AC Energy and NEFIN Joint Venture to Offer Carbon Neutrality Solutions Across Asia | BusinessNewsAsia.com  Business News Asia. : AC Energy Corporation (ACEN), through its wholly-owned subsidiary, AC Renewables International (ACRI), has obtained board approval to enter into a joint venture with NEFIN Holding Limited (NEFIN), a leading solar photovoltaic developer and investor in carbon neutrality solutions. ACEN and NEFIN will establish a 50/50 joint venture holding company that will develop, construct, and operate rooftop solar projects across Asia. The joint venture will own 21 MW of operating assets and has a robust near-term project pipeline.