Voluntary WELS No change No change No change No change No change No change labelling from status from status from status from status from status from status quo - no quo - no quo - no quo - no quo - no quo - no take-up take-up take-up take-up take-up take-up expected expected expected expected expected expected Mandatory Moderate All benefit No impact; Can enhance Benefit from Moderate; WELS labelling savings from higher no incentive competition lower water very average to use label by making demand; inefficient efficiency; efficiency a costs borne products still users selling point by on the benefit more purchasers market Rebates Moderate Recipients Can influence No risk High; worse No effect (assuming no savings benefit from if rebate off if rebate WELS) rebate as rules allow scheme not well as from cost-effective lower running costs Water warning Very little Minimal None No risk Benefit from Moderate; labels (alone) savings lower water very demand; inefficient costs borne products still by on the purchasers market Voluntary No change No change No change No change No change No change minimum WES from status from status from status from status from status from status quo - no quo - no quo - no quo - no quo - no quo - no take-up take-up take-up take-up take-up take-up expected expected expected expected expected expected Mandatory Some savings Do not need Influences all Very little risk Benefit from High; very minimum WES: to be purchases, lower water inefficient low level better off if including demand; products minimum these costs borne excluded WES level by from market meets purchasers criteria Mandatory High savings Do not need Influences all Some risk; Benefit from High; very minimum WES: to be purchases, levels need lower water inefficient higher level better off if including to be set demand; products minimum carefully costs borne excluded WES level by from market meets purchasers criteria Table S2. Summary of preferred options Product Method of test Rating method WELS labelling Washing mode Drying mode minimum WES minimum WES level Clothes washer; No change No change No change SRI = 3.0 NA top loader Clothes washer; No change No change No change SRI = 3.0 NA front loader
Voluntary WELS labelling No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected Mandatory WELS labelling Moderate savings All benefit from higher average efficiency; users benefit more No impact; no incentive to use label Can enhance competition by making efficiency a selling point Benefit from lower water demand; costs borne by purchasers Moderate; very inefficient products still on the market Rebates (assuming no WELS) Moderate savings Recipients benefit from rebate as well as from lower running costs Can influence if rebate rules allow No risk High; worse off if rebate scheme not cost-effective No effect Water warning labels (alone) Very little savings Minimal None No risk Benefit from lower water demand; costs borne by purchasers Moderate; very inefficient products still on the market Voluntary minimum WES No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected No change from status quo - no take-up expected Mandatory minimum WES: low level Some savings Do not need to be better off if minimum WES level meets criteria Influences all purchases, including these Very little risk Benefit from lower water demand; costs borne by purchasers High; very inefficient products excluded from market Mandatory minimum WES: higher level High savings Do not need to be better off if minimum WES level meets criteria Influences all purchases, including Some risk; levels need to be set carefully Benefit from lower water demand; costs borne by purchasers High; very inefficient products excluded from market Table S2. Summary of preferred options Product Method of test Rating method WELS labelling Washing mode minimum WES Drying mode minimum WES level Clothes washer; top loader No change No change No change SRI = 3.0 NA Clothes washer; front loader No change No change No change SRI = 3.0 NA
ris-whitegoods-decision.docx