South Dakota Solar Programs and Incentives: Complete 2025 Guide

The solar landscape in South Dakota is unique, characterized by a strong reliance on federal incentives and a few key state-level tax exemptions, rather than the robust state-specific rebate and net metering programs found in many other states [1]. While the state does not offer a statewide net metering policy or a state tax credit for residential solar installations, residents and businesses can still achieve significant savings through the federal Investment Tax Credit (ITC) and a valuable property tax exemption [2]. The recent introduction of the federal Solar for All program also promises to expand access to solar energy for low-income households across the state [3]. This comprehensive guide details all available solar incentives, programs, eligibility requirements, and the regulatory environment for going solar in South Dakota in 2025.

Federal Solar Incentives: The Foundation of Savings

For South Dakota residents and businesses, the most impactful financial incentive is the federal Residential Clean Energy Credit, formerly known as the Solar Investment Tax Credit (ITC). This credit is a non-refundable tax credit that directly reduces the federal income tax liability for a percentage of the solar system's cost.

Residential Clean Energy Credit (Federal ITC)

The Federal ITC is the cornerstone of solar savings nationwide, and it is fully available to South Dakota homeowners.

Eligibility Requirements:

• The solar electric system must be new or being used for the first time.
• The system must be installed on a primary or secondary residence in the United States.
• The homeowner must own the system (leased systems do not qualify).
• The credit can be claimed on the cost of the solar panels, installation, wiring, inverters, mounting equipment, and even energy storage devices (batteries) charged exclusively by the solar system [4].

Business Energy Investment Tax Credit (ITC)

Commercial, industrial, and utility-scale solar projects in South Dakota are also eligible for the federal Business Energy ITC, which mirrors the residential credit's structure. Furthermore, businesses can benefit from the Modified Accelerated Cost-Recovery System (MACRS), which allows for the accelerated depreciation of solar energy equipment, providing a significant reduction in the tax basis of the property [5].

South Dakota State-Specific Solar Tax Exemptions

Unlike many states that offer sales tax exemptions or state-level tax credits, South Dakota's primary state-level financial incentive is a robust property tax exemption for renewable energy systems.

Renewable Energy System Property Tax Exemption

South Dakota Codified Law (SDCL) 10-4-44 provides a significant property tax exemption for renewable energy systems, including solar [6]. This is particularly important because solar installations typically increase a home's value, which would normally lead to higher property taxes.

Key Details:

• Exemption Amount: The exemption covers the first $50,000 of the system's assessed value or 70% of the assessed value, whichever is greater [7].
• System Size Limit: The exemption applies to systems with a generating capacity of less than 5 megawatts (MW). This covers virtually all residential and most commercial installations.
• Mechanism: The exemption prevents the majority of the solar system's value from being included in the property's assessed value for tax purposes, leading to long-term savings.

For example, if a solar system adds $30,000 to a home's value, the entire $30,000 is exempt. If the system adds $80,000, the greater of $50,000 or 70% of $80,000 ($56,000) is exempt, meaning $56,000 is exempt from property tax assessment.

Sales and Use Tax

South Dakota does not offer a general statewide sales tax exemption for residential solar equipment. Therefore, the state's sales tax (currently 4.5%) and any applicable local sales taxes will apply to the purchase and installation of a residential solar system [8].

However, the state does offer a Renewable Energy Facility Sales and Use Tax Reimbursement program, which is primarily aimed at large-scale commercial and utility projects. This program allows for a reinvestment payment up to the total amount of sales and use taxes paid for certain new or expanded renewable energy systems [9].

Utility Company Solar Programs and Net Metering Policies

South Dakota is one of the few states that has not adopted a mandatory, statewide net metering policy for all utilities [10]. The state's Public Utilities Commission (PUC) has historically opposed mandatory net metering, arguing that it forces utilities to pay above-market rates for power they cannot schedule, which could ultimately raise rates for all customers, particularly low-income residents [11].

Compensation for Excess Generation

Instead of traditional net metering, compensation for excess solar generation is handled under the federal Public Utility Regulatory Policies Act of 1978 (PURPA) and is based on the utility's avoided cost of generation [12].

