About embedded generators
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.
JE provides the remainder of the electricity demand to the site, including a backup service when an EmG is not operational.
Types of generator
Typical examples of embedded generators that may qualify for our Green Export Guarantee tariff include:
- Wind turbines
- Photovoltaic (solar panels)
Embedded generators must be:
- Up to a facility size of 70kWp 3 Phase / 20kWp Single Phase
- Approved by Jersey Electricity under Engineering Recommendations G83/2 or G59/3, depending on the rating of the generator
- Connected in parallel to our network
Installations above 70kWp will be reviewed on a case-by-case basis. Typical kW peak refers to the maximum rating of the EmG.
For further advice contact our Customer Care team.
Tariff rates
The card below shows the current rates for the current Green Export Guarantee tariff. These rates are subject to change.
Rates effective from 1 January 2024.
As of 1 January 2025, the below rates for the Green Export Guarantee will be changing to 9.3p Price per unit. These rates are subject to change.
Buy Back Domestic
Price per unit
General Domestic service charges per day
Other tariffs service charges per day
All rates are inclusive of GST
Standby Charge
We currently have no plans to implement the Standby Charge for domestic customers who have embedded generation, but who require backup services and power from the grid. We will keep this situation under review.
We don't consider home storage batteries to be embedded generators for the purpose of the Standby Charge. However, they must be installed in compliance with the relevant Engineering Recommendations.
FAQs
What is the Green Export Guarantee?
The Green Export Guarantee is how JE purchases electricity exported from small renewable generators on the Island (for example solar panels on a roof). The Green Export Guarantee tariff pays a set price for all electricity exported from an applicable generator, the rate is published above.
What is the Green Export Guarantee eligibility?
The Green Export Guarantee is for all renewable generators below 70kW (70kW is approximately 100-250 solar panels). There may be different rates for domestic and commercial customers. Other requirements, such as the correct metering and a certified installation are applicable.
How is the price set?
The tariff rate is set to reflect the value of the exported power to JE, this is equivalent to the offset cost of buying electricity from France and importing it through the interconnector. As most of the generation is from solar panels, the rate is weighted towards the value of electricity in the middle of the day and in summer.
In general the export will follow other JE tariffs (e.g. the domestic supply tariff) but may vary sometimes, especially if the price of electricity in the winter evenings increases more relative to when the Green Export Guarantee volume occurs.
The tariff will be recalculated annually and will reflect a fair and reasonable price in line with the commitments in our Customer Charter.
Will there be future changes to the Green Export Guarantee?
We reserve the right to make reasonable changes to the terms of the Green Export Guarantee and will endeavour to ensure any changes are within the principles set out in our Customer Charter of being fair, secure, reliable and sustainable.
Our terms
The terms of the Standard Export Agreement which are set out below will be applicable in addition to our General Terms and Conditions of Supply.
STANDARD EXPORT AGREEMENT
This agreement relates to the supply of electricity by you to us as a customer.
1. DURATION OF THE STANDARD EXPORT AGREEMENT
This agreement starts from the time that an export meter is installed and commissioned under Clause 2 below and will continue until it ends under Clause 4 below, and following the end of this agreement we will be entitled to remove the export meter at our discretion.
2. EXPORT VOLUME, MEASUREMENT AND PRICE
Subject to us approving (in our unfettered discretion) your generation facility and your request for an export meter, we will install and commission an export meter at your Premises. The installation of the export meter may incur charges, which we will communicate with you prior to installation.
We will obtain readings from your export meter periodically and based on the kWh exported by you in accordance with those readings your regular bill will be credited in arrears. The applicable tariffs per kWh will be those published by us from time to time on our website – www.jec.co.uk.
The provisions of the General Terms and Conditions for Supply (including but not limited to clauses 4 and 5) shall apply to the export meter.
3. EXCLUSIVITY
Where an export meter is installed by us at the Premises, you are not permitted to supply electricity to anyone other than us.
4. ENDING THE STANDARD EXPORT AGREEMENT
This agreement will end when one of the following occurs.
• You advise us that you no longer wish to generate electricity at the Premises.
• You enter into a power purchase agreement with us in respect of the generation of electricity from the Premises.
• You advise us that you no longer either own or occupy the Premises at which the generation facility is situated, in accordance with Clause 7 of the General Terms and Conditions for Supply.
• You have breached any provision of this agreement or the General Terms and Conditions for Supply, or circumstances arise which legally entitle us to end this agreement for safety reasons and we write to you to advise you that this agreement is ended.
• We choose to terminate this agreement for any reason, provided we give you 30 days written notice.
5. GENERAL
• We may vary the terms of this Standard Export Agreement at any time, and any such variations will come into effect one month after publication on our website.
• The provisions of the General Terms and Conditions for Supply, and the Standard Connection Agreement shall apply to this Standard Export Agreement.
