Wholesale electricity price (USD / MWh) - United States (CAISO SP15 zone) - EIA STEO - Monthly
This series is part of the dataset: US Wholesale electricity prices (monthly)
Download Full Dataset (.xlsx)Latest updates. In the CAISO SP15 zone, the average wholesale electricity price stood at 12.68 USD / MWh in March 2026, compared to 21.73 in the previous month. This constitutes a decrease of 41.65 percent.
Sample. In the monthly time series presented in the chart, there are a total of 216 data points. The span of time covered by the series goes from January 2010 to December 2027.
History. Here's a glimpse of some simple statistics calculated on the whole sample: the price recorded its maximum of 257.11 USD / MWh in December 2022; it recorded a minimum of -0.08 in April 2024; it had a mean of 43.25.
Latest values
| Date | Value - USD / MWh |
|---|---|
| 2027-10-31 | 29.06283 |
| 2027-11-30 | 32.94978 |
| 2027-12-31 | 35.19385 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Wholesale electricity price |
| Country or region | US - CAISO SP15 zone |
| 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.