Utah Solar Programs and Incentives: Complete 2025 Guide

I. Introduction

Utah, often celebrated for its "Greatest Snow on Earth," is also a state blessed with abundant sunshine, making it an ideal location for solar energy adoption. As the cost of solar technology continues to fall, more Utah homeowners are looking to harness this natural resource to reduce their utility bills and contribute to a cleaner energy future. However, navigating the landscape of solar incentives, policies, and programs can be complex, especially as state-level support has undergone significant changes.

This comprehensive guide is designed to clarify the current environment for 2025, providing a detailed look at all available solar incentives, utility policies, and homeowner rights in Utah. While the state’s primary residential tax credit has expired, the financial case for solar remains strong, anchored by robust federal support and significant utility savings. For Utah homeowners considering solar in 2025, the three most critical factors are the Federal Residential Clean Energy Credit, the State Sales Tax Exemption, and the specifics of Rocky Mountain Power’s Net Billing Program (Schedule 137). Understanding these elements is essential for maximizing your investment and ensuring a smooth transition to solar power.

II. The Cornerstone Incentive: Federal Residential Clean Energy Credit (ITC)

The single most impactful financial incentive for Utah homeowners installing solar in 2025 is the Federal Residential Clean Energy Credit, commonly known as the Solar Investment Tax Credit (ITC) [1]. This non-refundable federal tax credit allows homeowners to deduct a significant percentage of the cost of their solar energy system from their federal income taxes.

Current Rate and Extension

The current rate for the Federal ITC is 30% of the total system cost. This generous rate was set by the Inflation Reduction Act (IRA) of 2022 and is scheduled to remain at 30% for systems installed and placed in service through the end of 2032. The credit then steps down to 26% in 2033 and 22% in 2034 before expiring in 2035 [1].

Eligibility and Covered Costs

The ITC is available for solar photovoltaic (PV) systems installed on a primary or secondary residence in the United States. The total cost used to calculate the credit includes not only the solar panels and inverters but also installation labor, mounting equipment, wiring, and even the cost of a new roof if it is necessary to support the solar system. Crucially, the credit also applies to qualified battery storage technology installed in conjunction with the solar system [1].

For a typical Utah solar installation costing $30,000, the 30% ITC translates to a $9,000 reduction in the homeowner's federal tax liability. This substantial saving is the primary driver of solar adoption in the state, especially following the expiration of the state-level incentive. To claim the credit, homeowners must file IRS Form 5695 with their federal tax return for the year the system is placed in service.

III. State-Level Financial Incentives: A Changing Landscape

Utah’s state-level incentives have undergone a dramatic transformation, shifting the focus from direct tax credits to sales tax relief. Homeowners must be aware of these changes to accurately calculate their return on investment.

A. The Expired State Tax Credit: Renewable Energy Systems Tax Credit (RESTC)

The Utah Residential Renewable Energy Systems Tax Credit (RESTC) was, for many years, a key component of the state’s solar incentive structure. It offered a credit against state income tax for a percentage of the system’s cost, with a maximum cap that varied over time.

The 2025 Status: Due to legislative action, most notably HB 264 passed in the 2025 session, the RESTC is no longer available for new residential solar PV systems installed and placed in service after December 31, 2023 [2]. This is a critical distinction: any system installed in 2025 will not qualify for the state tax credit. However, individuals who qualified for the credit in previous years may still carry forward any unused credit amounts through the 2027 tax year [3].

B. Sales Tax Exemption

One of the most valuable remaining state incentives is the Sales Tax Exemption for solar energy systems. Utah law exempts the purchase and installation of residential solar energy equipment from the state's sales tax [4].

With the state sales tax rate hovering around 6.1% (depending on the locality), this exemption provides immediate, upfront savings on the entire cost of the system. For a $30,000 system, this exemption saves the homeowner approximately $1,830, which is a direct reduction in the purchase price. This exemption is a significant factor in maintaining the financial viability of solar in Utah.

