Offshore wind installation

Jan De Nul Group

60Credible Contributor

Hofstade-Aalst, Belgium0 followers

www.jandenul.com

Belgian family-owned dredging and marine engineering contractor with a large fleet specialised in offshore wind cable installation and foundation work, active on major European and international projects.

Green Score

60/100
Credible Contributor
Greenwashing risk
medium
Data confidence
medium
Method
how it is calculated
Climate Impact & Solution35%62

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.

Jan De Nul installs wind foundations, turbines, and subsea cables for major offshore wind projects (Hornsea 3, Dogger Bank, Gode Wind 3, Inch Cape, Fengmiao 1), making it a pivotal enabler of renewable capacity; however, it also performs oil & gas platform services and conventional port dredging, so its own fleet is a substantial emissions source and its revenues are not exclusively climate-positive.

Decarbonization & Targets20%58

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

SBTi targets were validated in 2023 — a meaningful credential — and Scope 1, 2, and 3 emissions are tracked under the GHG Protocol with third-party verification; however, the company's own data show total GHG emissions rising despite efficiency gains, no CDP public score was identified, and long-term net-zero pathway detail remains limited in publicly accessible disclosures.

ESG & Operations15%55

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

The company holds CO2 Performance Ladder certification (highest level) for Benelux operations, has deployed ULEv exhaust-filtering technology, publishes a sustainability report aligned with ESRS, and codes labour/human rights standards; however, it is a privately held, family-controlled group with limited independent board oversight, and vessel-sourced emissions remain the dominant environmental impact with no credible near-term elimination pathway.

Transparency & Verification15%54

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

Jan De Nul publishes annual sustainability reports (most recently ESRS-aligned for 2025), an Energy Management Action Plan with quarterly progress reports, and third-party-verified Scope 1–3 GHG data; gaps include no identifiable public CDP questionnaire score, limited independent assurance statements cited externally, and key financials are not publicly audited as a private company.

Integrity15%70

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

No major environmental violations, fossil-fuel lobbying scandals, conflict-zone involvement, or labour litigation appear in public records; the only notable historic incident is the 2009 piracy hijacking of the vessel Pompei (not a governance or environmental failure); continued work in oil & gas sector and for port expansions in developing nations carries modest reputational risk but no confirmed material controversy.

Why it's on ClimateTicker

Jan De Nul is a genuine critical enabler of renewable energy infrastructure — its offshore wind installation and subsea cable-laying fleet underpins European and international energy transition projects. However, it is primarily a construction and dredging contractor whose own operational footprint is large and carbon-heavy, and its diversified revenues still include oil, gas, and port infrastructure services that dilute the pure-climate narrative.

enablerJan De Nul earns revenue by contracting marine installation, dredging, civil engineering, and environmental remediation services globally; offshore energy (wind foundations, cable installation) and dredging together account for approximately 85% of turnover.

Commitments & Certifications

Controversy & Greenwashing Watch

mediumPersistent rise in total GHG emissions despite efficiency measures

Jan De Nul's own sustainability disclosures acknowledge total greenhouse gas emissions rose even as energy-efficiency investments increased, indicating fleet growth is outpacing decarbonisation efforts.jandenul.com

mediumOil & gas platform services alongside wind work

Jan De Nul's offshore fleet is explicitly marketed for decommissioning oil and gas platforms and serving oil, gas and renewable energy sectors simultaneously, creating a material scope-of-work tension with its green positioning.globaldata.com

low2009 Pompei vessel piracy hijacking

The Jan De Nul vessel Pompei was hijacked by Somali pirates in 2009; the ship and crew were released after 71 days following a reported €2.8 million ransom — a historic incident with no ongoing governance implication.en.wikipedia.org

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