SA-227 AC Metro III
Flight Crew Commercial; Flight Crew Instrument; Flight Crew Multiengine
Aircraft Equipment Problem Less Severe
Flight Crew Returned To Gate; Flight Crew Rejected Takeoff
Aircraft
All preflight and taxi checks revealed no abnormalities prior to taking the runway. Upon takeoff clearance; I advanced the power levers. After 3-4 seconds both left and right GEN FAIL annunciator lights illuminated. I immediately pulled power to ground idle and notified tower of the aborted takeoff. Upon exiting the runway I was given permission to hold position and troubleshoot. When I was unable to get the left generator to re-engage I asked Tower to return to parking.
SA-227AC pilot reported rejecting the takeoff after the left and right generator fail lights illuminated.