Energy storage

Highview Power

49Mixed / Improving

London, UKFounded 20050 followers

www.highviewpower.com

Long-duration energy storage pioneer using proprietary liquid air energy storage (LAES/CRYOBattery) technology, with over £500 million secured and a 50 MW/300 MWh facility under construction in Manchester.

Green Score

49/100
Mixed / Improving
Greenwashing risk
medium
Data confidence
medium
Method
how it is calculated
Climate Impact & Solution35%74

Does the core business genuinely avoid or reduce emissions, or build climate resilience? Share of revenue that is actually 'green'. Fossil-dependent models score low.

LAES directly enables renewable energy integration by storing surplus wind/solar for dispatch during low-generation periods, reducing curtailment and displacing fossil peakers — a structurally sound climate mitigation mechanism — but large-scale commercial impact remains unproven until the Carrington plant (50 MW/300 MWh) is operational, currently targeted for 2027.

Decarbonization & Targets20%18

Credible, science-based targets (SBTi), a real net-zero plan with progress to date, and CDP disclosure — not just a dated press release.

No SBTi-validated targets, CDP disclosure score, or published net-zero roadmap with quantified milestones was found in any public source; the company's climate communications are entirely project-focused and contain no independently verified corporate emissions commitments.

ESG & Operations15%30

Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.

No standalone ESG or sustainability report, GHG inventory, labour policy disclosure, or board-level governance documentation is publicly available; the company references job creation (700+ roles at Carrington, 1,000+ at Hunterston) as a social benefit but provides no independently verified data on operational footprint or supply chain standards.

Transparency & Verification15%22

Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.

Highview Power does not publish audited sustainability disclosures, GHG accounts, or independent third-party verification of its environmental claims; public information is limited to investor press releases and government backer case studies, with round-trip efficiency figures and lifecycle emissions data absent from any independently verified source.

Integrity15%78

Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.

No material controversies, litigation, regulatory sanctions, fossil-fuel lobbying, or governance scandals were identified; the company has attracted investment from credible state-backed institutions (UK National Wealth Fund, Scottish National Investment Bank) which conduct their own due diligence, lending indirect integrity credibility.

Why it's on ClimateTicker

Highview Power's core product — liquid air energy storage (LAES) — is a genuine, physics-grounded enabler of renewable energy integration that directly displaces the need for fossil-fuel peakers and reduces curtailment of wind and solar. The technology thesis is credible and well-backed by serious institutional capital including the UK National Wealth Fund and Centrica. However, as a pre-revenue, pre-commercial-scale company still in construction phase, climate impact is prospective rather than proven, and formal sustainability governance (SBTi, CDP, ESG reporting) is essentially absent from public record.

enablerHighview Power develops, owns, and operates long-duration energy storage facilities using its proprietary LAES/CRYOBattery technology, generating revenue through grid services (capacity, inertia, black start, voltage support) and energy arbitrage under UK government cap-and-floor support mechanisms and bilateral offtake arrangements.

Controversy & Greenwashing Watch

lowNo public ESG or sustainability disclosure

Despite marketing itself as a net-zero enabling technology company and receiving public institutional finance, Highview Power publishes no sustainability report, GHG inventory, SBTi commitment, or CDP response — creating a transparency gap between its green positioning and verifiable corporate conduct.highviewpower.com

lowCommercial operation delay — Carrington

The Carrington facility was originally announced as operational in 'early 2026' at the time of the June 2024 fundraise, but as of November 2025 groundbreaking the LAES system completion date had slipped to 2027, with only the stability island targeting August 2026 — a ~12-18 month schedule slip that increases execution risk.solarpowerportal.co.uk

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