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Wholesale electricity price (USD / MWh) - United States (Northwest index Mid-Columbia) - EIA STEO - Monthly

Latest updates. At the Mid-Columbia hub, the average wholesale electricity price was 49.30 USD / MWh in September 2025, compared to 52.53 in the previous month. This constitutes a decrease of 6.15 percent.

Sample. This monthly series has 204 observations overall. The series covers the span of time going from January 2010 to December 2026.

History. Have a look at a few summary statistics we computed on the full sample: the price hit a minimum of 9.31 USD / MWh in June 2012; it recorded a maximum of 283.27 in December 2022; it averaged 42.69.

Latest values

Date Value - USD / MWh
2026-10-31 56.99187
2026-11-30 62.31094
2026-12-31 72.92215

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Series Metadata

Field Value
Description Wholesale electricity price
Country or region US - Northwest index Mid-Columbia
Economic concept Price
Data type Nominal price
Seasonally adjusted No
Frequency Monthly
Unit USD / MWh
Source U.S. Energy Information Administration (EIA)
Source type Government Agency
Data licence Public domain
Measure type Level

Series in the same data set

Discover the other time series included in this data set.

Wholesale prices

Series Name Observations Start Date End Date
Wholesale electricity price (USD / MWh) - United States (ERCOT North hub) - EIA STEO - Monthly 193 2010-12-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (CAISO SP15 zone) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (ISO-NE Internal hub) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (NYISO Hudson Valley zone) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (PJM Western hub) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (Midcontinent ISO Illinois hub) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (SPP ISO South hub) - EIA STEO - Monthly 154 2014-03-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (SERC index Into Southern) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (FRCC index Florida Reliability) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (Northwest index Mid-Columbia) - EIA STEO - Monthly 204 2010-01-31 2026-12-31
Wholesale electricity price (USD / MWh) - United States (Southwest index Palo Verde) - EIA STEO - Monthly 204 2010-01-31 2026-12-31