T · Tariffs and grants
Tariffs and grants
SEG, BUS, OZEV, supplier tariffs, switching.
Grants, VAT and public schemes
Boiler Upgrade Scheme technology categories
The technology categories the Boiler Upgrade Scheme funds, the grant for each and the conditions and capacity limits that apply.
Boiler Upgrade Scheme voucher process
How a BUS grant is applied for through the installer, the customer consent step, the installation deadlines and how the money is paid.
ECO4 Energy Company Obligation
Supplier-funded energy efficiency and heating scheme for eligible low-income, fuel-poor and vulnerable households in Great Britain.
ECO4 heating measures
Supplier-funded support for eligible low-income and vulnerable households.
Great British Insulation Scheme
Insulation support that can change heat pump readiness.
Great British Insulation Scheme vs ECO4
GBIS insulation focus compared with wider ECO4 retrofit support.
Home Energy Scotland funding
Scottish loans and grants for heat, solar and storage.
Legacy FIT repowering
Replacing old FIT kit without risking payment eligibility.
Nest Warm Homes Wales
The Welsh Government fuel poverty scheme that gives eligible households free energy advice and home energy improvements.
OZEV landlord chargepoint grants
The EV Chargepoint Grant for Residential Landlords: what it pays, who qualifies, the property and parking conditions and how the application and payment work.
OZEV renter and flat owner chargepoint grant
Home charger support for eligible renters and flat owners.
SEG eligibility
Supplier export payments for eligible small-scale generation.
SEG export metering and MPANs
The export meter, export MPAN and reading requirements that sit between an eligible installation and SEG payments.
Zero-rated VAT on energy-saving materials
VAT treatment for installed solar, batteries, EV chargers and heat pumps.
Supplier landscape
British Gas supplier profile
Legacy supplier with fixed, EV, heat pump and SEG offers.
E.ON Next supplier profile
Major supplier with smart tariffs for EV, heat and batteries.
Ecotricity supplier profile
Green Stroud-based supplier: its renewable fuel mix, the price-cap-exempt Green Variable tariff, the EV tariff, the 16p Smart Export Tariff and its service record.
EDF Energy supplier profile
Large zero-carbon generator with EV, heat pump and export products.
Good Energy supplier profile
Renewables specialist with EV, heat pump, export and installation services.
How to compare UK energy suppliers
A whole-bill and service method for comparing domestic energy suppliers and smart tariffs.
Octopus Energy supplier profile
What Octopus Energy is as a supplier, its scale and financial backing and the range of import and export tariffs it runs for homes with EVs, solar, batteries and heat pumps.
OVO Energy supplier profile
OVO Energy's tariffs, export rates, EV and heat pump offers, environmental record, regulatory history and the pending E.ON acquisition, for owners weighing it as a supplier.
ScottishPower supplier profile
Iberdrola-owned Big Six supplier with EV, heat pump, solar and export tariffs and its own installation arm.
So Energy supplier profile
So Energy's ownership, supply tariffs, export offers and domestic low-carbon services.
UK energy supplier landscape
How Great Britain's domestic supply market is structured, regulated and protected when a supplier fails.
Supplier-specific tariffs
British Gas EV tariff
British Gas EV Power, an overnight two-rate import tariff needing a smart electricity meter.
British Gas Heat Power
British Gas Heat Power, a time-of-use electricity tariff that halves the unit rate for ten hours a day and refunds the discount as a weekly credit, covering eligibility, rates, switching, the PeakSave interaction and how it compares with other heat pump tariffs.
Cosy Octopus and Intelligent Flux
Heat pump and battery tariffs using managed operation and peak windows.
E.ON Next Drive
Overnight EV-focused tariff with smart setup checks.
E.ON Next Pumped
Heat pump time-of-use tariff with super off-peak window.
EDF GoElectric
Seven-hour overnight off-peak tariff for EV users.
Octopus Agile and Tracker
Agile, Tracker and wholesale-linked import tariff mechanics.
Octopus Go and Intelligent Go
Go, Intelligent Go and managed EV charging tariff mechanics.
Octopus Outgoing export tariffs
Eligibility, application, metering and contract terms for Octopus Energy's Outgoing export tariff range.
Outgoing Octopus: flat, Agile or Prime?
Choosing between Octopus Energy's flat, half-hourly and peak-window Outgoing export tariffs.
OVO Charge Anytime
Smart-charging add-on for compatible EVs or chargers.
ScottishPower EV Saver
Cheap overnight EV rate with smart meter and charger requirements.
So Energy So EV
So EV, So Energy's whole-home overnight off-peak EV tariff, needing a smart meter on half-hourly readings.
Tariff comparison and flexibility
Cross-supplier heat pump tariff comparison
How UK heat pump electricity tariffs compare on off-peak windows, peak penalties, eligibility, exit fees and load shifting, as a July 2026 market snapshot.
EV tariff charge windows
Off-peak windows, managed charging and whole-home effects.
Export tariff switching across suppliers
Export MPAN, MCS evidence, smart readings and import-switch sequencing.
Powerloop and aggregator EV dispatch
V2G, supplier aggregation, export windows and customer constraints.
Premium export tariffs tied to installation
When high export rates require import supply or installed assets.
SEG rates across UK suppliers
How UK suppliers set SEG export rates, the range across the market, customer-only and installer-linked tiers, tariff types and why rates change.
Standing charges and regional variation
How standing charges work, why they vary and how to compare them with unit rates.
Supplier exit and switching for time-of-use tariffs
Exit terms, meter data, device eligibility and export-contract checks when leaving or joining time-of-use tariffs.
Tariff stacking
Combining export, smart import and managed-load tariffs.
Virtual power plant participation
Aggregator control of home batteries for grid flexibility.