Typical customer: Close call

Southwest Mississippi E P A and solar

Southwest Mississippi E P A is an electric cooperative serving about 23,095 homes in Mississippi. Here's what its rates and export rules mean for solar: for a typical customer, solar is a close call.

Average price (2026 est.)
16.2¢9% above Mississippi average
Typical bill
$160993 kWh a month
Exports credited
~37%Net billing (reduced export credit)
Typical payback
15.8 yrs4.1 kW, cash

Export rules for Southwest Mississippi E P A customers

Net billing (reduced export credit) (Mississippi rule).

Mississippi's Net Renewable Generation rules pay for exports at the utility's avoided cost plus a 2.5 cent/kWh adder (plus 2 cents more for low/moderate-income households). That works out to well below retail. Netting is effectively instantaneous via dual-channel metering.

Mississippi net metering details

Solar for a typical Southwest Mississippi E P A home

System4.1 kW (49% of 993 kWh/month)
Cost$12,315
First-year savings$800
Payback15.8 years
25-year net$8,765

Uses the utility's average price.

Solar adoption

Homes with solar (2025)
—
Share of customers
—
Residential solar capacity
—
Residential customers
23,095

EIA-861, 2025.

Questions about Southwest Mississippi E P A and solar

Does Southwest Mississippi E P A have net metering?

Southwest Mississippi E P A follows Mississippi's rules: Mississippi's Net Renewable Generation rules pay for exports at the utility's avoided cost plus a 2.5 cent/kWh adder (plus 2 cents more for low/moderate-income households). That works out to well below retail. Netting is effectively instantaneous via dual-channel metering.

How much does electricity cost with Southwest Mississippi E P A?

Residential customers paid an average of 15.3¢ per kWh in 2025 (EIA), about 16.2¢ adjusted to 2026. The typical home uses 993 kWh a month, a bill of about $160.

Is solar worth it with Southwest Mississippi E P A?

For a typical customer, solar is a close call: a 4.1 kW system costing about $12,315 pays back in about 15.8 years, with $8,765 net over 25 years.

How many Southwest Mississippi E P A customers have solar?

Southwest Mississippi E P A did not report residential net-metered solar to EIA for 2025.

Legal name: Southwest Mississippi E P A (EIA ID 17683). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.