Here is a list of IPP in Ogun State of Nigeria, one of the top states in South west after Lagos..
Westcom Tech & Energy Source — 1000MW
—Farm Electric Supply Limited, Ota — 150MW
—Ibafo Power Station — 200MW
—Magboro Power Plant —90MW
—Largarge 260MW in Ewekoro or so.
—Agbara Shoreline Power Likitee — 100MW
—Paras Energy & Natiral Resoirces Dev, Ogijo — 96MW
(They promised 1000MW capacity) not sure if they do.
—Hudson Power Limited, Warawa — 150MW