& gencost_startdate(1,k), gencost_period(k), 'c',
localperiod=gencost_period(igen_conc)
tpper=gencost_period(igen_tp)
ersper=gencost_period(igen_ers)
gfoper=gencost_period(igen_gfo)
localperiod=gencost_period(kgen(icount))
& gencost_period, gencost_preproc_r, gencost_posproc_r,
_RL gencost_period(NGENCOST)
gencost_period(k) = 86400.
gencost_period(k) = 0.
gencost_period(k) = dTtracerLev(1)