Compare electricity only tariffs UK 2026
Compare electricity-only prices for your exact postcode, meter type and payment method — with clear explanations of what affects the unit rate, standing charge and any exit fees in 2026.
- Whole-of-market style comparison: fixed, variable and tracker options (where available)
- Electricity-only: ideal if you have no gas supply, use a heat pump, or want separate providers
- UK-specific guidance on smart meters, Economy 7 and prepayment
Prices vary by region, meter and payment method. Any costs shown are illustrative estimates for understanding only.
Fast answer: compare electricity only tariffs UK 2026
To compare electricity only tariffs UK 2026, focus first on the unit rate (p/kWh) and standing charge (p/day) for your postcode region, then check meter type (smart/standard, Economy 7), payment method and any exit fees. The cheapest tariff depends on how many kWh you use and when you use them.
Key takeaway #1
A low unit rate can be cancelled out by a high standing charge (especially for low users and small flats).
Key takeaway #2
Economy 7 can be cheaper only if a meaningful share of your usage is overnight (commonly 25–40%+).
Key takeaway #3
Fixed tariffs may offer price certainty but can include exit fees; variable tariffs can change with market conditions and supplier decisions.
Quick caveat: The Ofgem price cap limits what suppliers can charge on standard variable/default tariffs, but it does not mean all tariffs are “capped” to the same price. Regional network costs and tariff structure still matter.
Compare electricity-only tariffs for your home (and why details matter)
Electricity-only pricing varies more than many people expect because suppliers pass through regional network charges and design tariffs around different usage patterns. A good comparison uses your real inputs so you see an estimated annual cost, not just a headline unit rate.
What changes the price in 2026
- Your postcode region
- Standing charges and unit rates differ by region due to distribution network costs. Two neighbours in different regions can see different prices for the same tariff name.
- Meter type (single-rate, Economy 7, smart meter)
- Single-rate tariffs charge one unit rate. Economy 7 (two-rate) has day and night prices. Smart meters may unlock smart/time-of-use tariffs (availability varies).
- Payment method
- Direct Debit is often cheapest, but not always. Prepayment tariffs can differ and are subject to eligibility and meter constraints.
- Your annual usage (kWh) and when you use it
- High users are more sensitive to unit rate; low users are more sensitive to standing charge. Economy 7 and smart tariffs depend heavily on when you consume electricity.
What to have to hand (takes 2 minutes)
- Postcode (for your regional rates)
- Meter type (single-rate or Economy 7; smart meter yes/no if you know)
- Rough annual usage in kWh (from a bill, app, or in-home display)
- Payment preference (Direct Debit, receipt of bill, or prepayment)
- Tariff end date and any exit fee (if you’re on a fix)
If you’re currently on gas + electricity with one supplier: moving to electricity-only supply is possible, but make sure you’re not accidentally ending a gas tariff you still need (for example, if you have a gas hob or boiler). If in doubt, confirm what fuels are supplied to your address before switching.
Get an electricity-only quote
Tell us a few details and we’ll show electricity-only tariff options for your home. You can review prices and features before deciding.
Electricity-only tariff types: what you’re really comparing
Not all “cheap” tariffs are cheap for every household. Use the table below to match tariff type to your priorities: price certainty, flexibility, and whether your usage happens at particular times.
| Tariff type | How it works | Who it can suit | Watch-outs |
|---|---|---|---|
| Fixed | Unit rate and standing charge stay the same for the fix term (e.g. 12–24 months). | People who want predictable bills and plan to stay put for the term. | Exit fees may apply; you can miss out if market prices fall. |
| Variable (SVT/default) | Price can change; SVTs are influenced by the Ofgem price cap level (where applicable). | People who want flexibility and no exit fees, or who may switch again soon. | Prices can rise; not always the cheapest long-term. |
| Tracker | Rate follows a published index/formula (varies by supplier) and can move up or down. | Confident switchers who accept changing prices and understand the tracking method. | Can rise quickly; read how the tracker is calculated and how often it updates. |
| Time-of-use / smart | Different rates at different times (e.g. peak/off-peak). Usually requires a smart meter. | Homes that can shift usage (EV charging, heat pump schedules, immersion heater). | Peak rates can be high; savings depend on behaviour and timer settings. |
Decision checklist (electricity-only)
- Low usage? Prioritise low standing charge.
- High usage? Prioritise unit rate; model annual cost.
- Economy 7 meter? Compare day/night split and your overnight usage %.
- Want certainty? Check fixed term + exit fee + end date.
- Can shift usage? Consider smart/time-of-use (only if you’ll genuinely move kWh).
Who it suits / who it doesn’t
Electricity-only often suits: flats with no gas supply, all-electric homes, heat pump households, and people who want to keep gas with another provider.
It may not suit: anyone who still needs gas at the property but is unsure how their current dual-fuel contract works (risk of unwanted contract changes).
Two realistic scenarios (illustrative numbers)
Scenario A: low-use flat (single-rate)
Assumptions: 1,800 kWh/year electricity, Direct Debit, single-rate meter. Comparing two example tariffs (same region):
- Tariff 1: 24p/kWh + 70p/day standing charge
- Tariff 2: 27p/kWh + 45p/day standing charge
Estimated annual cost (electricity only, excl. VAT assumptions vary):
- Tariff 1: (1,800×£0.24) + (365×£0.70) = £689.50
- Tariff 2: (1,800×£0.27) + (365×£0.45) = £650.25
Even with a higher unit rate, the lower standing charge can win for low usage.
