The Hidden Network Costs Coming to Your Bill

The Short Version

The government has approved a massive upgrade to Britain's electricity and gas networks. Good for the future, but it's going to cost you.

Your bills will rise by about £108 per year by 2031 — split between electricity (£60) and gas (£48) networks. Most of this will hit your standing charge, not your unit rate.

Why Is This Happening?

Three big reasons:

• Wind farms are in the wrong place. Most renewable energy is generated in Scotland and the North Sea, but most people live in the South. We need new power lines to move that electricity hundreds of miles.
• The grid is too small. Britain's electricity network was built for a different era. It can't handle all the new wind and solar power, so we're paying generators to switch off while firing up expensive backup power. Wasteful.
• Old pipes and cables are wearing out. Some infrastructure is decades old and needs replacing. Gas pipes are being swapped for plastic ones that could carry hydrogen in the future.

What's the Transmission Fee?

Every electricity bill includes a fee for using the national grid — the network of high-voltage power lines that carry electricity across the country. You've probably never noticed it because it's buried in your standing charge.

This fee is set to nearly double from April 2026:

Who Gets Hit Hardest?

Low energy users. These fees are fixed — you pay the same whether you use a lot of energy or a little. So if you're careful with energy, these charges make up a bigger chunk of your bill.

Businesses pay much more. The fees depend on how much electrical capacity your building has. A small office might see £1,700/year added to their bill. A supermarket or factory could face £10,000+ in extra costs.

Where you live matters too. If you're in Scotland or near offshore wind farms, you'll pay less (because you're close to where power is generated). If you're in London or the South East, you'll pay more (because electricity has to travel further to reach you).

Will My Fixed Tariff Protect Me?

Probably not. Most "fixed" energy deals only lock in the unit rate. Buried in the small print, you'll usually find a clause letting suppliers pass on network cost increases.

Look for terms like "non-commodity costs" or "transmission charges" in your contract. If they're there, your standing charge can rise even on a fixed deal.

Is There Any Good News?

Yes, eventually. The government argues these upgrades will pay for themselves:

• Less waste. Right now, we pay wind farms to switch off when the grid can't handle their power. Better infrastructure means less of this waste.
• Cheaper power. Once new power lines are built, cheap renewable energy from Scotland can flow to the rest of Britain, pushing down wholesale prices.
• Energy security. Less reliance on expensive imported gas means more stable bills long-term.

The catch? You pay now, benefits come later. The £108 in extra costs hits your bill immediately. The estimated £80 in savings won't fully materialise until the late 2020s or early 2030s.

What Can You Do?

• Check your contract. Does it allow pass-through of network charges? If so, your standing charge could rise mid-contract.
• Compare standing charges. From 2026 onwards, these matter more. Don't just focus on unit rates.
• Use less at peak times. Some of these charges are based on when you use electricity. Avoiding 4-7pm in winter can help.
• Budget for it. Plan for roughly £50-60 extra on your annual electricity bill by April 2026, rising to £100+ by 2031.