How much electricity does a single person use in the UK per year?

Ofgem estimates a single-person household uses around 1,800 kWh of electricity per year on average, but this varies significantly by home type, appliances, and lifestyle. A single person working from home or with an electric shower may use considerably more.

Is the standing charge important for a single-person electricity tariff?

Yes, especially for low-usage households. The standing charge is a fixed daily cost that applies regardless of how much electricity you use. For a single person using 1,800 kWh per year or less, the standing charge can represent a significant portion of the total annual bill.

Can a single person get a no-standing-charge electricity tariff?

Some suppliers offer tariffs with a zero or very low standing charge, though these typically have a higher unit rate to compensate. Whether this saves money for a single person depends on actual usage. Comparing total estimated annual cost is more reliable than looking at either component alone.

Do single people qualify for any energy discounts or schemes?

Eligibility for the Warm Home Discount, Cold Weather Payment, and Winter Fuel Payment depends on age, benefits, and household circumstances rather than the number of people in the home. Single people on qualifying benefits may be eligible. Check gov.uk for current eligibility criteria.

Is it worth switching electricity supplier as a single person with low usage?

Yes, even at low usage levels. A meaningfully better tariff rate can still produce a saving of tens to over a hundred pounds per year. The process is straightforward and supply is not interrupted. Comparing takes a few minutes and the saving can recur annually if you keep reviewing your deal.

What meter type is best for a single person?

For most single people with standard usage patterns, a single-rate credit meter or smart meter on a single-rate tariff is simplest. Economy 7 tends to suit homes with storage heaters or immersion tanks used overnight. Smart meters allow access to time-of-use tariffs which can benefit flexible schedules.

Can I switch electricity tariff if I rent a property?

Generally yes, if the electricity bill is in your name and you pay it directly. If your energy costs are included in rent, you likely cannot switch independently. Check your tenancy agreement and confirm the account is registered in your name before starting a comparison.

How do I compare electricity tariffs accurately as a single person?

Use your postcode, meter type, payment method, and your actual annual kWh usage from a recent bill or your smart meter app. If you are unsure of your usage, Ofgem typical figures for single-person homes provide a reasonable starting estimate that you can refine later.

Cheapest electricity tariff for a single person in the UK

Find an electricity deal that fits one-person usage — based on your postcode, meter and payment method. We’ll show what “cheapest” really means, what to watch for, and how to compare confidently.

Best for: low to moderate users who want lower standing charges and fair unit rates
UK-specific: prices vary by region, meter type (credit vs prepay vs smart) and Direct Debit
Clear examples: two realistic single-person scenarios with estimated annual costs

Get your electricity quote How to choose the right tariff

Prices are estimates and depend on your region, meter type and supplier terms. We compare whole-of-market options where available; eligibility checks apply.

Fast answer: what’s usually “cheapest” for a single person?

For most single-person households, the cheapest electricity tariff is typically the one with a competitive unit rate and a lower standing charge for your region — because low usage means the standing charge can make up a big share of your bill.

Key point: There isn’t one national “cheapest tariff”. Prices vary by postcode (region), meter type (credit / prepayment / smart), payment method (Direct Debit often cheapest), and tariff structure (single-rate vs Economy 7 or smart time-of-use).

Key takeaways (quick)

Low users: standing charge matters more — compare total annual cost, not just p/kWh.
Direct Debit: commonly the lowest priced payment method, but not always.
Flexible vs fixed: fixed gives bill certainty; flexible can track market changes.
Single rate vs Economy 7: Economy 7 can be costly unless you use a high share overnight.
Exit fees: a “cheaper” fix can cost more if you leave early.

What to have ready (2 minutes)

Postcode: Determines your electricity region and available tariffs.
Meter type: Credit, prepayment, smart, Economy 7/10.
Approximate annual usage: If you’re unsure, use your bill, your in-home display, or a realistic estimate (we show examples below).

Compare tariffs for your postcode (whole-of-market where available)

Tell us a little about your home and we’ll identify tariffs that can be good value for a single person — including options that keep standing charges sensible without overpaying on the unit rate.

Privacy & consent: By submitting, you’re asking EnergyPlus to contact you about energy quotes. We’ll use your details to process your request and may contact you by phone/email. Terms vary by supplier.

