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Tariffs

Our range of flexible domestic tariffs are designed to match your lifestyle and meet your home energy needs, from lighting to whole house heating.

View all tariffs

Popular tariffs

General Domestic
One rate for all units used, day or night. Suitable if you don't regularly use electricity to heat your home or water.
Economy 7
A two-rate tariff with seven hours of cheaper electricity at night. Suitable if you can heat water or store heat at night.
Economy 20
A flexible two-rate tariff offering 20 hours of cheaper electricity for approved space and water heating.
Economy 20 Plus
Three-rate, uninterrupted tariff offering 20 hours of cheaper electricity for approved central heating and hot water systems.
Comfort Heat
Eight hours of cheaper electricity for approved heating systems, and eight hours of cheaper electricity for other appliances.

Specialist tariffs

Standard Domestic Maximum Demand
A single-rate tariff for large homes that require a service capacity greater than 100A (three phase).
Economy 7 Domestic Maximum Demand
A two-rate tariff, giving cheaper electricity at night for large homes requiring a service greater than 100A.
Economy 8
A two-rate tariff offering two set periods of cheaper electricity to suit storage heating and hot water systems.
Green Export Guarantee Domestic
Single-rate tariff for customers with approved embedded generators who want to sell excess units back to the grid.

Quick Links

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Electric transport

Jersey's move to electric is gathering speed. Join the conversation and learn more about making your own move to electric transport.

Electric cars & vans
Ebikes and electric motorbikes
Charging
Evolve Public Charging
Home Charging
Set up guide

Quick Links

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For home Tariffs Economy 20 Plus
Feet on a radiator

Economy 20 Plus at a glance

Economy 20 Plus provides 24 hours of uninterrupted electricity for approved heating and hot water systems.

This includes 20 hours of cheaper electricity for your heating and hot water.

All other appliances run on the General Power and Lighting Rate at all times (see below).

A young girl runs down the stairs in a modern electric home.

Who is it for?

Economy 20 Plus is suitable for homes with approved:

  • Electric central heating
  • Electric underfloor heating
  • Smart electric heaters
  • Electric flow boiler
  • Heat pump

The approved system needs to be connected to a dedicated heating or hot water circuit. For example, electric heaters can't just be plugged into a socket.

If you are uncertain whether your heating equipment is suitable for this tariff, our Customer Care team will be happy to advise you.

Explaining the rates

Economy 20

20 hours of cheaper electricity in any 24 hours for approved heating and hot water systems.

Economy 20 Plus

For electricity used by approved heating and hot water during four peak hours: 1pm to 3pm and 5pm to 7pm.

General Power and Lighting

For all other appliances at all times.

Key features

Flexible three-rate tariff

20 hours cheaper electricity for approved heating and hot water systems

All other appliances run on the General Power and Lighting Rate at all times

Tariff rates

The card below shows the current rates for the Economy 20 Plus tariff. These rates include GST and are subject to change.

Rates effective from 1 January 2024.

Economy 20 Plus

Price per unit

Economy 20 14.09p
Economy 20 Plus 20.15p
Power & Lighting 20.15p

Service charge per day

Single Phase 26.07p
Three Phase 57.92p

All rates are inclusive of GST

Know your tariff

Our range of low-cost tariffs offers an ideal solution for all your heating needs. Find out more about our tariffs in the below video.

A woman uses a computer in a cosy looking home office.

Other tariffs

We offer a range of tariffs to suit your needs. If Economy 20 Plus doesn’t sound right for you, take a look at these alternative tariffs.

Economy 20

A flexible two-rate tariff offering 20 hours of cheaper electricity for approved space and water heating.

Learn more

Economy 7

A two-rate tariff which gives you seven hours of cheaper electricity at night.

Learn more

Comfort Heat

A three-rate tariff with eight hours of cheaper electricity for approved space and water heating, and also eight hours of discounted electricity for other appliances.

Learn more
Lyndsey Noel

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Let us know what went wrong and how we could improve it. We're unable to reply to questions submitted on this form. If you have a query, please email the team at jec@jec.co.uk .

Your Customer Number

Your 5 character Customer Number can be found in the top right and bottom left corners of your bill.

Example electricity bill with the customer number highlighted

Daily Service Charge

The Daily Service Charge covers energy support services such as metering, billing, Customer Care, safety obligations and other energy support services.

Off-peak

Off-peak means not at the most popular time. Some of our tariffs provide discounted rates at off-peak times - for example, during certain periods at night.

