ClimateTicker

United Utilities Group PLC

LSE: UU.56Mixed / Improving· Provisional
0 followersWater & sewerage utility·Warrington, United Kingdom·Founded 1989
www.unitedutilities.com

UK's largest listed water company, providing water and wastewater services to 7 million people across north-west England; FTSE 100 constituent.

56/100
Mixed / Improving· Provisional

ClimateTicker Green Score · how it's calculated

Greenwashing risk: mediumData confidence: high

Why it's on ClimateTicker

United Utilities operates essential water and wastewater infrastructure for 7 million people in north-west England — a sector with genuine climate adaptation value (water security, catchment management, flood resilience) but also significant direct emissions from energy-intensive treatment and pumping, and chronic sewage-overflow pollution. It leads its UK peer group on environmental performance and disclosure quality, but credibility is dented by Ofwat-mandated executive bonus blocks for pollution failings in 2025 and the absence of confirmed SBTi-validated targets.

adaptationUnited Utilities earns regulated revenues by operating the water and wastewater networks in north-west England under Ofwat's periodic price-review regime (currently AMP8, 2025–30), with a £13 billion capital allowance; it has no unregulated generation or retail exposure.

Commitments & Certifications

CDP: A- (Climate Change); A (Supplier Engagement); B (Water Security) ↗other: Sustainalytics ESG Risk Rating: 8.9 (Negligible) — 5th out of 682 utilities ↗other: MSCI ESG Rating: AA (Leader) ↗other: ISS ESG: Prime ↗other: Environment Agency 4-Star Environmental Performance Rating ↗other: Moody's ESG: 61/100 Advanced ↗

Controversy & Greenwashing Watch

mediumNo Confirmed SBTi-Validated Targets

Despite CDP A- climate score and stated net-zero ambitions, no SBTi-validated near-term or net-zero targets for United Utilities Group PLC appear in the SBTi public target dashboard, representing a credibility gap versus best-practice peers.source ↗

mediumOfwat Executive Bonus Block — Pollution Failures

United Utilities Water was among six companies forced by Ofwat to block executive bonuses in November 2025 under new rules linking pay to environmental performance and pollution incidents.source ↗

mediumSector-Wide Sewage Overflow Scandal

United Utilities operates in a sector under sustained public and parliamentary scrutiny for storm-overflow discharges into rivers and coastal waters; Surfers Against Sewage note its 4-star rating offers limited reassurance given the industry's systemic failures.source ↗

lowAMP8 Ofwat Expenditure Cut vs. Company Ask

Ofwat set United Utilities' 2025–30 total expenditure allowance at £753 million below what the company requested, signalling regulatory scepticism about its spending efficiency claims.source ↗

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