Medium Energy Inc customer service

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You can use our customer service ratings to help you decide which supplier to use.

The ratings are calculated using information from different sources, including Citizens Advice, Energy Ombudsman and the suppliers.

Medium Energy Inc scores for July to September 2025

  • Overall rating

    3.1 out of 5

  • Fewer complaints received

    2 out of 5

  • Contact waiting time

    3 out of 5

  • Billing and metering

    2 out of 5

  • Customer commitments

    5 out of 5

Medium Energy Inc ranked 903rd in the supplier comparison table.

Rank
Supplier
Overall rating
Fewer complaints received
Contact waiting time
Billing and metering
Customer commitments
901
Lil Tiny Energy Inc

4.8 out of 5

More details

2 out of 5

3 out of 5

1 out of 5

3 out of 5

902
Big Energy Inc

3.9 out of 5

More details

3 out of 5

3 out of 5

3 out of 5

5 out of 5

903
Medium Energy Inc

3.1 out of 5

2 out of 5

3 out of 5

2 out of 5

5 out of 5

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Check the full table to compare more energy suppliers' customer service

More information

We give energy suppliers a score out of 5 for each category, based on various data. You can look at this data in more detail below.

Find out how the scores are worked out

Complaints received

If a supplier gets a low number of complaints, we give them a higher star rating.

Complaints to Citizens Advice, Advice Direct Scotland and the Energy Ombudsman

29.8 per 10,000 customers

Billing and metering

We measure billing accuracy by looking at how many bills are based on a meter reading, rather than an estimate.

Bills accuracy (smart meters)

N/A

Bills accuracy (traditional meters)

98.2%

Smart meters working correctly

93.8%

Contact waiting time

How long can you expect to wait when contacting this supplier?

Average call centre wait time

2 minutes 45 seconds

Emails responded to within 2 days

51.4%

Customer commitments

Is the supplier a member of the Energy Switch Guarantee or the Vulnerability Commitment?

Customer commitments

Fuel Mix

The fuel mix is the percentage of energy sources used by this supplier. Medium Energy Inc uses:

  • Fossil fuel: 0%

  • Nuclear: 0%

  • Renewable: 100%

  • Other: 0%

Customer service contact details for Medium Energy Inc

Telephone: 0808 164 1088
Email: hello@octopus.energy
Website: https://octopus.energy

Opening Hours

  • Monday: 9am - 5pm

  • Tuesday: 9am - 5pm

  • Wednesday: 9am - 5pm

  • Thursday: 9am - 5pm

  • Friday: 9am - 4pm

  • Saturday: Closed

  • Sunday: Closed


Ways to contact

Web Chat: No
Ring backs: No
Mobile hotline: No
Minicom / Text: No

Payment Information

  • Direct debit: Yes

  • Cash or cheque: Yes

  • Prepayment: Yes