Key Differences from Net Metering:

• Net Metering: Credits excess power at the full retail rate (including generation, transmission, and distribution costs).
• Avoided Cost: Credits excess power at the utility's wholesale cost of generation, which is significantly lower than the retail rate.

This policy means that maximizing self-consumption of solar power is crucial for South Dakota solar owners, as selling excess power back to the grid is not as financially rewarding as it is in net metering states.

Utility-Specific Interconnection and Compensation

While a statewide net metering policy is absent, utilities are still obligated to interconnect with small power producers. The specific terms and compensation rates are set by each utility and filed with the PUC.

Black Hills Energy (BHE): BHE, a major utility in the state, has an established interconnection process for small solar facilities. Their interconnection application fee is typically $100.00 plus $2 per kilowatt (kW) of rated generation output, up to a maximum of $1,000.00 [13]. Customers are compensated for excess generation based on the utility's avoided cost.

Other Utilities: Customers of other electric cooperatives and municipal utilities should contact their specific provider to understand their interconnection rules, compensation rates, and any potential small-scale solar programs they may offer.

Low-Income Solar Programs: Solar for All

Access to solar energy for low-income households in South Dakota is set to expand significantly due to the federal Solar for All program, a component of the Environmental Protection Agency’s (EPA) Greenhouse Gas Reduction Fund [14].

Coalition for Green Capital (CGC) Grant

The Coalition for Green Capital (CGC) was selected by the EPA to receive a substantial award to establish Solar for All programs in North and South Dakota.

• Grant Amount: CGC's award for the Dakotas is estimated to be around $62.45 million [15].
• Projected Impact: This funding is estimated to serve approximately 4,834 low-income households and generate 28 MW of solar energy across the two states [15].
• Program Focus: The program aims to provide financial assistance, such as grants, low-interest loans, and technical assistance, to make solar energy accessible and affordable for disadvantaged communities, including tribal members [16].

While the program is in the early stages of implementation, South Dakota residents who meet low-income qualifications should monitor announcements from the CGC and local non-profits for application details, which are expected to roll out in 2025.

Community Solar Programs

Community solar allows multiple customers to subscribe to a portion of a larger, off-site solar array and receive credits on their electricity bills for the power generated. This is an excellent option for renters, those with shaded roofs, or those who cannot afford a full rooftop system.

While South Dakota does not have a statewide community solar mandate, some utilities and developers offer voluntary programs.

Sioux Valley Energy (SVE): Sioux Valley Energy, an electric cooperative, operates a community solar project near Colman, SD. Members can subscribe to panels in the array and receive bill credits for the energy produced, allowing them to support clean energy without installing panels on their own property [17].

Prospective solar owners should check with their local utility to see if a community solar option is available in their service territory.

Solar Rights and Regulations

The regulatory environment in South Dakota is generally supportive of solar, particularly concerning property rights, though it lacks specific solar access laws to override Homeowners Association (HOA) restrictions.

Solar Easement Law

South Dakota has a Solar and Wind Easement Law (SDCL 43-13-1.1) that allows property owners to negotiate and establish a solar easement with a neighboring property owner [18]. This easement legally protects the solar collector's access to sunlight. However, this is a voluntary agreement, not a mandate, and must be recorded with the register of deeds.

Homeowners Association (HOA) Restrictions

South Dakota is one of the few states that does not have a specific state law that preempts or limits the ability of HOAs to restrict solar installations [19]. This means that HOAs in South Dakota have significant power to regulate the placement, appearance, and even the installation of solar panels.

What this means for homeowners:

• Homeowners in HOA-governed communities must carefully review their Covenants, Conditions, and Restrictions (CC&Rs) before planning a solar installation.
• HOAs can typically require approval for the system's design and placement, and in some cases, may effectively prohibit solar if the restrictions are deemed reasonable and non-discriminatory.
• It is advisable to engage with the HOA early in the process and present a detailed plan that addresses aesthetic concerns.

