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

FeatureDetail
What it capsMaximum rate per kWh + daily standing charge
Who sets itOfgem (energy regulator)
How often it changesEvery 3 months (Jan, Apr, Jul, Oct)
Who it applies toHouseholds on default/standard variable tariffs
Who it does NOT apply toFixed-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 UsageImpact
Less than typicalPay less than quoted figure
More than typicalPay more than quoted figure
Large home / multiple occupantsLikely pay more
Small flat / efficient homeLikely pay less

Current Price Cap Components

ComponentApproximate 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?

DetailInfo
What they areDaily fee to be connected to the grid
Whether you use energyYou pay these even if you use zero energy
Why they existCover network maintenance, metering, policy costs
Can you avoid them?Not currently — all tariffs include them

Price Cap Schedule

DateWhat Happens
JanuaryNew cap level takes effect
Late FebruaryOfgem announces April cap
AprilNew cap level takes effect
Late MayOfgem announces July cap
JulyNew cap level takes effect
Late AugustOfgem announces October cap
OctoberNew cap level takes effect
Late NovemberOfgem announces January cap

How to Respond to Price Cap Changes

When the Cap Goes Up

ActionWhy
Check fixed tariffsMay be cheaper to lock in
Reduce energy usageLower consumption = lower bills
Check eligibility for supportWarm Home Discount, grants
Spread costsSet up Direct Debit, pay monthly

When the Cap Goes Down

ActionWhy
Review current tariffSVT will track the cap down
Compare fixed dealsMay find long-term savings
Overpayment in account?Request a refund if in credit

Fixed Tariff vs Price Cap

Fixed TariffStandard Variable (Price Cap)
Rate locked for 12–24 monthsChanges every quarter with cap
Could be cheaper or more expensiveFollows the cap
No exit fees (since 2020)No fees (default tariff)
CertaintyFlexibility

When to Fix

ScenarioRecommendation
Fixed rate below current capConsider fixing
Fixed rate above current capStay on SVT unless cap expected to rise
Cap predicted to riseConsider fixing to lock in lower rate
Cap predicted to fallStay variable or wait
Prefer predictabilityFix for peace of mind

Prepayment Meters

FeatureDetail
Different cap levelPrepayment has its own cap (was historically higher, now similar)
How you top upCards, apps, PayPoint
Self-disconnection riskIf you cannot afford to top up
Support availableContact supplier if struggling

Support for Energy Bills

SupportWho Qualifies
Warm Home DiscountPension Credit recipients, low income
Winter Fuel PaymentPension age
Cold Weather PaymentCertain benefits, when temp drops
Energy Company Trust FundsApplication to individual suppliers
Household Support FundVia local council

See our energy grants and schemes guide for full details.

Reducing Your Bills

ActionPotential Saving
Reduce heating by 1°C~£100/year
LED bulbs£40+/year
Shorter showers£50+/year
Draught proofing£125/year
Smart thermostatVariable
Efficient appliancesVariable

See our reduce energy bills guide for more tips.

Understanding Your Bill

Bill ComponentWhat It Is
Unit rate (kWh)Cost per unit of energy used
Standing chargeDaily connection fee
VAT (5%)Applied to total energy costs
TotalUnits used × rate + (standing charge × days) + VAT

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