Positive
Project advancing - milestone achieved
High Impact
Major milestone or critical setback
Walney 1 entered commercial operation in July 2011 under the UK Renewables Obligation support scheme, with the Walney offshore wind farm earning 2 Renewables Obligation Certificates (ROCs) per MWh and ROC support for the Walney 1 phase running until 2031, securing a long‑term subsidy revenue stream alongside power sales.