HYDROPOWER developer Repower Energy Development Corp. (REDC) is boosting its renewable energy portfolio through a P3.925-billion acquisition of an asset in Samar province. In a regulatory filing on Thursday, REDC said it, along with Japan’s Tokai Corp. and South Eastern Energy Corp., is acquiring the entire stake held by Magis Energy Holdings Corp. in Taft Hydro Energy Corp. Taft Hydro owns a 15.93-megawatt hydropower plant that is estimated to …