Average Electric Bill in Rapid City, SD

What a typical household in Rapid City pays per month, the kWh rate behind it, and how it compares — with the data basis stated on the page.

Data through June 2026 EIA, verified Oct 12, 2026

A typical household in Rapid City pays about $110.22/month for electricity at roughly 14.37¢/kWh. Basis: Black Hills Power, Inc., 2024 annual average (EIA-861).

Avg bill$110.22/mo≈ $1,322.62/yr Rate14.37¢/kWh State usage868 kWh/moSouth Dakota average US context$164.05/mostates median

Bill trend (state level)

Average residential bill in South Dakota over 12 months — the rate environment Rapid City households pay into.

South Dakota average bill (12 months) ▼ 15.3% over Jul 25–Jun 26
South Dakota average bill (12 months) $115 $144 $173 $133 Jul 25 Jun 26

Where this number comes from

No black box: the utility behind the estimate, or the state fallback.

Data basisBlack Hills Power, Inc., 2024 annual average (EIA-861)
UtilityBlack Hills Power, Inc. · 60,951 residential customers
State contextSouth Dakota: $133.30/mo average bill
Population≈ 74,943 (2020 Census, approx.)

Your actual bill depends on home size, heating/cooling, and usage — the averages here are the benchmark, not your invoice.

Common questions

What is the average electric bill in Rapid City?

Expect roughly $110.22 per month for a typical household in Rapid City — based on Black Hills Power, Inc. annual data (2024), so your bill varies with home size, weather, and usage.

How much is electricity per kWh in Rapid City?

About 14.37¢ per kWh (Black Hills Power, Inc., 2024 annual). Ratepayers in Rapid City pay the utility rate; check your bill for the exact per-kWh breakdown of supply and delivery.

Are bills in Rapid City higher or lower than the South Dakota average?

Black Hills Power, Inc. averages $110.22 — below the state average of $133.30.

Sources: EIA-861 2024 (Black Hills Power, Inc.) · EIA residential retail-sales series (South Dakota) · Census 2020 population. See methodology.