solar system is generally not included in your home's assessed value for property tax purposes. Always verify with your county assessor.
H3: How long does it take to get approved for net metering in Utah?
Interconnection timelines vary. Most straightforward residential applications through Rocky Mountain Power are processed within a few weeks to a couple of months. Your installer typically handles the paperwork. Delays can occur during high-demand periods.
Is Solar Still Worth It in Utah Under Current Net Metering Rules?
Despite the shift away from full retail-rate net metering, Utah remains one of the stronger solar states in the Mountain West. High sun exposure, the 30% federal tax credit, the state tax credit, and falling equipment costs all work in your favor.
The key is going in with accurate expectations — and getting quotes from installers who are transparent about credit rates, payback periods, and system sizing based on today's tariffs.
Not sure where to start or whether solar makes financial sense for your home? Talk to our 24/7 AI to see if you have a strong case — free, no obligation. → Start free intake