Reductions

When daylight availabilityand summer outdoor
temperatures are hig h, daylighting can substan-
tially reduce peak electric loads due to cooling
andlighting. This will result in monthly savings
in demand charges, but it also reduces pressure
on the utilityto addnew generating capacity(e.g.
hydroelectric, nuclear, etc.).In the case of a ret-
rofit of anexistingbuilding, it provides new
available capacity for other needs.Some utili-
tiesarestillwillingto"purchase"these
"negawatts"with upfront rebates that help off-
set the buildingowner's first cost.Conceptu-
ally, theg lazingsystembecomes anenergy
source (relativeto aconventionalalternative) and
the utility makes an investment in this "energy
system" as if it were a new power plant.These
payments canrangefrom$0.50 to $5.00 per
square foot of glazing.As the electric utility in-
dustry is restructured stateby state, distributed
generation optionsandreal time pricing will pro-
videadditional incentives to manage electric
demand carefully.

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