Permitting and Interconnection

The permitting process for residential solar is handled at the local level (city or county) and varies depending on the jurisdiction. Generally, a building permit and an electrical permit are required.

Key Steps in the Process:

1. System Design: A certified installer designs the system to meet local codes.
2. Permit Application: The installer submits applications for building and electrical permits to the local authority.
3. Utility Interconnection Application: A separate application is submitted to the utility for interconnection approval. This includes a technical review to ensure the system is safe and compliant with grid standards.
4. Inspection: After installation, the local authority inspects the system.
5. Permission to Operate (PTO): Once all inspections are passed, the utility grants PTO, allowing the system to be turned on and connected to the grid.

For large-scale projects (100 MW or more), a permit from the South Dakota Public Utilities Commission is required [20].

Solar Renewable Energy Credits (SRECs)

South Dakota does not have a market for Solar Renewable Energy Credits (SRECs) [21].

SRECs are generated in states with a Renewable Portfolio Standard (RPS) that includes a solar carve-out, requiring utilities to source a specific percentage of their electricity from solar. South Dakota has a Renewable, Recycled and Conserved Energy Objective rather than a mandatory RPS, and it does not include a solar carve-out, which is why an SREC market has not developed [22].

Solar Loan Programs

While South Dakota does not offer a state-sponsored solar loan program, residents and businesses can access various financing options:

Contact Information for State Energy Office and Major Utilities

Knowing who to contact is essential for navigating the regulatory and incentive landscape.

State Energy Management Office

The South Dakota Energy Management Office, part of the Bureau of Administration, coordinates the state's energy purchases and efficient use of energy.

South Dakota Public Utilities Commission (PUC)

The PUC regulates electric utilities and handles interconnection disputes.

Major Electric Utilities

Tips for Maximizing Incentives

Given South Dakota's unique solar environment, a strategic approach is necessary to maximize the financial benefits of a solar installation.

1. Maximize Self-Consumption

Since compensation for excess power is based on the lower avoided cost rate, the most valuable solar energy is the power you use yourself.

• Time Appliances: Run high-energy appliances (washing machines, dishwashers, pool pumps) during peak solar production hours (midday).
• Install Battery Storage: A solar battery allows you to store excess midday power and use it in the evening, further increasing self-consumption and reducing reliance on the grid. The cost of the battery is also eligible for the 30% Federal ITC.

2. Leverage the Property Tax Exemption

Ensure your installer and local assessor are aware of the Renewable Energy System Property Tax Exemption (SDCL 10-4-44). The exemption is automatic for eligible systems, but confirming its application can prevent future tax issues. This exemption is a major long-term financial benefit in South Dakota.

3. Apply for Federal Funding

For rural residents and small businesses, the USDA REAP program is a critical source of funding that combines grants and loan guarantees. For low-income households, actively monitor the rollout of the Solar for All program in 2025. These federal programs can dramatically reduce the upfront cost of solar.

4. Understand Interconnection Rules

Before signing a contract, get a clear, written understanding from your utility about their specific interconnection process, fees, and the exact rate you will be paid for any excess generation. This clarity is vital in a state without mandatory net metering.

5. Check for Utility Rebates

While South Dakota does not have a statewide solar rebate, many utilities offer general Residential Energy Efficiency Rebates for things like insulation, efficient HVAC, and smart thermostats [26]. While these are not direct solar rebates, improving your home's overall energy efficiency reduces the size of the solar system you need, lowering your total cost. Check the DSIRE database for the latest utility-specific rebate programs from providers like Black Hills Energy, Otter Tail Power Company, and Southeastern Electric [27].

Conclusion

Going solar in South Dakota is a sound financial decision, primarily driven by the powerful 30% Federal ITC and the state’s generous Property Tax Exemption. While the lack of a statewide net metering policy requires a focus on maximizing self-consumption, the regulatory environment is stable, and the introduction of the Solar for All program promises to broaden access. By strategically combining these incentives and understanding the utility-specific rules, South Dakota residents and businesses can significantly reduce their energy costs and contribute to a cleaner energy future.

