UK-based battery storage developer and operator with over 1.2 GW of BESS projects including the 300 MW Kilmarnock South and 400 MW Eccles sites, backed by KKR with cumulative funding exceeding £1 billion.
Green Score
- Greenwashing risk
- low
- Data confidence
- medium
- Method
- how it is calculated
Climate Impact & Solution35%88
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.
Zenobē's core BESS and EV fleet business directly enables higher renewable penetration and decarbonises heavy transport at scale — c.1,500 MW of grid batteries and support for over 3,400 electric vehicles represent measurable, system-level climate impact, not peripheral offsets; carbon-avoided methodology exists and is independently verified, but aggregate avoided-emissions figures are not yet standardised across reports.
Decarbonization & Targets20%38
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 found on the SBTi dashboard, nor any confirmed CDP disclosure; the 2023 and 2024 sustainability reports describe sustainability ambitions and data-baseline work (partnering with Watershed for carbon accounting) but stop short of publishing quantified, time-bound, science-aligned reduction targets — this is a material weakness for an infrastructure-scale energy company.
ESG & Operations15%60
Operational footprint, labour and social practices, and governance quality across the company's own operations and supply chain.
Zenobē holds ISO 14001 environmental management certification, established a dedicated SHEQ function in 2023, conducted its first materiality assessment for the 2024 report, and offers strong employee benefits; however, labour practices across global supply chains (battery minerals) are not publicly scrutinised, and independent social/governance audits are not evidenced.
Transparency & Verification15%52
Quality of disclosure, independent third-party verification, and how much hard data backs the company's claims.
The 2024 carbon footprint has been independently verified by Carbonology to ISO 14064-1/3 standards, and a carbon-avoided methodology is also independently verified — a meaningful step up from peer group; however, the company is private, does not appear to file through CDP, publishes no scope-3 supply-chain breakdown, and the sustainability reports are still young (inaugural 2023), limiting depth of historical trend data.
Integrity15%74
Controversies, litigation, pollution, fossil-fuel lobbying, conflict-zone involvement and governance scandals. Higher means cleaner.
No pollution, labour, or fossil-lobbying controversies found; the notable regulatory action is Zenobē's own litigation against Ofgem's LDES cap-and-floor scheme (Competition Appeal Tribunal, Oct 2025–June 2026), which the company lost — this is a commercial market-design dispute, not an ethical scandal, though the co-founder's comment that 'clean' gas could fill the duration gap is a mild integrity flag for a pure-play clean energy firm.
Why it's on ClimateTicker
Zenobē is a genuinely climate-positive business: its core product — grid-scale BESS and EV fleet electrification — directly enables renewable energy uptake and displaces fossil-fuel transport, with circa 1,500 MW of grid-connected batteries live or under contract and over 3,400 electric vehicles supported globally. The climate credentials are structurally real, not bolted-on. The main honest caveat is that Zenobē's own operational sustainability disclosures are still maturing — SBTi targets are absent, CDP participation is unconfirmed, and scope-3 supply-chain emissions (battery manufacturing) remain a material unquantified gap.
Commitments & Certifications
Controversy & Greenwashing Watch
Zenobē filed two Competition Appeal Tribunal cases (Oct 2025, Mar 2026) challenging Ofgem/GEMA's long-duration energy storage cap-and-floor subsidy scheme, arguing it distorted competition against unsubsidised short-duration BESS; the tribunal dismissed the application in June 2026, clearing the LDES scheme to proceed.energyvoice.com
In April 2025, Zenobē co-founder James Basden publicly suggested that a combination of short-duration BESS and 'clean' gas could be a more efficient solution than long-duration storage, a statement that sits in tension with Zenobē's pure-play clean energy positioning.solarpowerportal.co.uk
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