Off peak charging times

Our current off peak electric vehicles times are from 00:00 to 06:59.

Dedicated supply circuit

A dedicated supply circuit is an electrical circuit that is set aside for a specific purpose, such as powering a boiler. It will work with a single appliance only.

It will have its own circuit breaker in your fuse box, and no other device or appliance will be able to draw power from it. A dedicated supply circuit ensures that appliances can draw the current they need without overloading your system, blowing a fuse or tripping an electric circuit.

Invoice Number

This can be found on the top right corner of your bill here

Example electricity bill with invoice number

Premise Number

This can be found on the top right corner and bottom left corner of your bill.

Example electricity bill with premise number highlighted

Payment Slip

This can be found at the bottom of your bill here

Bill payment slip example

Peak Load

Peak load or peak demand is a short period when the demand for electricity is at its highest.

Kilowatt Hours

Electricity consumption is usually measured in kilowatt hours, or kWh for short. Each kWh of electricity equates to 'one unit of electricity' for billing purposes. A 1kW (1,000 Watts) appliance in use for one hour = 1kWh (one unit). The cost per unit used depends on which tariff you are on.

Three phase

Residential homes are usually served by a single-phase power supply, while commercial and industrial facilities usually use a three-phase supply.

One difference between single-phase and three-phase is that a three-phase power supply better accommodates higher loads. Single-phase power supplies are most commonly used when typical loads are lighting or heating, rather than large electric motors.

Another important difference between 3-phase power and single phase power is the consistency of power delivery. Because of the variations in voltage, single-phase power supply does not offer the same consistency as a three-phase power supply. A three-phase power supply delivers power at a steady, constant rate.

kVA

A kVA is simply 1,000 volt-amps. A volt-amp, or ampere, (VA) is the voltage times the current feeding an electrical load.

Embedded generator

Embedded generators like wind turbines and solar panels are connected to your electricity supply and provide electricity for onsite use. They also have the capability to export back to the grid.

Smart Card Number

Your Smart Card Number is the 19-digit number displayed below the barcode on your Smart Card.

The Smart Card Number also contains your six-digit Meter Number that is also displayed on your meter. You need this to top up a Smart Pay As You Go Meter whether at a Payzone outlet or online.

Example of Smart card for meter charging

Smart Card

A Smart Card contains your unique Smart Card Number used when topping up a Smart Pay As You Go Meter.

Example of a smart card for meter charging

F-Credit

F-credit is a Pay As You Go meter display and means Friendly Credit. It is the period between 9pm and 8am. If the credit on your meter runs out during this period, your supply will remain on until 8am.

Decarbonise

The process of reducing carbon by replacing fossil fuels with fuel that is less harmful to the environment such as low-carbon electricity.

Regenerative braking

With conventional braking systems, the kinetic energy that was propelling the vehicle forward gets converted to unwanted and wasted heat by the friction of the brakes.

Regenerative braking recaptures much of the car's kinetic energy and converts it into electricity, so that it can be used to recharge the car's batteries.

In addition to improving the efficiency of a vehicle, regeneration can significantly extend the life of the braking system, as the mechanical parts will not wear out as quickly.

Power factor

Power factor is the ratio of useful power in kilowatts (kW) to apparent power, measured in kilovolt amperes (kVA). A perfect power factor would be 1.0, however in reality this is almost impossible to achieve. Office buildings are usually between 0.98 and 0.92. Bad power factor is anything below 0.85.

Electric flow boiler

Electric flow boilers are simple to install, quiet in operation, 100% efficient and integrate into most existing radiator or underfloor piped systems. Plus, with no flue or storage tank, an electric boiler is a space-saving option that can be installed almost anywhere in your home.

Approved heating system

A heating system, approved by Jersey Electricity, on a dedicated supply for use on one of our discounted heating tariffs.

To learn more about what's required for an approved heating system, view our current approved heating guidelines.

20-digit payment code

The 20-digit payment code is issued with your receipt for a Pay As You Go (PAYG) meter top-up. If your meter did not charge automatically, you can do it manually with the payment code. Press button A on your meter then key in your 20-digit payment confirmation code on the meter keypad, then press button B. Your meter will recognise the amount paid and charge accordingly.

Single phase

Single-phase power supplies are most commonly used when typical loads are lighting or heating, as in a domestic home, rather than large electric motors and higher loads. Single-phase power is a two-wire alternating current (AC) power circuit.