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Wholesale electricity price (USD / MWh) - United States (SPP ISO South hub) - EIA STEO - Monthly

Latest updates. At the SPP ISO South hub, the average wholesale electricity price was 39.08 USD / MWh in January 2026, versus 32.38 in December 2025. This constitutes a rise of 20.69 percent.

Sample. In the monthly series plotted above, there are a total of 166 observations. The series covers the span of time extending from March 2014 to December 2027.

History. Here are a few simple statistics calculated on the full sample: the price recorded a maximum of 705.48 USD / MWh in February 2021; it recorded a minimum of 16.65 in February 2024; it had a mean of 40.55.

Latest values

Date Value - USD / MWh
2027-10-31 37.82165
2027-11-30 38.24872
2027-12-31 42.38151

Nugget of wisdom. To make our users' life easier, we group time series into data sets and worksheets. By moving down the page, you will find how we structured further information linked to the statistics published here.

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Series Metadata

Field Value
Description Wholesale electricity price
Country or region US - SPP ISO South hub
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 205 2010-12-31 2027-12-31
Wholesale electricity price (USD / MWh) - United States (CAISO SP15 zone) - EIA STEO - Monthly 216 2010-01-31 2027-12-31
Wholesale electricity price (USD / MWh) - United States (ISO-NE Internal hub) - EIA STEO - Monthly 216 2010-01-31 2027-12-31
Wholesale electricity price (USD / MWh) - United States (NYISO Hudson Valley zone) - EIA STEO - Monthly 216 2010-01-31 2027-12-31
Wholesale electricity price (USD / MWh) - United States (PJM Western hub) - EIA STEO - Monthly 216 2010-01-31 2027-12-31
Wholesale electricity price (USD / MWh) - United States (Midcontinent ISO Illinois hub) - EIA STEO - Monthly 216 2010-01-31 2027-12-31
Wholesale electricity price (USD / MWh) - United States (SPP ISO South hub) - EIA STEO - Monthly 166 2014-03-31 2027-12-31
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