SHV, NIIF look to buy stake in Fourth Partner Energy Fourth Partner Energy (4PEL) is building solar parks in Uttar Pradesh, Maharashtra and Tamil Nadu.bloomberg 1 min read Share Via Read Full Story Netherlands’ SHV Energy and India’s quasi-sovereign wealth fund National Investment and Infrastructure Fund (NIIF) are separately looking to buy a stake in Hyderabad-based Fourth Partner Energy (4PEL) for about $150 million, two people aware of the development said. Fourth Partner Energy focuses on the commercial and industrial (C&I) segment and has an operational portfolio of 400MW. It is building solar parks in Uttar Pradesh, Maharashtra and Tamil Nadu.