Letter of Authority
A signed authorisation that allows an intermediary to obtain a customer's utility data and tender on their behalf; does not authorise contract signature.
A Letter of Authority (LoA) is the signed authorisation that allows a third-party intermediary — an energy consultant, procurement specialist or comparison site — to act on a customer's behalf in dealings with utility suppliers and network operators, typically for the purposes of obtaining historical billing data, requesting quotes, and validating meter information.
What an LoA does typically authorise:
- Obtaining historical consumption and billing information from current and previous suppliers.
- Requesting quotes from suppliers in the customer's name.
- Validating meter records against the central industry database.
- Lodging trade effluent or drainage queries with water wholesalers and retailers.
What an LoA does not authorise (in any reputable practice):
- Signing a supply contract on the customer's behalf without separate, contract-specific authority.
- Making changes to the customer's account without instruction.
LoAs are normally fixed-term (12 to 24 months) and revocable in writing at any time. A reputable intermediary will operate on a separate LoA per customer, will not chain LoAs without renewal, and will provide the customer with a copy on request. We treat the LoA as a working document, not a permission slip — the customer remains in control of every contract signature.
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TPI Code of Practice
The voluntary industry code that sets standards for third-party intermediaries (energy consultants); a stepping-stone to the future statutory regime.
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Ofgem's overarching licence-condition obligation requiring suppliers to treat customers fairly across all stages of their interaction.
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An Ofgem-defined customer category with specific contractual and complaint protections; eligibility set by employee, financial or energy-use thresholds.
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