In December 2010, the offshore industry passed a critical milestone when OPW — a consortium of Dutch pension-fund service provider PGGM and Ampere Equity Fund — bought a 24.8% stake in the 367MW Walney project from Dong Energy.

OPW paid £16m ($25.3m) for its stake, as well as picking up a pro-rata share of construction costs. Dong continues to own a 50.1%