Green energy tariffs savings in the UK (compare & switch)

Compare green energy tariffs and see your potential savings

Green energy tariffs can be competitively priced, but savings depend on your region, meter type (smart, credit or prepayment), and whether you choose a fixed, variable or tracker deal. EnergyPlus helps UK households compare whole-of-market options and switch with confidence.

To get started, tell us where you live and how to contact you. We’ll use this to match you to available tariffs and guide you through the next steps.

What you’ll get

• A clear view of green tariff choices available for your postcode
• Help understanding renewable electricity claims and supporting evidence
• Guidance on switching timelines and what happens to your supply

Matches your electricity with renewables

The supplier can match customer consumption with renewable generation via mechanisms such as Renewable Energy Guarantees of Origin (REGOs) and/or direct power purchase agreements.

Invests in renewable projects

Some suppliers support new renewable capacity through investment, long-term contracts, or additional environmental commitments beyond certificate matching.

Offers “green gas” options

Where available, this can mean biomethane injection, carbon reduction schemes, or other products. It’s important to read the tariff details to understand what’s included.

Budget certainty (fixed options)

Fixed green tariffs can help you plan ahead. If your current deal is ending, comparing fixed options can reduce the risk of a price jump.

Potential savings vs default rates

If you’re on a standard variable tariff, there may be lower-priced green deals available depending on market conditions, your region and payment method.

Lower carbon impact choices

A well-evidenced green tariff can help you align household energy with renewable sourcing and supplier commitments.

Flexible options for uncertain plans

Variable green tariffs can suit renters or households likely to move. You’ll still want to compare unit rates and standing charges.

Smarter matching to your usage

With smart meters and time-of-use tariffs (where offered), you may save by shifting energy use to cheaper periods.

Less hassle than you think

Switching typically doesn’t interrupt supply. Your new supplier handles the process and you keep using energy as normal.

The simple calculation

Where the savings usually come from

• End of fixed deal: when a fix ends, households can drift to a more expensive default rate.
• Tariff mismatch: your usage pattern may suit a different structure (e.g., time-of-use where available).
• Standing charge differences: some tariffs trade a higher unit rate for a lower standing charge (or vice versa).
• Market movement: fixed/tracker pricing can change—comparing at the right time matters.

Unit rate & standing charge
Compare both for electricity (and gas if dual fuel).

Renewable evidence
Look for clear statements on sourcing and supporting schemes.

Fees & terms
Exit fees, fixed term length, and what happens at renewal.

Comparing without annual usage

If you only look at headline prices, you can miss how standing charges and unit rates interact with your kWh usage. If you don’t know your usage, a recent bill can help estimate it.

Ignoring exit fees

Leaving a fixed tariff early may cost more than the savings you’ll make. Compare the exit fee against projected savings over the remaining term.

Assuming “green” means the same thing everywhere

Different suppliers describe green credentials differently. Look for clear sourcing information and avoid relying on labels alone.

Choosing a tariff type that doesn’t suit you

A tracker can move up as well as down; a time-of-use tariff can penalise heavy peak-time usage. Pick the structure that matches your lifestyle.

Will switching interrupt my electricity or gas supply?

No—switching supplier is an administrative change. Your energy continues to flow through the same pipes and wires.

Can a green tariff be cheaper than a standard tariff?

Yes. “Green” describes how electricity is sourced/matched and the supplier’s commitments—it doesn’t guarantee a higher price. The cheapest option depends on availability and your usage.

Do I need a smart meter for a green tariff?

Not usually. Some smart-only or time-of-use tariffs require one, but many green tariffs are available on standard meters too.

Is “green gas” the same as renewable electricity?

No. Green gas options vary by supplier and may involve biomethane injection or carbon reduction schemes. Always check what the tariff includes.

What details should I have ready to compare?

Your postcode, current supplier/tariff, payment method, and an estimate of annual usage (kWh) if you have it. If you don’t, we can still start with postcode and contact details.

How long does a switch take?

Timelines vary by supplier and circumstances, but switching is typically completed in a matter of days to a few weeks. We’ll explain what to expect for your chosen tariff.

“Clear explanation of the differences.”

I understood the standing charge and unit rate impact for my usage, and the green credentials were explained in plain English.

— Homeowner, North West

“Switching was straightforward.”

I was worried it would be complicated. The steps were simple and there was no disruption to supply.

— Renter, London

“Found a better fit for my budget.”

I wanted a greener option but didn’t want to overpay. Comparing whole-of-market helped me choose confidently.

— Family household, Yorkshire