Residual fuel is defined as non-gas, non-electricity and non-road transport fuels, and covers consumption of coal, petroleum, manufactured solid fuels and bioenergy and wastes not used for electricity generation or road transport.
Source
https://www.gov.uk/government/statistics/announcements/uk-residual-fuel-consumption-at-regional-and-local-authority-level-2005-to-2025Canonical document at the regulator. Always cite this URL — not the Vantage detail page — in compliance evidence.