Electric Heating | Guernsey Electricity
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Electric Heating

Electric heating

Switching to electric heating is part of our island's vision to decarbonise and protect our environment for the future. An oil or gas boiler installed today could be polluting our air for the next 15-20 years. Electric heating could be 100% renewable in less than half that time.
Book your free home survey

There are many good reasons to switch to cleaner, greener heating that doesn't cost the earth. 

  • Convenience

    Say goodbye to fuel deliveries, fuel monitoring, property flues, storage tanks – and multiple energy bills. Power, light and heat your home with cleaner energy delivered straight to your door, on demand, 24/7.  

  • Cleaner air

    Have you ever noticed an all-electric house has no flue? That’s because it doesn’t produce any waste emissions as 100% of the electricity used to power the system is used to heat the home. That means cleaner air for you and your loved ones to breathe.    

  • Cost effective

    Like a car engine, a fossil-fuel boiler will cost more to run as it loses efficiency over time. Plus if you’re heating with gas, this is the most expensive way to heat a property and will be costing you around 30% more than those on electric. 

Electric Heating
  • Compare Heating Costs

    Compare the costs of heating your property with oil, gas or electric against electric or air source heat pump

    Compare From



    Compare To

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    Tariff Superheat Tariff Heat Pump Tariff Super Economy 12 Tariff (low rate)
Discover our heating products
  • Superheat Tariff
    This is a tariff exclusively available for electric heating and is metered separately to lighting and power
    Tariffs
  • Electric Boilers
    Practically 100% efficient. These compact, wall-mounted units can often replace an existing gas or oil boiler and are a popular way to convert to electric.
    Boilers
  • Electric Panels & Radiators
    Stylish and convenient. These provide almost instant heat and are a perfect solution for smaller rooms and those used less frequently
    Electric Panels and Radiators
  • Underfloor heating
    Even warmth underfoot. Underfloor heating always works best on flooring that conducts heat well such as stone, laminate and vinyl.
    Underfloor heating
  • Storage heaters
    Simple, safe and low-cost. Modern storage heaters feature intelligent controls and insultation meaning you can enjoy comfortable heat generated during off-peak electricity times.
    Storage heaters
  • Air source heat pumps
    300% efficient heat. Electric air source heat pumps are the least expensive way to heat your property and have the lowest carbon intensity of any heating type.
    Storage heaters
  • Water heating
    Clean, reliable hot water. These cylinders can be used as your property’s main water heater and can be installed with a timer to take advantage of the low-rate electricity tariff.
    Water heating
  • Heated towel rails
    Elevated bathroom style. Perfect for keeping your bathroom warm and drying clothes and towels safely.
    Heated towel rails
Why Switch?

Your lifestyle will decide how you need to heat your home. If you have a regular routine, you can set timers for the heating to come on when you need it.

And if you come and go, use a smartphone app to set your heating remotely and make sure your home is warm according to your schedule.

  • 93%
    of electricity comes from renewable sources
  • 4x
    Less carbon than gas and oil to benefit the island and you.
  • No Co2
    emissions around your property for better air quality

Frequently Asked Questions

Making the switch to electric heating is a fantastic investment for your property. Like any property upgrade, the installation will take time to complete and we want to help answer your questions before you make the decision to change. 

Book a free home survey
How do electric boilers work?

Boilers work by running water past an element that's heated by electricity, gas or oil. This heated water then passes through the rest of your home's heating system through pipes to heat your home.

Unlike gas and oil, the 'fuel' to heat this water arrives at your home ready-to-use, meaning no energy is wasted and nothing needs to be burnt to produce heat.

This is why houses that heat with electricity emit no greenhouse gas emissions from the property. 

Are electric boilers difficult to install?

The actual boiler itself is fairly simple to install and you can often keep the same pipes, radiators and controls as your current system.

Something about single phase and 3 phase here? 

However connecting your boiler up to the underground electricity network will take some time and you may need a new supply cable installed to connect your property with the main cable supply in the road. 

IMPORTANT: Please read this information

Link to installer tracker page 

Which tariff will my electric heating use?

Electric boilers, radiators and underfloor heating

Superheat 24 hour tariff.

This tariff was designed exclusively for electric heating and runs at a low-rate 24 hours a day. 

Electric heating appliances connected to Superheat must be wired on a separate circuit and connected to a separate distribution board.

Storage heaters 

Super Economy 12 tariff.

The refers to 12 hours out of 24 when you can run your heating using low-rate electricity. This is made up of 2 hours during the day and 10 hours at night. Storage heaters work by storing heat generated using low-rate electricity overnight and releasing that heat during the day. 

Water heating and towel rails 

These are usually on a Super Economy 12 tariff. 

However they can also be moved to the Superheat Tariff if the primary heat source in the property is electric and also connected to the Superheat Tariff.

If you heat with gas or oil, you cannot have your water heating or towel rails connected to a Superheat tariff. 

Air source heat pumps

Heat pump tariff.

This is available for separately metered supplies to permanently connected heat pumps and includes ancillary controls, pumps and flange elements directly associated with the heat pump installation.

“If you want an economic and more controllable way of heating your home, electricity is the way forward.


I thoroughly recommend it. It is simple to operate, and I feel happier that my individual home is not pumping out fumes into our lovely environment.”

Heating customer
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