Harbour Energy sustainability score: 18/100
Below expectations starts at 31. The highest score on SINK is 71.
Harbour Energy is a UK-headquartered independent oil and gas producer that grew through its acquisition of Wintershall Dea's upstream assets. It reported US$10.1 billion in revenue for 2025, with about 2,900 employees.
Founded 2002Head office GBStaff ~2,912 (2025)Revenue $10,091 million revenue (FY ended 31 Dec 2025); revenue and other operating income $10,261 millionWebsite ↗
Harbour Energy reports Scope 1, 2 and 3 emissions with EY limited assurance, but its reported Scope 3 rose from 37.4 Mt in 2024 to 68.8 Mt in 2025 after the Wintershall Dea acquisition, almost all of it from the use of the oil and gas it sells. Its 2030 targets cover only its own operations and are not SBTi-validated, and its net-zero goal has moved from 2035 to an aspiration for 2050. In 2025 the North Sea Transition Authority fined its operating company £150,000 for a venting breach.
Harbour Energy scores 18/100 (Significant gaps) on SINK's independent climate assessment, scored from public data only. Scores are free. Nobody can pay to change a score, speed it up or hide it. Last verified November 2026.
That places Harbour Energy joint 1016th of 1,043 companies scored, and joint 9th of 19 in Oil & Gas.
What is Harbour Energy doing well, and where does it fall short?
Strongest on Carbon Footprint: Operations and Transparency & Accountability (7/10, 7/10). Weakest on Emissions Trajectory and Energy Source (0/10, 1/10).
Where Harbour Energy lost points
For each question that lost points, the evidence our public rubric looks for that we didn't find.
What would raise this score
- Whether its emissions are fallingShow its emissions are falling.
- How clean its energy isMove to a renewable energy tariff or make a major efficiency investment.
- Its effect on natureAssess its effect on nature and publish a basic environmental policy.
Every question that lost points
- Emissions from its own operations7/10Its own emissions aren't independently verified or tracked over several years.
- Emissions from its supply chain6/10No full value-chain map or supplier engagement programme.
- Whether its emissions are falling0/10No evidence its emissions are falling.
- How clean its energy is1/10No renewable energy tariff or major efficiency investment shown.
- Its effect on nature2/10No assessment of its effect on nature, and no basic environmental policy.
- How it uses materials and handles waste3/10No active waste reduction, reuse or repair shown.
- Its effect on water2/10No monitoring of water use, or no measures to reduce it.
- Its climate targets2/10No specific targets with dates.
- How openly it reports7/10No annual impact report, or no pay linked to climate targets.
- Its record on controversies5/10Points deducted for controversies or its business model. The finding is under question 10.
A score changes when the evidence does. We use new published evidence at the next rescore. Anyone can send us new evidence, free. How to send it.
How is Harbour Energy's SINK score calculated?
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × ScaleWhat evidence is Harbour Energy's score based on?
12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
42% of them were published by Harbour Energy itself; the rest come from independent sources.
7 of 12 sources are independent of the company.
“Scope 1 emissions – gross operated ktCO”
“In 2025, Scope 1 emissions amounted to 1.3 mtCO2e, a three per cent increase from 2024.”
“Across our operations, 28 unplanned”
“We apply recognised environmental management practices such as the mitigation hierarchy”
“Chrysaor, which was acquired by Harbour Energy in 2021, blamed the breach on high winds”
“a Financial Penalty Notice which imposes on Chrysaor a financial penalty of £150,000”
“UK’s largest producer launches attack on the government’s tax on energy profits”
“Harbour Energy is expected to cut 350 jobs in the UK, as it downgrades domestic operations following the windfall tax.”
“So it isn’t the Windfall Tax that has wiped out the profits, but an accounting tactic devised by the company.”
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How does Harbour Energy compare with other oil & gas companies?
Where Harbour Energy sits among oil & gas peers.
Among the 19 major oil & gas brands we've scored, Harbour Energy is tied =9th of 19, with 4 others.
Who scores higher in Oil & Gas?
The 3 companies in the sector scoring nearest above Harbour Energy.
Woodside is an oil and gas producer with rising total emissions despite modest Scope 1 and 2 reductions.
See the breakdown →Shell's sustainability record is dominated by its refusal to set absolute Scope 3 targets, weakened climate goals, and a planned LNG expansion that directly contradicts net-zero rhetoric.
See the breakdown →Eni is a legacy oil and gas company dressed in transition language.
See the breakdown →Which companies moved this week, and why.
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