What happens next

We match your postcode, meter and payment preference to available tariffs.
We show estimated annual costs using your usage (or a reasonable estimate if you’re unsure).
You can review key terms (standing charge, unit rate, contract length, exit fees) before deciding.

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How to choose the cheapest electricity tariff for one person

“Cheapest” should mean lowest estimated annual cost for your home, with terms you can live with. For a single person, the decision often comes down to balancing standing charge, unit rate and flexibility.

Step 1: Estimate your electricity use

If you have a recent bill, use your kWh (not £).
If you have a smart meter, check your in-home display/app for weekly or monthly totals.
If you’re unsure, start with a low-use assumption and compare sensitivity (we show examples below).

Step 2: Compare standing charge vs unit rate

You pay the standing charge every day, even if you use very little. If you live alone and are often out, it can be the difference between a “cheap” tariff and an expensive one.

Tip: When comparing two tariffs, calculate the break-even point: how much usage would justify a lower unit rate if the standing charge is higher.

Step 3: Check tariff structure and terms

Fixed: price locked for a set term; may include exit fees.
Flexible/variable: can change; usually no exit fees.
Time-of-use: cheaper at certain times; only worthwhile if you can shift usage.
Payment method: Direct Debit often priced lower than pay-on-receipt.

Renters and flats: you can usually switch supplier if you pay the energy bills, but your options can be limited by meter type (including some prepay setups) or if bills are included in rent.

Two realistic single-person scenarios (with numbers)

These examples use simplified maths to show why standing charges matter for one person. Your actual quotes depend on your region, supplier and meter.

Scenario A: Low-use flat (often out)

Assumptions: 1 adult, electric cooking, no electric heating. Annual use 1,400 kWh. Single-rate electricity. Direct Debit.

Tariff (example)	Unit rate	Standing	Est. annual cost
Tariff 1: Lower standing, slightly higher unit	27p/kWh	45p/day	~£543
Tariff 2: Higher standing, lower unit	24p/kWh	65p/day	~£573

Calculation shown: annual = (kWh × unit rate) + (365 × standing). VAT/discounts not applied here; supplier rounding may differ.

Scenario B: Home worker (more daytime use)

Assumptions: 1 adult WFH most days, more appliance use. Annual use 2,200 kWh. Single-rate electricity. Direct Debit.

Tariff (example)	Unit rate	Standing	Est. annual cost
Tariff 1: Lower standing, slightly higher unit	27p/kWh	45p/day	~£759
Tariff 2: Higher standing, lower unit	24p/kWh	65p/day	~£765

In higher-use cases the cheaper unit rate can start to catch up, but the standing charge still matters.

Important: These are illustrative examples, not live market prices. Your quotes may include additional features (bundles, rewards), different contract terms, and supplier-specific pricing by region and meter configuration.

Tariff types compared (what tends to suit a single person)

Use this table to narrow down the type of tariff to compare. Always confirm the standing charge, unit rate and contract terms in your own postcode.

Tariff type	Often good for	Watch outs	Single-person tip
Single-rate (standard)	Most homes without storage heating	High standing charges can dominate low use	Compare “estimated annual cost” first, then check unit/standing split
Fixed price	Budget certainty	Exit fees, longer terms, variable discounts	If you might move, prioritise low/no exit fee
Flexible / variable	Flexibility, fewer lock-ins	Rates can change with notice	Good if you want to switch quickly when a better fix appears
Economy 7	Storage heating / high overnight usage	Day rate often higher; not ideal if you’re mostly daytime usage	Only consider if a meaningful share of usage is off-peak (often 30–40%+)
Smart time-of-use	People who can shift usage (EV, dishwasher overnight)	Peak windows can be expensive; requires smart meter	Check your routine first—if you can’t shift, it can cost more

Decision checklist (quick yes/no)

Do you know your meter type? If not, a quote can still be produced, but accuracy improves if you confirm it.
Are you likely to move in the next 12 months? Prefer short fixes or low/no exit fees.
Is your usage low? Give extra weight to standing charge.
Can you pay by Direct Debit? Compare it against pay-on-receipt if cash flow varies.
Do you actually use power overnight? Only then consider Economy 7/time-of-use.

Who this page is for (and who it isn’t)

Suits: UK renters/homeowners paying their own electricity bill, especially one-person flats/houses looking to reduce overall annual cost.

May not suit: homes where electricity is included in rent/service charge, or complex landlord-managed supplies (you may not be able to switch).

