Notification of price changes

Domestic energy suppliers are required as a condition of their licence (Standard Condition 23 of the supply licence – SLC23) to notify their customers of prices increases, or any other changes that may significantly disadvantage them. These changes are known as relevant variations and are further detailed in our guidance on price increase notices and termination fees.

Changes to energy suppliers’ licence conditions

At the time of the Energy Supply Probe we committed to examining SLC23. Following a review and consultation, we amended it so that energy suppliers are now required to notify customers at least 30 days in advance of relevant changes taking effect. This means that domestic customers will receive advance notice and will normally be able to switch supplier if they wish to without being affected by those changes (and without being charged a termination fee).

Avoiding changes

Once a customer becomes aware about a change to their energy contract (through a public announcement or individual notification), they can notify their supplier that they intend to switch in order avoid the effects of those changes at anytime on or before the date the change is scheduled to become effective. Once the customer notifies their existing supplier of their intention to switch, their existing supplier must receive notice (within 15 working days) that the new (gaining) supplier will begin supplying the customer within a reasonable period of time. The new (gaining) supplier is responsible for triggering this notice.

Avoiding termination fees (exit fees)

Domestic suppliers are only permitted to charge a termination fee (exit fee) during a fixed term period of a fixed term contract. However, domestic suppliers may be prohibited from charging a termination fee during a fixed term period if they decide to make a change to the contract. For the prohibition to apply, and therefore for the customer to avoid the termination fee, the customer must have notified their current supplier (orally or in writing) on or before the date of the relevant change taking effect of their intention to switch supplier. The customer does not have to actually switch supplier or switch within a particular timeframe to avoid the termination fees. These rules are provided for in SLC 23 and Standard Condition 24 of the supply licence and some particular aspects are explained in our guidance on price increase notices and termination fees.

Customers in debt

Customers in debt (that is, where charges which have been demanded by the supplier in writing – usually a bill - and which remain outstanding for at least 28 days) can also switch in order avoid the effects of contract changes by following the same process above. However, they need to pay the outstanding debt before the switch can go through. Once the existing supplier receives the notice from the new supplier they can block the customer from switching on grounds of debt and issue a notice to the customer to this effect. This is called a blocking notice. From the date of receipt of the blocking notice the customer has 30 working days to repay the debt.

Further information

This section contains documents in relation to our work on modifying SLC 23 – the period for notifying unilateral contract variations and related matters.

Publications and updates

  • Published: 1st Oct 2010
  • Closed: 15th Oct 2010
  • Consultations and responses
  • 9 Associated documents
Seeking views on Ofgem’s proposals for amending 65 working day period available to suppliers’ for notifying consumers following a unilateral contract variation.

  • Published: 31st Mar 2010
  • Consultations and responses
  • 9 Associated documents
Consultation into SLC23 on whether we should amend the current licence condition to change the current 65 day working period that suppliers have.

  • Published: 31st Mar 2010
  • Consultations and responses
  • 9 Associated documents
Consultation into SLC23–Invites views from all stakeholders on whether we should amend the current licence condition to change the 65 day working period.

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