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.
·3 min read
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)