C. Commercial and Business Tax Credit

While the residential credit has expired, the state continues to offer a tax credit for commercial and business entities that install renewable energy systems. Businesses can claim a tax credit for up to 10% of the upfront cost, capped at $50,000 [5]. This incentive encourages commercial property owners to invest in solar, further expanding the state's clean energy capacity.

IV. Utility Compensation: Rocky Mountain Power’s Net Billing Program (Schedule 137)

The way a utility compensates a solar customer for excess energy is often the second most important financial factor after the tax credits. In Utah, the primary utility, Rocky Mountain Power (RMP), has transitioned away from traditional net metering to a less favorable, but still beneficial, Net Billing Program [6].

The Transition to Net Billing

Historically, RMP customers benefited from Schedule 135 (Grandfathered Net Metering), which credited excess solar energy at the full retail rate. This program is now closed to new applicants, as is the subsequent Schedule 136 (Transition Program). All new residential solar customers connecting to RMP’s grid must enroll under Schedule 137 – Net Billing Program [6].

How Net Billing (Schedule 137) Works

Under Net Billing, the utility treats the energy you consume from the grid and the energy you export to the grid as two separate transactions:

1. Consumption: You are billed for all electricity consumed from the grid at the full retail rate (which averages around 10.2¢ per kWh for residential customers) [7].
2. Export: Any excess electricity your solar system generates and exports back to the grid is credited to your account at a lower, non-retail Export Credit Rate.

This structure incentivizes homeowners to maximize self-consumption—using the solar energy as it is produced—rather than exporting it. This often makes battery storage a more attractive investment under Net Billing than it was under traditional Net Metering.

2025 Export Credit Rates

The Export Credit Rate under Schedule 137 is updated annually on March 1st. The rates are seasonal, reflecting the utility’s cost of power during different times of the year [7].

Source: Rocky Mountain Power Schedule 137 Tariff, effective March 1, 2025 [7]

These rates are significantly lower than the average retail rate of 10.2¢ per kWh, underscoring the importance of designing a solar system that closely matches the home's energy consumption profile.

Interconnection and Application Process

RMP requires all new customer-generators to follow a structured, five-step interconnection process, typically managed through their online PowerClerk portal [6]:

1. Application: Submit an online application with the proposed system design and a picture of the meter.
2. Review and Authorization: Wait for RMP to review and authorize the interconnection.
3. Installation and Permitting: Obtain local permits and install the system.
4. Inspection and Notification: Have the system inspected by the local authority and notify RMP.
5. Meter Installation and Turn-On: RMP installs the necessary meter (typically within 7-10 days) and grants permission to operate (PTO).

A key technical requirement for all new inverter-based systems is the use of UL 1741 SB certified smart inverters that meet the IEEE 1547-2018 standard [6].

V. Solar Rights, Regulations, and Permitting

Beyond financial incentives, Utah has established important legal protections for solar owners, particularly concerning Homeowners Associations (HOAs) and new regulations for small-scale systems.

A. Solar Access Law and HOA Restrictions

Utah’s Solar Access Law is designed to protect a homeowner’s right to install solar energy systems. The law significantly limits the authority of HOAs and other common interest communities to restrict solar installations [8].

Key Provisions of the Law:

• No Outright Ban: HOAs are prohibited from completely banning the installation of solar energy systems.
• Reasonable Restrictions: Any restrictions imposed by an HOA must be reasonable and cannot significantly impair the system's performance or increase its cost. Specifically, a restriction is generally considered unreasonable if it reduces the system's efficiency by more than 10% or increases the cost by more than $1,000 [8].
• Aesthetic Guidelines: HOAs may enforce reasonable aesthetic guidelines regarding the placement and appearance of the system, provided they adhere to the efficiency and cost limitations.

