Energy & Utilities

Energy Price Cap Explained UK — What It Means for Your Bills

What the energy price cap is, how it works, how it affects your bills, and what to do when the price cap changes. Updated for 2026.

The energy price cap is designed to protect UK households from excessive energy prices. Understanding how it works helps you make better decisions about your energy tariff and when to switch.

What the Price Cap Is

Feature Detail
What it caps Maximum rate per kWh + daily standing charge
Who sets it Ofgem (energy regulator)
How often it changes Every 3 months (Jan, Apr, Jul, Oct)
Who it applies to Households on default/standard variable tariffs
Who it does NOT apply to Fixed-rate tariff customers, businesses

How It Affects Bills

Typical Household* At Price Cap Level
Electricity ~2,700 kWh/year
Gas ~11,500 kWh/year
Total annual cost ~£1,738**

*Ofgem’s “typical” household figures. **Example figure — actual cap varies by quarter.

Key Point: Usage Matters

Your Usage Impact
Less than typical Pay less than quoted figure
More than typical Pay more than quoted figure
Large home / multiple occupants Likely pay more
Small flat / efficient home Likely pay less

Current Price Cap Components

Component Approximate Rate*
Electricity unit rate ~24–28p/kWh
Gas unit rate ~6–7p/kWh
Electricity standing charge ~53–60p/day
Gas standing charge ~31–32p/day

*Rates change quarterly — check Ofgem for current figures.

What Are Standing Charges?

Detail Info
What they are Daily fee to be connected to the grid
Whether you use energy You pay these even if you use zero energy
Why they exist Cover network maintenance, metering, policy costs
Can you avoid them? Not currently — all tariffs include them

Price Cap Schedule

Date What Happens
January New cap level takes effect
Late February Ofgem announces April cap
April New cap level takes effect
Late May Ofgem announces July cap
July New cap level takes effect
Late August Ofgem announces October cap
October New cap level takes effect
Late November Ofgem announces January cap

How to Respond to Price Cap Changes

When the Cap Goes Up

Action Why
Check fixed tariffs May be cheaper to lock in
Reduce energy usage Lower consumption = lower bills
Check eligibility for support Warm Home Discount, grants
Spread costs Set up Direct Debit, pay monthly

When the Cap Goes Down

Action Why
Review current tariff SVT will track the cap down
Compare fixed deals May find long-term savings
Overpayment in account? Request a refund if in credit

Fixed Tariff vs Price Cap

Fixed Tariff Standard Variable (Price Cap)
Rate locked for 12–24 months Changes every quarter with cap
Could be cheaper or more expensive Follows the cap
No exit fees (since 2020) No fees (default tariff)
Certainty Flexibility

When to Fix

Scenario Recommendation
Fixed rate below current cap Consider fixing
Fixed rate above current cap Stay on SVT unless cap expected to rise
Cap predicted to rise Consider fixing to lock in lower rate
Cap predicted to fall Stay variable or wait
Prefer predictability Fix for peace of mind

Prepayment Meters

Feature Detail
Different cap level Prepayment has its own cap (was historically higher, now similar)
How you top up Cards, apps, PayPoint
Self-disconnection risk If you cannot afford to top up
Support available Contact supplier if struggling

Support for Energy Bills

Support Who Qualifies
Warm Home Discount Pension Credit recipients, low income
Winter Fuel Payment Pension age
Cold Weather Payment Certain benefits, when temp drops
Energy Company Trust Funds Application to individual suppliers
Household Support Fund Via local council

See our energy grants and schemes guide for full details.

Reducing Your Bills

Action Potential Saving
Reduce heating by 1°C ~£100/year
LED bulbs £40+/year
Shorter showers £50+/year
Draught proofing £125/year
Smart thermostat Variable
Efficient appliances Variable

See our reduce energy bills guide for more tips.

Understanding Your Bill

Bill Component What It Is
Unit rate (kWh) Cost per unit of energy used
Standing charge Daily connection fee
VAT (5%) Applied to total energy costs
Total Units used × rate + (standing charge × days) + VAT

For more on managing energy costs, see our switching energy supplier guide and household bills guide.