Wholesale electricity price (USD / MWh) - United States (SPP ISO South hub) - EIA STEO - Monthly
This series is part of the dataset: US Wholesale electrictiy prices (monthly)
Download Full Dataset (.xlsx)Latest updates. At the SPP ISO South hub, the average wholesale price of electricity was 54.92 USD / MWh in August 2025, versus 46.94 in July. This represents an increase of 17.00 percent.
Sample. There are 154 data points in the monthly series shown in the graph above. The time span covered by the series extends from March 2014 to December 2026.
History. Take a look at some summary statistics we calculated on the entire sample: the price achieved a maximum of 705.48 USD / MWh in February 2021; it reached a minimum of 16.65 in February 2024; it had an average value of 40.80.
Latest values
| Date | Value - USD / MWh |
|---|---|
| 2026-10-31 | 43.91544 |
| 2026-11-30 | 45.61107 |
| 2026-12-31 | 48.89417 |
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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 |