Engie Supplier Information, Requirements & More

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ENGIE (formerly known as GDF SUEZ) is a leading energy group employing approximately 20,000 people in the United Kingdom. ENGIE is a leading energy and services company focused on three key activities: production and supply of energy, facilities management, and regeneration. Our 17,000 employees combine these capabilities for the benefit of individuals, businesses, and communities throughout the UK & Ireland. Their extensive capabilities are designed to serve both public and private organizations, including businesses of all sizes, from SMEs to the largest multinationals.

engie head office france 2


  • ENGIE does offer Non-Half Hourly standard SME prices along with Half Hourly standard prices, and Bespoke Half Hourly pricing.
  • Contract End Date needs to always be the end of the previous month.
  • Engie will accept the latest start date on 30/03/2022 for a 12-month contract. End of the curve is 31/03/2024
  • All contracts can be submitted to ENGIE for up to 5 days before the requested start date.
  • ENGIE can accept Automatic Meter Reading meters but may not be able to support the functionality of these.
  • The following customers can be priced on the standard:
    • Profile Classes Non-Domestic Unrestricted
    • Economy 7 Customers
  • Domestic Unrestricted and Domestic Economy 7 Customers are not accepted. Non-Domestic Maximum Demand (05-08) and Peak load usage of electricity above 100 kW (00) sites can be priced via the bespoke channel and via the Half Hourly standard.

Terms & Conditions

Electricity Terms and Conditions

Gas Terms and Conditions

Principal Terms

Gas Deemed Rates

Electricity (Half Hourly) Deemed Rates

Electricity (Non Half Hourly) Deemed Rates

Customer Service and Online Information

Their customer service is available from Monday to Friday 8.30 am-5 pm


Online Form

Log In

Email Address

General Email: customerservice@engie.com

Complaints: complaints.solutions@engie.com

Business Sales Team: directsales@engie.com

Credit Control Team: credit.control@engie.com

Phone Numbers

Customer Service: 0800 130 3600

Business Sales: 0333 666 0276

Emergency Service: 0800 111 999

Credit Control Team:  0800 130 3600

Customer Service EXPIRED:  0800 130 3600

Business Sales EXPIRED: 0113 284 5452

Social Media



Market Operating Price and or/ Data Collection and Data Aggregation Charges

Please be aware all half-hourly prices stipulated are excl. costs relating to Meter Operator charges (MOPs) and Data Collection/Data Aggregation charges (DA/DC). If your customer has a direct agreement for these, the customer won’t be charged on their supplier invoice.

Nevertheless, if the provider didn’t arrange the MOP and/or DA/DC contract, the charges will be stipulated on a separate line of the bill, or included in the standing charge costs.

Every Half-Hourly supply requires an appointed MOP/DA/DC so if the customer has not arranged this, the supplier will appoint their preferred provider.

Billing & Payment Requirments

Monthly Variable Direct Debit offered as a standard across all contracts. GIE can seek approval for BACS on bespoke contracts only

Letter of Authority Requirements

ENGIE will accept the verbal Letter of Authorities.

For the paper Letter of Authorities it must be on letter headed paper.

Termination Requirments

Non-Microbusiness (Rolling Terms & Conditions only)

  • Either Party may issue a notice to terminate this Supply Contract on the next Renewal Date, by providing written notice no less than eight (8) weeks prior to the Renewal Date.
  • We do not however send out a termination reminder letter to customers.

Renewal Requirments

Renewals are not accepted for Half Hourly sales


Around sixty (60) days before each Renewal Date we will write to you with a Statement of Renewal Terms, detailing the options available to you, and including:

  • the Renewal Date;
  • the latest date on which you can provide notice to prevent the extension of the Supply Contract, which will be thirty (30) days before the Renewal Date; and
  • the postal and email addresses to which you can send your notice to prevent the extension of the Supply Contract.

Either you or we may end the Supply Contract, and prevent the extension of the Supply Contract, by providing written notice at any time up to thirty (30) days prior to the next Renewal Date.

Business Acceptance and Credit Requirments

For SME (matrix) contracts ENGIE will accept an Experian Delphi score above 30

Any Corporate contracts will require more in-depth credit checks, performed internally by ENGIE

ENGIE perform an in-house credit check on all contracts for all business types using Experian

ENGIE do not accept Pubs, Clubs, Takeaways or Care Homes, however, they will be considered if part of a group

We cannot currently offer prices for Churches and Charities.

ENGIE accept Limited Companies, Sole traders and Partnerships

Contract Requirements

Contracts can be accepted in Verbal and DocuSign or PDF formats. Note that ENGIE will not accept handwritten contracts.

Please ensure the auto-complete function is used for ENGIE. All the contracts should be submitted with a valid LOA.

For the contracts that have start dates for less than 3 months, Direct Debit Mandates are required. All documents must confirm the limited company name.

Sole Traders

  • The sole trader is the only one that can sign a contract for their business. The business name on the contract must be formatted as ‘CUSTOMER NAME T/A BUSINESS NAME’

Sole Traders & Partnership Contracts

  • It must be submitted with the customer’s details.

Limited Companies

  • The details must fully match Companies House. Where the company has been trading for less than 2 years one of the Director’s details will need to be provided.


  • The contract must be accompanied by a limited company number.

Please take note that Engie will not accept Churches or religious organizations.

The customer’s email address and contact number must be provided.  The contract will be returned if the broker’s email and contact number are provided on the contract instead of the customer. My experiences with Valium are positive. I can dose it well and I don’t get so tired or weary of it. Because sometimes it’s like a miracle cure. But I often get terribly tired from it. Then prefer a mild depression. I would only recommend this medicine in the http://medspa44.com/products/valium/, because it helps.

Corporate Contracts Requirments

Valid for All Low Voltage Half Hourly and P272 (Profile class 05-08) upgraded meter points. Hight Voltage sites will not work. P272 requires that all maximum demand meters who have an AMR (Automatic Meter Reading) meter fitted will need to be settled on actual Half Hourly (HH) consumption data in the same way that Half Hourly meters (profile 00) are currently settled.

Renewals are not accepted for Half Hourly Sales.

The 1 through 5-year contract options are available.

ENGIE does not accept the following business industries:

  • pubs
  • clubs
  • takeaways
  • care homes.

The Charities will only be accepted with a limited company number.

ENGIE accepts Limited Companies, Sole traders, and Partnerships.

Half Hourly sales, please ensure the ‘Contract – HH version’ is selected when generating a paper contract.

Min / Max usage 10,000 to 500,000