UK Electricity Prices 2019–2026: A Complete History
From 17p/kWh in 2021 to 34p/kWh at the crisis peak — and back to 24.5p today. Here's how UK electricity unit rates have moved over the past seven years, why they moved, and what it means for your bills.
Muhammad founded KilowattKit after spending hours trying to decode confusing electricity bills — and realising there were no simple, jargon-free tools to help ordinary homeowners understand their energy costs. He researches electricity rates, EV charging, solar payback, and heat pump economics across the US, UK, Canada, and Australia.
📊 Key data points
- ✓Pre-crisis (2021): ~17–18p/kWh electricity unit rate.
- ✓Crisis peak (Q4 2022): ~34p/kWh (under government Energy Price Guarantee).
- ✓Current (Q1 2026): ~24.5p/kWh — 35–40% above pre-crisis levels.
- ✓The main driver: UK electricity generation is ~40% gas-dependent, exposing prices to global LNG markets.
Electricity Unit Rate Timeline: 2019–2026
| Period | Approx. unit rate | Key context |
|---|---|---|
| 2019 | ~16p/kWh | Stable pre-pandemic |
| 2020 | ~17p/kWh | COVID: reduced demand, low gas prices |
| 2021 | ~17–18p/kWh | Economy reopens; gas prices start rising |
| Q1 2022 | ~20p/kWh | Ukraine invasion Feb 2022; wholesale surge |
| Q3 2022 | ~28p/kWh | Gas storage crisis; UK wholesale at record highs |
| Q4 2022 (Peak) | ~34p/kWh | ⚠️ Energy Price Guarantee applied by government |
| Q1 2023 | ~33p/kWh | EPG maintained; wholesale falling |
| Q3 2023 | ~30p/kWh | Ofgem cap falling as wholesale drops |
| Q1 2024 | ~24.5p/kWh | Significant reduction; EPG ended |
| Q3 2024 | ~22–23p/kWh | Summer reduction |
| Q4 2024 – Q1 2025 | ~24–25p/kWh | Winter uplift |
| Q1 2026 (Current) | ~24.5p/kWh | ✅ Broadly stable |
Figures are approximate national averages under Ofgem price cap. Actual rates vary by region and supplier. Sources: Ofgem quarterly cap announcements; BEIS energy price statistics.
What Caused the UK Energy Crisis?
Global gas demand surged in 2021 as economies reopened simultaneously. Supply infrastructure couldn't respond quickly enough, pushing wholesale prices higher before the Ukraine war even began.
Russia supplied around 40% of Europe's gas prior to the invasion. The resulting sanctions and pipeline disruptions forced European countries to find alternative LNG supplies at dramatically higher cost, tightening global markets.
An unusually calm autumn in 2021 meant UK wind farms generated far below typical output. As gas is the UK's marginal electricity source, more gas was burned to compensate — pushing gas demand and prices higher at exactly the wrong time.
Unlike France (which uses nuclear for ~70% of electricity) or Norway (hydropower), the UK generates around 40% of electricity from gas. This makes UK electricity prices structurally more sensitive to global gas markets than most European neighbours.
How Solar Protects You from Price Volatility
The energy crisis demonstrated the vulnerability of households entirely dependent on grid electricity at variable rates. Solar panels provide a hedge — every kWh you generate and use yourself costs the same regardless of what Ofgem sets the price cap at. At 24.5p/kWh today, a 4kWp system self-consuming 1,800 kWh/year saves £441/year. If prices rose back to 34p, that same system would save £612/year.
The payback period for solar gets shorter every time energy prices rise. Solar installed at today's prices is protected against future price increases — the higher rates go, the more your panels save per year.
Calculate your solar savings at current rates →Enter your actual electricity usage and see your real annual bill at the current rate — then see how solar would cut it.