Scenario B: all-electric home (Economy 7)
Assumptions: 4,200 kWh/year electricity, Economy 7 meter, 35% used overnight. Example E7 rates:
- Tariff A (E7): Day 31p/kWh, Night 14p/kWh, standing charge 55p/day
- Tariff B (single-rate): 26p/kWh, standing charge 55p/day
Estimated annual cost:
- Tariff A: (2,730×£0.31) + (1,470×£0.14) + (365×£0.55) = £1,253.80
- Tariff B: (4,200×£0.26) + (365×£0.55) = £1,293.75
Economy 7 can be cheaper when enough kWh genuinely move to the night rate. If overnight use drops, the E7 day rate may make it worse.
Important: These scenarios are examples to show the maths. Real tariffs include regional variations, VAT, and supplier-specific terms. Always compare estimated annual cost using your actual kWh and meter type.
Costs, exclusions and common pitfalls (electricity-only)
Exit fees and end dates
Fixed tariffs may charge exit fees if you leave early. If you’re near the end of a fix, check whether your supplier allows penalty-free switching in the final weeks (terms vary).
Standing charge surprises
Two tariffs with similar unit rates can differ hugely on standing charge. Low users should model annual cost carefully before choosing a “low unit rate” deal.
Economy 7 misconceptions
Economy 7 isn’t automatically cheaper. If you don’t use enough electricity overnight (storage heaters, EV charging, timed appliances), the higher day rate can outweigh the benefits.
Smart/time-of-use eligibility
Some tariffs require a communicating smart meter and specific setup. If your meter has connectivity issues, you may be moved to a fallback tariff.
Prepayment limits
Prepayment tariff availability can be more limited, and switching may require meter exchanges depending on the supplier and your current setup.
Bills vs actual usage
Comparisons are only as good as the kWh estimate. If you’ve had estimated readings, your annual usage figure may be off — update readings where possible.
Switching safety: Under Ofgem rules, you typically shouldn’t be disconnected because you switch supplier. If you’re in debt or on certain repayment plans, extra steps may apply. Citizens Advice explains your switching rights and support options.
FAQs
Are electricity-only tariffs cheaper than dual fuel in 2026?
Not automatically. Electricity-only can be cost-effective if you don’t need gas (or you want a separate gas provider), but electricity prices are typically higher per kWh than gas. The right choice depends on your home’s fuels, usage in kWh, and the standing charges offered for your region.
What details do I need to compare electricity-only tariffs accurately?
At minimum: your postcode, payment method (Direct Debit/bill/prepayment), meter type (single-rate or Economy 7), and annual electricity usage in kWh. If you’re on a fixed tariff, also check your tariff end date and whether there’s an exit fee.
Does the Ofgem price cap apply to electricity-only tariffs?
The Ofgem price cap applies to standard variable tariffs (SVTs) and default tariffs for typical domestic customers, including electricity-only supply. Fixed and some specialist tariffs may not be priced at the cap level, and regional price differences still apply. The cap level can change over time.
Can I switch electricity supplier if I have a smart meter?
Yes, in most cases. However, smart features can be affected during a switch depending on meter type and supplier systems. If you’re choosing a smart/time-of-use tariff, confirm you have a communicating smart meter and understand what happens if it stops sending readings.
Is Economy 7 worth it for electricity-only homes?
It can be, but only if you use enough electricity at the cheaper night rate. As a rule of thumb, it often becomes worthwhile when roughly 25–40% (or more) of your usage is overnight — for example, storage heaters, immersion heating, or EV charging on a timer. Always compare estimated annual cost for your day/night split.
Can tenants compare and switch electricity-only tariffs?
Usually, yes — if you pay the electricity bill and the supply is in your name. If bills are included in rent or the landlord is responsible for the energy contract, you may not be able to switch. If you’re in a block with a communal supply or heat network, electricity may be arranged differently.
How long does it take to switch electricity supplier in the UK?
Switching times vary, but many domestic switches complete in around 5 working days under the faster switching process, assuming there are no issues with meter details or objections (for example, if there’s a contract lock-in). Your new supplier will confirm the expected switch date.
What if I’m in energy debt — can I still switch electricity-only?
Sometimes. Rules and options depend on the debt amount, whether you’re on prepayment, and whether a repayment plan is in place. You may be able to switch with a debt assignment protocol or by agreeing a plan with your current supplier. Citizens Advice has up-to-date guidance for people in debt.
Trust, methodology and sources
Page ownership
- Written by
- EnergyPlus Editorial Team
- Reviewed by
- Energy Specialist
- Last updated
- February 2026
How we assess electricity-only tariffs (and limitations)
- Inputs we prioritise: postcode region, meter type (single-rate/Economy 7/smart where relevant), payment method and estimated annual usage (kWh).
- Core comparison lens: estimated annual cost (unit rate × kWh + standing charge × days), plus tariff features (exit fees, contract length, eligibility constraints).
- Assumptions in examples: example calculations use 365 days and rounded pence-to-pound conversions for clarity; VAT and supplier billing practices can affect real bills.
- Availability: not all suppliers or tariff types are available in all regions or for all meter/payment types at all times.
- What we don’t do on this page: we do not promise savings, and we do not rank “best” without your specific details.
Recommended UK sources
- Ofgem (price cap, switching rules and consumer protections)
- Citizens Advice energy guidance (switching, billing issues, complaints, debt support)
- GOV.UK (official services and schemes—always check eligibility and current criteria)
This guide is information, not personalised financial advice. If you’re vulnerable or struggling to pay, you can get free support from Citizens Advice and your supplier (for example, repayment plans or emergency credit options on prepayment meters).
Ready to compare electricity-only tariffs for 2026?
Get a quote using your postcode and meter details, then review tariff features like exit fees and payment options before you choose.
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