CMS Cameron McKenna acted as external legal counsel on the Offshore Windpark Egmond aan Zee (OWEZ) project across multiple engagements spanning development through operation. According to the CMS Law Netherlands energy/wind-energy expertise page, the firm: 1. "Advised on the development of windpark NoordZeeWind (currently named Egmond aan Zee)" — acting for shareholders Shell and NUON (now Vattenfall) during the early development phase. 2. "Advised on the drafting and negotiation of the PPA between offshore Windpark Egmond aan Zee and its two shareholders, Shell and Vattenfall" — the operational power purchase arrangement underpinning OWEZ's offtake economics. 3. "Advised in arbitral proceedings regarding the foundations of offshore windpark Egmond aan Zee" — acting for the Bouwcombinatie Egmond (BCE) joint venture of Ballast Nedam and Vestas in foundations-related dispute resolution. No engagement dates are stated on the source page. The development advice maps to the 2002–2005 lead-up to financial close; the PPA and arbitral mandates are not separately date-stamped.