Categories OFGEM Open letter to National Grid Gas Transmission on Transmission Services Revenue Recovery Charges Post author By hm government Post date 23rd December 2020 [unable to retrieve full-text content]This letter sets out our views to National Grid Gas Transmission on Transmission Services Revenue Recovery Charges. ← Detailed guide: Switzerland: providing services and travelling for business from 1 January 2021 → Correspondence: Coronavirus (COVID-19): letters to the manufacturing sector, November and December 2020