# The Climate Change Levy (Combined Heat and Power Stations) Regulations 2005, Regulation 3: Supplies to combined heat and power stations: exemption for inputs


(1) A station’s threshold efficiency percentage is set as 20 per cent (see paragraphs 15(2)(b), 15(3)(b) and 15(4)(a) of the Act).
(2) A station’s efficiency percentage for a given Annual Operation is its Power Efficiency in relation to that Operation (see paragraphs 15(4)(b), 149(1) and 149(2)(e) of the Act and Section 5.6 of the Standard).

---
Source: https://www.legislation.gov.uk/ukdsi/2005/0110724747/regulation/3 (the official version)
Page: https://openlegislation.uk/draft-climate-change-levy-combined-heat-and-power-stations-regulations-2005/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.