EnergyPlus focuses on domestic energy comparisons. For business premises, different contracts apply.

Costs, exclusions and common pitfalls (single-person specific)

A tariff can look cheap but end up costing more once you factor in how you actually use electricity and the contract terms.

1) Standing charge dominates low use

If you live alone and keep usage down, a higher standing charge can wipe out the benefit of a lower unit rate. Always compare annual cost, not only p/kWh.

2) Economy 7 without the right pattern

Economy 7 can be expensive if most of your usage is daytime (WFH, cooking, TV/computer). Check your off-peak share before switching.

3) Exit fees and contract length

A “cheap” fixed tariff can have an exit fee. If you might move, or want flexibility, consider shorter terms or tariffs without exit fees.

4) Payment method pricing

Direct Debit is often priced lower than paying on receipt of bill. But if you prefer control, compare both and check how the supplier sets Direct Debit amounts.

5) Prepayment meter limitations

Some tariffs are not available for prepayment. If you’re on prepay, consider whether switching to credit is possible and appropriate (it can involve checks and installation).

6) Discounts and extras can distract

Rewards, vouchers and bundles may not outweigh ongoing rates. For one person, ongoing costs (standing + unit) usually matter more.

If you’re in debt: switching can be restricted in some situations. Citizens Advice explains how switching works if you owe money to your supplier.

Read Citizens Advice guidance on switching energy supplier

FAQs: cheapest electricity tariff for a single person (UK)

Is there a cheapest electricity supplier for single people?

Not nationwide. “Cheapest” varies by region (postcode), meter type and payment method. The best approach is comparing tariffs using your details and looking at the estimated annual cost.

Why do I pay a standing charge if I live alone?

Standing charges cover fixed costs such as maintaining the network and metering. You pay it daily regardless of usage, which is why single-person households often feel it more strongly.

Is a fixed tariff always cheaper than variable?

No. Fixed tariffs can be cheaper or more expensive depending on the market and supplier pricing. Fixed gives price certainty, while variable is more flexible. Always compare total estimated cost and check exit fees.

Do I need a smart meter to get the cheapest tariff?

Not necessarily. Many competitive tariffs are available without a smart meter. However, some time-of-use deals require one, and smart readings can improve billing accuracy and help you track usage.

I rent. Can I switch electricity supplier?

Usually yes if you’re responsible for paying the bill. If bills are included in your rent, or the landlord manages the supply, you may not be able to switch. Meter type can also affect which tariffs are available.

How long does switching take in the UK?

Switching times can vary by supplier and circumstances, but domestic switching is typically designed to be quick. Your new supplier will confirm timings and any cooling-off period.

Should a single person choose Economy 7?

Only if you can use a meaningful share of electricity off-peak (often via storage heating, hot water tanks or overnight appliances). If you’re mostly daytime usage, it may cost more.

What if I don’t know my annual kWh usage?

You can still compare. Start with a reasonable estimate and then sense-check with your first bill or smart meter data. When you get quotes, ask for the assumed kWh and adjust to see how the ranking changes.

Trust, methodology and sources

Editorial details

Written by: EnergyPlus Editorial Team
Reviewed by: Energy Specialist
Last updated: April 2026

How we assess “cheapest” for a single person

We treat “cheapest” as the lowest estimated annual electricity cost for a one-person household, while highlighting terms that can change the outcome (standing charge, unit rate, contract length, exit fees, payment method).

Assumptions used in examples: single-rate electricity, Direct Debit, and typical low-to-moderate one-person kWh figures (shown in each scenario).
What we prioritise for one-person homes: standing charge sensitivity, no/low exit fee where moving is likely, and avoiding mismatched tariff types (e.g., Economy 7 without off-peak load).
Limitations: We do not publish a single universal “cheapest supplier” because UK pricing differs by region, meter configuration, eligibility and supplier commercial decisions. Live quotes may differ from illustrative maths.

Sources (UK)

Ofgem (UK energy regulator) — consumer rules, market information and tariff structures.
Citizens Advice: Energy — switching guidance, billing and consumer rights.
GOV.UK — general guidance on household costs and support schemes when applicable.

We aim to keep this guide accurate and practical. If you spot something that looks out of date, please contact EnergyPlus with the relevant page section.

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Updated on 16 Apr 2026