ClimateTicker

Anglian Water Services

40Mixed / Improving· Provisional
0 followersWater & sewerage utility·Founded 1989
www.anglianwater.co.uk

Water and sewerage company serving 6 million customers across eastern England, owned by the Osprey Consortium of global infrastructure funds.

40/100
Mixed / Improving· Provisional

ClimateTicker Green Score · how it's calculated

Greenwashing risk: highData confidence: high

Why it's on ClimateTicker

Anglian Water operates in one of the UK's driest regions, making genuine climate adaptation — drought resilience, flood management, and decarbonisation of energy-intensive water treatment — central to its long-term viability. The company has notable sustainability credentials including a CDP A- rating, £1.6bn in green finance raised, and a stated net-zero by 2030 commitment, but these co-exist with a serious 2025 Ofwat enforcement package of £62.8m for wastewater mismanagement and excessive sewage spills, exposing a material gap between marketing claims and operational reality. Investors should treat this as a regulated monopoly with genuine climate risk exposure and adaptation ambition undermined by significant governance and pollution failures.

adaptationAnglian Water earns regulated revenues by providing water and sewerage services to approximately 6 million customers across eastern England and the East Midlands, with prices and investment levels set every five years by regulator Ofwat under periodic price reviews.

Commitments & Certifications

CDP: A- (Leadership Band) ↗other: TCFD Aligned – Self-Reported ↗other: GRESB 5-Star Infrastructure Asset Benchmark ↗other: Toitū Carbon Reduce – Participating ↗

Controversy & Greenwashing Watch

mediumLeakage Performance Worsens in 2024-25

The Environment Agency's 2024 environmental performance report flagged Anglian Water as one of only two companies reporting a notable leakage increase — up 2.7% in 2024-25 — counter to sector-wide improvement targets.source ↗

highOfwat £62.8m Enforcement: Systemic Sewage Spill Failures

Ofwat proposed a £62.8m enforcement package in July 2025 after finding Anglian Water failed to operate, maintain and upgrade wastewater assets, resulting in excessive storm overflow spills and breaches of the Urban Waste Water Treatment Regulation, with inadequate board-level oversight identified as a root cause.source ↗

mediumStorm Overflow Monitor Coverage Gap

Parliamentary data revealed Anglian Water had below 70% of storm overflows fitted with Event Duration Monitors, compared to above 98% for most peers, limiting independent verification of its spill performance.source ↗

highOfwat Enforcement Case Opened 2022 – Prolonged Non-Compliance

Ofwat opened a formal enforcement case against Anglian Water in 2022 over sewage treatment failures, indicating the systemic wastewater problems pre-date the 2025 penalty by at least three years.source ↗

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