Energy & UtilitiesJuly 2026· 8-9 min read

From Fossil Fuel Giant to World's #1 Green Energy Company

How Orsted Transformed a Coal-Heavy Energy Giant into the Global Leader in Offshore Wind

Renewable Energy TransitionGreen FinanceScope 1 & 2 DecarbonizationNet Zero
Talk to our team
Orsted offshore wind energy transformation case study

Summary

In 2006, DONG Energy was a Danish state-owned utility responsible for one-third of the country's carbon emissions, with 85% of its generation running on coal. In 2009 its leadership committed to reversing that mix entirely toward renewables.

Orsted scaled offshore wind to cost parity through a bulk 500-turbine order, used a biomass bridge to retire coal plants without breaking supply obligations, divested its oil and gas business, and restructured financing around green bonds exclusively from 2017.

By 2024, Orsted closed its last coal plant, cut GHG emissions intensity 98% versus 2006, and reached 18.2 GW of installed renewable capacity, while EBITDA grew to DKK 24.8 billion in the same year.

What makes this transformation unusually credible?

Every pillar was commercially self-reinforcing rather than subsidised: divestment proceeds funded new wind builds, and green bond financing made reversing the transition structurally and legally costly.

Full Case Study

Read the complete methodology, results and roadmap in the PDF.

Keep Reading

Related Case Studies

Next Step

Ready to turn ESG complexity into strategic advantage?

Talk to ESG Astraa about disclosures, climate strategy, governance controls, and execution support for your team.