Tri-County Electric Coop, Inc (SC) Rates: Average Bill & Price per kWh

Residential rates for Tri-County Electric Coop, Inc (SC) and how they compare to the South Carolina average — 2024 EIA-861 annual data.

Data through 2024 EIA-861, verified Oct 11, 2026

Residential customers of Tri-County Electric Coop, Inc (SC) average $203.33/month at 18.51¢/kWh — above the South Carolina average of $185.87.

Avg bill (2024)$203.33/moannual average Rate18.51¢/kWh Res. customers17,672 Bill rank#1 in SCof tracked utilities

Where Tri-County Electric Coop, Inc (SC) rates are heading

Annual residential figures from Form EIA-861, 2019–2024.

Tri-County Electric Coop, Inc (SC) price per kWh (annual) ▲ 20.9% over 2019–2024
Tri-County Electric Coop, Inc (SC) price per kWh (annual) 15.3¢ 16.9¢ 18.5¢ 18.5¢ 2019 2024
YearRateAvg billRes. customers
2019 15.31¢/kWh $170.44/mo 17,325
2020 15.67¢/kWh $170.74/mo 17,492
2021 15.52¢/kWh $169.37/mo 17,614
2022 15.74¢/kWh $178.33/mo 17,559
2023 17.27¢/kWh $182.70/mo 17,581
2024 18.51¢/kWh $203.33/mo 17,672

Rate context in South Carolina

Statewide residential price trend (12 months) — context for Tri-County Electric Coop, Inc (SC)'s 2024 annual figure.

South Carolina price per kWh (12 months) ▲ 5.8% over Jul 25–Jun 26
South Carolina price per kWh (12 months) 14.7¢ 15.9¢ 17.1¢ 15.6¢ Jul 25 Jun 26

Tri-County Electric Coop, Inc (SC) vs its state

Annual utility averages next to the latest statewide monthly figure — different windows, both labeled.

MeasureTri-County Electric Coop, I…South Carolina (latest month)
Avg bill $203.33/mo $185.87/mo
Rate 18.51¢/kWh 15.55¢/kWh

Common questions

How much is the average electric bill with Tri-County Electric Coop, Inc (SC)?

Tri-County Electric Coop, Inc (SC) residential customers averaged $203.33 per month in 2024 (EIA-861 annual data) — about $2,440.02 per year.

What does Tri-County Electric Coop, Inc (SC) charge per kWh?

Tri-County Electric Coop, Inc (SC) averaged 18.51¢ per kWh for residential service in 2024 (annual revenue divided by sales, EIA-861). Actual rates depend on your plan and season.

How does Tri-County Electric Coop, Inc (SC) compare to the South Carolina average?

Tri-County Electric Coop, Inc (SC) bills average $203.33 — higher than the South Carolina average of $185.87 (latest EIA month).

How many customers does Tri-County Electric Coop, Inc (SC) serve?

Tri-County Electric Coop, Inc (SC) served 17,672 residential customers in 2024, per EIA-861 — one of the largest utilities we track in SC.

Data: Form EIA-861, 2024 annual residential figures for Tri-County Electric Coop, Inc (SC). Bill = residential revenue ÷ customers ÷ 12; rate = revenue ÷ sales. State context uses the latest EIA monthly data. See methodology.