Ofgem relies on energy suppliers, TrustMark, certification bodies and scheme providers to alert it to any suspicions of fraud. However, while these bodies have responsibilities to report fraud that they have identified, they 76 Qq 20, 28, 56; Letter from the United Kingdom Accreditation Service, dated 27 November 2025 77 Q 122; C&AG’s Report, para 4.10; HM Treasury, Managing Public Money, June 2025 78 Qq 122, 123, 125 79 Q 127 80 C&AG’s Report, para 4.12 81 Qq 128, 130, 131 82 C&AG’s Report, para 4.3 21 have no requirement to proactively look for fraud, and poor information sharing across the system hinders their ability to do so.83 For example, in its written evidence submission, Energy UK set out how more rapid dissemination of intelligence on fraud trends by Ofgem would help energy suppliers improve their fraud controls.84