Typical customer: Not worth it

West River Electric Association and solar

West River Electric Association is an electric cooperative serving about 18,975 homes in South Dakota. Here's what its rates and export rules mean for solar: for a typical customer, solar is not worth it.

Average price (2026 est.)
16.2¢14% above South Dakota average
Typical bill
$145896 kWh a month
Exports credited
~19%No statewide net metering
Typical payback
19.5 yrs3.8 kW, cash

Export rules for West River Electric Association customers

No statewide net metering (South Dakota rule).

South Dakota has no net metering law. Utilities generally let you use your own solar and buy the excess at their avoided cost (a few cents per kWh).

South Dakota net metering details

Solar for a typical West River Electric Association home

System3.8 kW (50% of 896 kWh/month)
Cost$13,000
First-year savings$682
Payback19.5 years
25-year net$4,323

Uses the utility's average price.

Solar adoption

Homes with solar (2025)
206
Share of customers
1.1%
Residential solar capacity
1 MW
Residential customers
18,975

EIA-861, 2025.

Questions about West River Electric Association and solar

Does West River Electric Association have net metering?

West River Electric Association follows South Dakota's rules: South Dakota has no net metering law. Utilities generally let you use your own solar and buy the excess at their avoided cost (a few cents per kWh).

How much does electricity cost with West River Electric Association?

Residential customers paid an average of 15.2¢ per kWh in 2025 (EIA), about 16.2¢ adjusted to 2026. The typical home uses 896 kWh a month, a bill of about $145.

Is solar worth it with West River Electric Association?

For a typical customer, solar is not worth it: a 3.8 kW system costing about $13,000 pays back in about 19.5 years, with $4,323 net over 25 years.

How many West River Electric Association customers have solar?

About 206 homes had net-metered solar at the end of 2025, roughly 1.1% of residential customers (EIA-861).

Legal name: West River Electric Assn Inc (EIA ID 20401). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.