South Dakota Net Metering Explained: How Homeowners Get Credit for Solar Energy

If you're thinking about adding solar panels to your South Dakota home, 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, the extra power flows back to the grid — and your utility gives you credit for it. Those credits then offset the electricity you pull from the grid at night or on cloudy days.

Understanding how net metering works in South Dakota can help you decide whether solar is a smart financial move for your household. Here's a plain-English breakdown of everything you need to know.

What Is Net Metering and How Does It Work?

Net metering is a billing arrangement between you and your electric utility. A special bidirectional meter tracks two things:

1. How much electricity your solar panels send to the grid
2. How much electricity your home draws from the grid

At the end of your billing period, the utility subtracts what you sent from what you used. You only pay for the net amount — hence the name. If you sent more than you used, you carry a credit forward to the next month.

Think of the grid like a bank. You deposit energy when the sun is shining and withdraw it when you need it. Net metering makes that exchange financially worthwhile.

South Dakota Net Metering Rules: What the State Requires

South Dakota does not have a statewide net metering mandate written into statute the same way some other states do. Instead, the South Dakota Public Utilities Commission (PUC) oversees interconnection rules, and individual investor-owned utilities — as well as rural electric cooperatives — set their own net metering or "excess generation" policies.

Key points for South Dakota homeowners:

• System size limits: Most utilities cap net metering eligibility at systems sized to meet your annual load (typically no larger than 100% of your average 12-month usage). Some co-ops set lower caps — confirm with your specific provider.
• Credit rates: South Dakota utilities are not required to pay retail rate for excess energy. Many pay the avoided cost rate (wholesale rate), which is lower than the retail rate you pay for power. This is an important distinction from states with full retail net metering.
• Credit rollover: Policies vary by utility. Some allow credits to roll month-to-month; others reset annually. Ask your utility for their exact tariff language.
• Eligible technologies: Standard grid-tied solar PV systems qualify. Battery storage combined with solar may be treated differently depending on the utility.

Because policies differ between utilities like Black Hills Energy, Xcel Energy (formerly Northern States Power), and local rural electric cooperatives, always request the specific net metering tariff or interconnection agreement from your provider before signing a solar contract.

How Credits Are Calculated

Here's a simplified example. Suppose your home uses 900 kWh in July and your solar panels produce 1,100 kWh:

• You export 200 kWh to the grid
• Your utility credits those 200 kWh at their stated rate (retail or avoided cost — varies by utility)
• That credit appears on your next bill

If your utility pays avoided cost (say, around $0.04–$0.06/kWh) rather than the retail rate (often $0.10–$0.13/kWh in South Dakota), the financial value of exported power is lower. This is why right-sizing your system — matching production to your actual consumption — matters more in states without full retail net metering.

South Dakota Incentives That Work Alongside Net Metering

Net metering alone isn't the only financial piece of the solar puzzle. South Dakota homeowners may also benefit from:

• Federal Solar Investment Tax Credit (ITC): As of 2025, this is a 30% tax credit on the total cost of your solar installation, claimed on your federal return. This is not a state program — verify current IRS rules with your tax professional.
• South Dakota property tax exemption: South Dakota exempts the added value of a solar energy system from your property tax assessment. Your home's taxable value won't increase just because you added panels.
• No state income tax: South Dakota has no state income tax, so there's no state-level solar tax credit — but it also means you don't owe state tax on any solar-related income benefits.
• Utility rebates: Some utilities offer modest rebates. Check with your provider or visit the DSIRE database for current offers.

Combining net metering credits with the federal ITC and property tax exemption can meaningfully shorten your payback period.

Steps to Get Net Metering in South Dakota

Getting set up for net metering isn't automatic — you need to follow a process:

1. Choose a licensed solar installer familiar with your utility's interconnection requirements.
2. Submit an interconnection application to your utility before installation begins.
3. Pass utility inspection — the utility may send a technician to approve the installation.
4. Get your bidirectional meter installed — the utility typically handles this.
5. Start monitoring your credits on monthly statements.

Timelines vary, but the process commonly takes 4–12 weeks from application to permission to operate.

FAQ: South Dakota Net Metering

Does South Dakota have a net metering law?

South Dakota does not have a single statewide net metering statute requiring all utilities to offer retail-rate credits. Policies are set at the utility level and overseen by the SD PUC. Always check directly with your electric provider.

What happens to unused credits at year end?

This depends entirely on your utility's tariff. Some utilities let credits roll indefinitely; others reset them annually at avoided cost. Request the written tariff from your provider before going solar.

Can I get net metering through a rural electric cooperative in South Dakota?

Many co-ops offer some form of excess generation credit, but terms vary widely. Contact your co-op directly, as they operate under different regulatory frameworks than investor-owned utilities.

Is net metering worth it if my utility only pays avoided cost?

It can still be worthwhile, especially when combined with the 30% federal tax credit and the property tax exemption. The key is right-sizing your system so you consume most of what you produce on-site rather than exporting at a lower rate.

Will net metering rules change in South Dakota?

Solar policy evolves. Utility tariffs can be updated, and the PUC periodically reviews interconnection rules. Locking in a contract now may protect you under current terms — but confirm this with your installer and utility.

Ready to find out if solar makes financial sense for your South Dakota home? Talk to our 24/7 AI to see if you have a strong case — free, no obligation. → Start free intake