in other words expected average om costs fell by from to and again by from to finally looking at the lcoe at a discount rate the lcoe for large solar pv decreased from usd per mwh to usd per mwh and then to usd per mwh ie it decreased by onethird from to then by threequarters to therefore the anticipated costs of large solar pv have plunged by more than from see neaiea to see neaiea