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References

[1] South Dakota Public Utilities Commission. Solar Energy FAQ. https://puc.sd.gov/Publications/solarfaq.aspx [2] EnergySage. South Dakota Solar Incentives, Tax Credits & Rebates 2025. https://www.energysage.com/local-data/solar-rebates-incentives/sd/ [3] Coalition for Green Capital (CGC). EPA Selects Coalition for Green Capital for $125M Award to Establish Solar for All Programs in North & South Dakota. https://cgc.org/epa-selects-coalition-for-green-capital-for-125m-award-to-establish-solar-for-all-programs-in-north-south-dakota/ [4] Internal Revenue Service (IRS). Residential Clean Energy Credit. https://www.irs.gov/forms-pubs/about-form-5695 [5] DSIRE. Modified Accelerated Cost-Recovery System (MACRS). https://programs.dsireusa.org/system/program/detail/101 [6] South Dakota Legislature. SDCL 10-4-44. https://sdlegislature.gov/Statutes/Codified_Laws/2014/10-4-44 [7] DSIRE. Renewable Energy System Exemption. https://programs.dsireusa.org/system/program/detail/4068 [8] South Dakota Department of Revenue. Sales & Use Tax. https://dor.sd.gov/businesses/taxes/sales-use-tax/ [9] DSIRE. Renewable Energy Facility Sales and Use Tax Reimbursement. https://programs.dsireusa.org/system/program/detail/5422 [10] South Dakota Public Utilities Commission. Compensation. https://puc.sd.gov/energy/wind/compensation.aspx [11] CFRA. Sunshine without net metering. https://www.cfra.org/publications/sunshine-without-net-metering [12] Federal Energy Regulatory Commission (FERC). Public Utility Regulatory Policies Act of 1978 (PURPA). https://www.ferc.gov/industries-data/electric/electric-power-markets/public-utility-regulatory-policies-act-1978-purpa [13] Black Hills Energy. South Dakota Solar Interconnection. https://www.blackhillsenergy.com/services/electric-services/solar-program/south-dakota-solar-interconnection [14] Environmental Protection Agency (EPA). Solar for All. https://www.epa.gov/greenhouse-gas-reduction-fund/solar-all [15] CGC. Solar for All. https://cgc.org/about-us/solar-for-all/ [16] Flandreau Santee Sioux Tribe (FSST). SOLAR FOR ALL PROJECT Overview. https://fsst-nsn.gov/hubfs/Solar%20For%20All%20Project%20Overview.pdf?hsLang=en [17] Sioux Valley Energy. SVE Solar Projects. https://www.siouxvalleyenergy.com/sve-solar-projects [18] South Dakota Legislature. SDCL 43-13-1.1. https://sdlegislature.gov/Statutes/Codified_Laws/2014/43-13-1.1 [19] EnergySage. Can I Install Home Solar Panels With An HOA?. https://www.energysage.com/solar/installing-home-solar-panels-with-a-hoa/ [20] South Dakota Public Utilities Commission. Solar Energy. https://puc.sd.gov/energy/Solar/default.aspx [21] EcoWatch. South Dakota Solar Incentives (Rebates, Tax Credits & More). https://www.ecowatch.com/solar/incentives/sd [22] DSIRE. Renewable, Recycled and Conserved Energy Objective. https://programs.dsireusa.org/system/program/detail/100 [23] USDA. Rural Energy for America Program Renewable Energy Systems & Energy Efficiency Improvement Guaranteed Loans. https://www.rd.usda.gov/programs-services/energy-programs/rural-energy-america-program-renewable-energy-systems-energy-efficiency-improvement-guaranteed-loans [24] DSIRE. Energy-Efficient Mortgages. https://programs.dsireusa.org/system/program/detail/102 [25] DSIRE. Southeastern Electric Cooperative - Electric Equipment Loan Program. https://programs.dsireusa.org/system/program/detail/100 [26] DSIRE. Residential Energy Efficiency Rebates (Offered by 12 Utilities). https://programs.dsireusa.org/system/program/detail/100 [27] DSIRE. Black Hills Energy - Residential Customer Rebate Program. https://programs.dsireusa.org/system/program/detail/100