Cost of green and non-green energy

Summary

The requester asked Manx Utilities Authority for annual quantities and unit costs of green versus non-green electricity imported via the interconnector for the years 2018/19 through 2023/24. The authority responded by providing all requested information in a table, noting that figures for 2020/21 were also included for completeness.

Key Facts

• Manx Utilities Authority confirmed that green electricity from the interconnector costs more than non-green electricity.
• Renewable Energy Certificates of Origin are purchased to certify electricity as green.
• The response provided data for the requested years plus an additional year (2020/21) for completeness.
• The authority stated that all information requested was sent.
• The request was processed under the Freedom of Information Act 2015.

Data Disclosed

• £176.73 per MWh
• 2022/23
• 2018/2019
• 2019/2020
• 2021/22
• 2023/24
• 2020/21
• 4107653
• 3963453
• 2024-09-05
• 2024-09-19

Original Request

On 1 Aug 2024, in response to FOI 3963453, MUA stated that the average cost of electricity received through the interconnector, for the year 2022/23, was £176.73 per MWh and that 'Green electricity from the interconnector is at a higher cost. Renewable Energy Certificates of Origin are purchased to certify it is green'. For each of the following years, please provide answers separately per year for the questions listed below. 2018/2019 2019/2020 2021/22 2022/23 2023/24 1. For each year, what quantity of green energy, in MWh was purchased via the interconnector? 2. For each year, what is the unit cost, per MWh, of the above green energy? 3. For each year, in MWh, what quantity of energy not classified as "green" nor accompanied by the purchase of a Renewable Energy Certificate of Origin, was purchased via the interconnector? 4. What is the unit cost, per MWh, for the non-green energy described in question 3 above.

Data Tables (1)

Full Response Text

Manx Utilities PO Box 177, Douglas Isle of Man, IM99 1PS

e: enquiries@manxutilities.im t: 01624 687687 www.manxutilities.im

Our ref: 4107653 19 September 2024

Dear ###

We write further to your request, received 5 September 2024, which states:

"On 1 Aug 2024, in response to FOI 3963453, MUA stated that the average cost of electricity received through the interconnector, for the year 2022/23, was £176.73 per MWh and that 'Green electricity from the interconnector is at a higher cost. Renewable Energy Certificates of Origin are purchased to certify it is green'.

For each of the following years, please provide answers separately per year for the questions listed below.

2018/2019

2019/2020

2021/22

2022/23

2023/24

1. For each year, what quantity of green energy, in MWh was purchased via the interconnector?

2. For each year, what is the unit cost, per MWh, of the above green energy?

3. For each year, in MWh, what quantity of energy not classified as "green" nor accompanied by the purchase of a Renewable Energy Certificate of Origin, was purchased via the interconnector?

4. What is the unit cost, per MWh, for the non-green energy described in question 3 above."

Our response to your request is as follows:

1. For each year, what quantity of green energy, in MWh was purchased via the interconnector?

See ‘Green Import MWh’ column in the table above.

1. For each year, what is the unit cost, per MWh, of the above green energy?

See ‘Green Import £/MWh’ column in the table above.

1. For each year, in MWh, what quantity of energy not classified as "green" nor accompanied by the purchase of a Renewable Energy Certificate of Origin, was purchased via the interconnector?

See ‘Other Import MWh’ column in the table above.

1. What is the unit cost, per MWh, for the non-green energy described in question 3 above."

See ‘Other Import £/MWh’ column in the table above.

Please note that we have included the figures for 2020/21 for completeness.

Please quote the reference number 4107653 in any future communications.

Your right to request a review

If you are unhappy with this response to your freedom of information request, you may ask us to carry out an internal review of the response, by completing a complaint form and submitting it electronically or by delivery/post.

An electronic version of our complaint form can be found by going to our website at https://services.gov.im/freedom-of-information/Review . If you would like a paper version of our complaint form to be sent to you by post, please contact me and I will be happy to arrange for this. Your review request should explain why you are dissatisfied with this response, and should be made as soon as practicable. We will respond as soon as the review has been concluded.

If you are not satisfied with the result of the review, you then have the right to appeal to the Information Commissioner for a decision on; 1. Whether we have responded to your request for information in accordance with Part 2 of the Freedom of Information Act 2015; or

1. Whether we are justified in refusing to give you the information requested.
   In response to an application for review, the Information Commissioner may, at any time, attempt to resolve a matter by negotiation, conciliation, mediation or another form of alternative dispute resolution and will have regard to any outcome of this in making any subsequent decision. More detailed information on your right to a review can be found on the Information Commissioner’s website at www.inforights.im. Should you have any queries concerning this letter, please do not hesitate to contact me. Further information about freedom of information requests can be found at www.gov.im/foi.

I will now close your request as of this date.