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How the UK supports the use of combined heat and power (CHP) or 'cogeneration', which avoids network losses and reduces emissions.

• Updated: 6 October 2020

Flat Rate VAT scheme - eligibility, thresholds, flat rates of VAT and joining or leaving the scheme.

• Overview

  The amount of VAT a business pays or claims back from HM Revenue and…

• Who can join

  You can join the Flat Rate Scheme if: you’re a VAT-registered business you…

• How to join

  You must be eligible to join the Flat Rate Scheme. How to join the scheme…

• Work out your flat rate

  The VAT flat rate you use usually depends on your business type. You may…

• If your circumstances change

  You must leave the scheme if: you’re no longer eligible to be in it on the…

• Leaving the scheme

  You can choose to leave the scheme at any time. You must leave if you’re…

• Updated: 25 March 2026

• Updated: 17 March 2026

A collection of guides to support the development of combined heat and power (CHP) installations.

• Updated: 15 February 2021

Government incentives for CHP schemes

• Updated: 1 April 2019

Use this form to merge registered trade marks with same owner, filing date and are for identical marks and are the same type of trade mark.

Additional guidance for Combined Heat and Power (CHP) developers on renewable CHP.

• Updated: 6 October 2020

OpenAI and Microsoft pledge funding to AI Security Institute’s Alignment Project: an international effort on AI systems that are safe, secure and under control.

• Updated: 19 February 2026

This series brings together all documents relating to Combined heat and power statistics.

• Updated: 29 September 2022