B. Permitting and Portable Solar (HB 340)

While standard rooftop solar installations still require local municipal permits and RMP interconnection approval, the 2025 legislative session introduced a new category for small, portable solar devices.

HB 340 (2025) – Solar Power Amendments: This landmark bill created a regulatory exemption for small portable solar generation devices, defined as systems up to 1.2 kWac (1,200 watts alternating current) [9]. These small systems, often used for balcony or patio power, can connect directly to a 120V outlet without requiring a utility interconnection application, utility fees, or complex permitting. This legislation streamlines the process for micro-scale solar adoption, making Utah a leader in this niche.

VI. Other Programs and Market Realities

Utah’s solar landscape includes several other programs and market conditions that impact a homeowner’s decision.

A. Low-Income and Affordability Programs

Efforts to make solar accessible to all Utahns have faced recent setbacks.

• "Solar for All" Grant Status: In a significant development for 2025, the $62.45 million federal Solar for All grant, awarded to Utah through the Greenhouse Gas Reduction Fund, was officially withdrawn by the U.S. Environmental Protection Agency (EPA) on August 7, 2025 [10]. This means the state-specific program aimed at low-income, disadvantaged, and tribal communities is currently not available to new applicants.
• URC HELP Program: The Utah Renewable Communities (URC) Home Energy Assistance Target (HEAT) Low-Income Program (HELP) provides a small, but consistent, bill credit of $18.00 per month for low-income customers enrolled in the HEAT program [11]. This is a direct monthly saving that can help offset energy costs.

B. Community Solar Options

For renters, homeowners with shaded roofs, or those who simply prefer not to install panels on their property, community solar offers an alternative.

• RMP Subscriber Solar: Rocky Mountain Power offers a Subscriber Solar Program that allows customers to purchase a share of the output from a large, utility-scale solar facility [12]. This enables participation in solar energy without the need for a rooftop installation.
• Local Initiatives: Various local, community-led bulk-purchase programs, such as SCPW Solar in Summit and Wasatch Counties, periodically emerge to offer discounted pricing through collective buying power [13].

C. SRECs and Property Tax Status

• Solar Renewable Energy Credits (SRECs): Utah does not have a viable SREC market [14]. SRECs are generated in states with a mandatory Renewable Portfolio Standard (RPS) that includes a "solar carve-out." Since Utah’s RPS is voluntary, there is no regulatory demand for SRECs, meaning homeowners cannot generate additional income by selling these credits.
• Property Tax Exemption: Utah does not offer a specific statewide residential property tax exemption for solar energy systems [15]. While the system may technically increase the assessed value of the home, the increase is often minimal compared to the overall cost, and the energy savings typically outweigh any minor property tax adjustment.

VII. Financing and Maximizing Your Investment

With the state tax credit gone, smart financing and system design are more crucial than ever to ensure a strong return on investment.

Financing Options

Utah residents have access to a variety of financing options from private lenders, including:

• Secured Solar Loans: These are often home equity loans or HELOCs, which use the home as collateral and typically offer the lowest interest rates.
• Unsecured Solar Loans: These are personal loans that do not require collateral, making them faster to process but often carrying higher interest rates.
• Power Purchase Agreements (PPAs) and Leases: These third-party ownership models allow homeowners to install solar with no upfront cost, paying a fixed monthly rate for the electricity produced or a fixed lease payment. While they offer immediate savings, the homeowner does not own the system and cannot claim the Federal ITC.

Tips for Maximizing Incentives

1. Maximize Self-Consumption: Under RMP’s Net Billing, the most valuable kilowatt-hour is the one you use yourself, as it offsets a full retail-rate purchase. Consider shifting high-energy use activities (like running the dishwasher or charging an electric vehicle) to the middle of the day when the sun is shining.
2. Consider Battery Storage: Battery storage allows you to store excess solar energy generated during the day and use it at night, further maximizing self-consumption and reducing reliance on the grid. The cost of the battery is also eligible for the 30% Federal ITC.
3. Prioritize Energy Efficiency: Before installing solar, invest in energy efficiency upgrades (e.g., insulation, LED lighting, high-efficiency appliances). A more efficient home requires a smaller, less expensive solar system to meet its needs.
4. Act Promptly for the ITC: While the Federal ITC is extended through 2032, ensure your system is installed and operational by the end of the tax year to claim the credit for that year.

