What role, if any, did PPDI play in the GoE Power Station?

Dear Editor,

In my layman’s understanding I seem to recall the operations of Wartsila were assumed by the then newly established PPDI.  But now it seems Wartsila has returned to managing the GoE Power Station.  What is the status of PPDI now, and what role did it play, if any, in the GoE Power Station?

Yours faithfully,

Shamshun Mohamed