Britain has some of the priciest electricity in the developed world. Government figures put the UK second only to Germany for domestic electricity prices in the G7, with France, Japan, the US and Canada all cheaper. Ask most people why, and they’ll point to the obvious culprits: not enough generating capacity, or the cost of the clean power transition. Both explanations are largely wrong — and both lead policymakers towards the slowest, most expensive fix available: building more plant.
The truth is duller but more encouraging. Britain’s problem isn’t a shortage of electrons. What sets UK bills apart is the plumbing around the price: how costs are allocated, who pays for what, and a set of market rules that were designed for a fossil-fuel grid and now actively punishing the cleaner one Britain is trying to build. Fix the plumbing, and bills fall — without a single turbine, reactor or gas plant added to the system. Here’s where government could start.
1. Stop loading policy costs onto electricity bills alone
Roughly a quarter of a typical electricity bill is made up of legacy policy and network costs — subsidies for renewables built over the past two decades, plus grid upkeep — while equivalent green levies on gas are far smaller. The effect is perverse: it makes electricity artificially expensive relative to gas, discouraging exactly the switch to heat pumps and electric vehicles that net zero depends on.
Shifting these levies off electricity bills — onto general taxation or rebalanced more evenly with gas — doesn’t change what anything costs to produce. It simply stops electricity carrying a disproportionate, self-defeating share of the load. Because this is a decision about who the bill lands on rather than a redesign of the market itself, it’s arguably the single easiest and highest-impact lever available to the British government.
2. Finish cutting the taxes that sit on top
The British government has already announced VAT on domestic electricity will fall from 5% to zero this October (2026). That’s a welcome, genuinely easy win — a tax change, nothing more. It should be treated as the first step rather than the last: standing charges, which hit low-usage and low-income households hardest regardless of how much power they actually use, deserve the same scrutiny.
3. Fix network charging so the grid we already have works harder
Government has just ruled out splitting Britain into regional “zonal” electricity prices, after concluding the disruption and investor uncertainty weren’t worth the theoretical savings — a defensible judgement call, given how long and costly the transition would have been. But the government has committed to reforming the charges generators and large users pay to connect to and use the transmission network, and to a more flexible, locationally aware Balancing Mechanism.
The Balance Mechanism is a real-time operational platform used by the National Energy System Operator (NESO) in Great Britain to match electricity supply and demand second by second, and it operates as an ongoing auction where the grid operator pays power plants, battery storage, and large users to turn generation up or down.
In Great Britain, the network charges are notoriously volatile year to year, which investors price in as risk — and that risk gets passed to bill-payers. Smoothing and clarifying these charges is a matter of redesigning existing rules, not building anything new.
4. Make use of more of the interconnectors Britain already has
Britain is connected to continental and Nordic grids by subsea cables that let the country import cheaper power — including French nuclear and Norwegian hydro — when it’s available, and export its own surplus when it isn’t required. Every megawatt-hour imported at a lower price than the UK’s marginal gas-set price is a saving delivered without a single new generator on British soil. Better use of interconnector capacity that already exists, and faster agreement of trading arrangements with European partners, is a policy and diplomatic task, which is easier than constructing new plant.
The trade-offs worth being honest about
None of this is free. Moving levies off electricity bills has to land somewhere — either on gas bills, which raises heating costs for the many households still on gas boilers, or on general taxation, which is a call on the public finances rather than energy policy. Cutting standing charges further could mean thinner margins for suppliers already operating on tight terms, with knock-on effects on market stability.
What all of these measures share, though, is that they’re reversible, relatively fast, and don’t require the seven-to-ten-year lead times to build new power stations. Britain’s high bills are, in large part, a design problem. The UK Government doesn’t need to build its way out of it — it needs to tidy up the rules it already has.