VIII. Key Contact Information

For further inquiries regarding state policy, utility programs, or consumer protection, the following organizations are key resources:

IX. Conclusion

The solar landscape in Utah for 2025 is defined by a clear shift: the state is moving away from direct residential tax incentives, but the overall financial case for solar remains compelling. The expiration of the state tax credit is more than offset by the enduring 30% Federal Residential Clean Energy Credit and the valuable State Sales Tax Exemption. While Rocky Mountain Power’s Net Billing (Schedule 137) requires a strategic approach focused on self-consumption, the combination of these incentives, coupled with strong solar access laws and falling equipment costs, ensures that solar power remains a smart, long-term investment for Utah homeowners. The time to act is now to lock in the current 30% federal credit and begin realizing the substantial savings that come with generating your own clean energy.

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References

[1] Federal Residential Clean Energy Credit (ITC). Internal Revenue Service (IRS). https://www.irs.gov/credits-deductions/residential-clean-energy-credit [2] Renewable Energy Systems Tax Credit (RESTC) Status. Utah Office of Energy Development. https://energy.utah.gov/homepage/tax-credits/renewable-energy-systems-tax-credit/ [3] Renewable Energy Systems - Utah State Tax Commission. Utah State Tax Commission. https://incometax.utah.gov/credits/renewable-energy-systems [4] Utah Sales Tax Exemption for Solar. This Old House. https://www.thisoldhouse.com/solar-alternative-energy/solar-incentives-utah [5] Solar Incentives for Utah Businesses. Utah Clean Energy Hub. https://hub.utahcleanenergy.org/solar-power/solar-incentives-for-utah-businesses/ [6] Customer Generation. Rocky Mountain Power. https://www.rockymountainpower.net/savings-energy-choices/customer-generation.html [7] Utah Schedule 137 – Net Billing Service (Tariff). Rocky Mountain Power. https://www.rockymountainpower.net/content/dam/pcorp/documents/en/rockymountainpower/rates-regulation/utah/rates/137_Net_Billing_Service.pdf [8] Utah Solar Access Law & HOAs. Utah Clean Energy Hub. https://hub.utahcleanenergy.org/solar-power/for-policy-makers/solar-access-law/ [9] H.B. 340 Solar Power Amendments. Utah Legislature. https://le.utah.gov/~2025/bills/static/HB0340.html [10] Trump admin pulls nearly $62M in solar grants from Utah. The Salt Lake Tribune. https://www.sltrib.com/news/environment/2025/08/25/trump-admin-pulls-62m-solar-grants/ [11] Low-Income Resources. Utah Renewable Communities. https://www.utahrenewablecommunities.org/lowincome [12] Utah Subscriber Solar Program. Rocky Mountain Power. https://www.rockymountainpower.net/savings-energy-choices/blue-sky-renewable-energy/subscriber-solar.html [13] SCPW Solar - Utah Energy Hub. Utah Clean Energy Hub. https://hub.utahcleanenergy.org/programs/scpw-community-solar/ [14] Utah - SREC Markets. SRECTrade. https://www.srectrade.com/markets/rps/srec/utah [15] Sales and Property Tax Exemptions for Solar Panels. Palmetto Solar. https://palmetto.com/policy/solar-sales-and-property-tax-exemption-guide [16] Home - Office of Energy Development. Utah.gov. https://energy.utah.gov/ [17] Tariff | Public Service Comission. Utah.gov. https://psc.utah.gov/category/tariff/