Wholesale price history
How electricity prices changed
Complete calendar-year GB wholesale Market Index Prices compared with the UK Retail Prices Index.
Annual wholesale price
Average GB Market Index Price
Calendar-year volume-weighted APX and N2EX Market Index Price.
£250.00/MWh£125.00/MWh£0/MWh
20172019202120232025
Price growth vs inflation
Wholesale electricity compared with RPI
Both series are rebased to 100 in 2017, so their cumulative increase can be compared directly.
5002500
20172019202120232025
Wholesale electricityRetail Prices Index
Inflation-adjusted view
Wholesale price in 2025 pounds
Historic wholesale prices are uprated using RPI to show how expensive each year was in comparable 2025 money.
£250.00/MWh£125.00/MWh£0/MWh
20172019202120232025
Nominal wholesaleRPI-adjusted · 2025 pounds
Annual dataExact wholesale, annual change and RPI valuesShow table
| Year | Wholesale £/MWh | Wholesale change | RPI | RPI change | Wholesale in 2025 £ |
|---|---|---|---|---|---|
| 2025 | 80.92 | +10.0% | 402.7 | +4.1% | 80.92 |
| 2024 | 73.55 | -23.9% | 386.7 | +3.6% | 76.59 |
| 2023 | 96.71 | -52.2% | 373.3 | +9.7% | 104.33 |
| 2022 | 202.13 | +68.4% | 340.3 | +11.6% | 239.19 |
| 2021 | 120.00 | +237.8% | 305.0 | +4.1% | 158.44 |
| 2020 | 35.52 | -16.7% | 293.1 | +1.5% | 48.80 |
| 2019 | 42.62 | -27.0% | 288.8 | +2.6% | 59.43 |
| 2018 | 58.38 | +26.3% | 281.6 | +3.3% | 83.49 |
| 2017 | 46.23 | — | 272.5 | — | 68.32 |
Why 2026 is not plotted: the annual charts use matched, published full-year Elexon and ONS observations only. A year is added after both annual periods are available and the source coverage has been verified—not merely because the calendar has rolled over.
Wholesale sourceElexon Market Index Data (MID)
Calendar-year volume-weighted GB Market Index Price across all positive-volume APX and N2EX rows. Static results were reproduced from the official API in bounded seven-day windows on 23 August 2026; row counts are retained with each year for auditability.
Open Elexon source ↗Inflation sourceONS RPI All Items Index (CHAW)
Official annual RPI All Items Index (CHAW), January 1987 = 100; values verified against the ONS annual series on 23 August 2026.
Open ONS series ↗