Commercial electricity rates in Montana

What businesses in Montana actually paid per kilowatt-hour, from EIA's monthly utility filings. Updated monthly.

The last 36 months

Range over the period shown: 10.37¢ to 13.64¢ per kWh. Each point is a monthly state average, not an offered rate.

Montana by the numbers

How commercial compares with other sectors

All figures are August 2026 averages for Montana.

Commercial customers in Montana pay 12% less per kWh than households there. Nationally the commercial price sits 20% below residential, so the gap here is narrower than usual.

What this costs a typical account

The average commercial account in Montana used 3,228 kWh in August 2026. At 13.64¢ per kWh that is about $440 for the month — computed from EIA totals, so it is the average account, mixing a large facility with a corner shop.

How the price has moved

Over the 36 months to August 2026, Montana's commercial price rose 11.6%, from 12.22¢ in September 2023 to 13.64¢. The high point was 13.64¢ in August 2026 and the low 10.37¢ in January 2025 — a spread of 32% between the cheapest and dearest month, which is unusually volatile for a state-level average.

Across the same period the dearest month on average was June (13.05¢) and the cheapest January (11.26¢), a seasonal swing of 16%.

Montana against its region

Montana is in EIA's Mountain division, where the commercial average was 12.14¢ in August 2026. Montana is 12% above that, and 7 of 8 on price within the region.

Others in the region: Nevada, Idaho, Wyoming, Utah, New Mexico, Arizona, Colorado.

States priced near Montana

Source

EIA Electric Power Monthly, retrieved 2026-11-02 · methodology · all 51 states