Largest Rooftop in US Receives Solar Panels

Boston-based Satcon, which provides powermachines.
conversion and system design solutions forThe solar array, with its Satcon inverters, is
utility-scale renewable energy projects, announcedexpected to significantly reduce the amount of
recently that it had installed four 250 kilowatt Satconelectricity the convention center currently gets from
inverters at the Orange County, Florida, Conventionlocal utility Progress Energy. Progress, which gets
Center, which is the largest solar rooftop installation inmore than one-third of its energy from nuclear
the Southeast.power (a resource it is lobbying for inclusion under
The convention center, located in Orlando, hasWaxman-Markey's renewable energy standard, or
200,000 square feet of monocrystalline photovoltaicRES), has only about 25 kilowatt-hours of solar
(PV) panels that will deliver 1.1 megawatts of cleanenergy in its mix.
solar power, or enough to power more than 100A Climate-Change Education Center inside the Orange
homes for a year.County Convention Center will show visitors and
Designed and built by Johnson Controls Inc., a leadingstudents how much solar energy is being produced at
provider of products and services that optimizeany given time, as well as information on carbon
energy use and improve comfort and security, theemissions reductions and system efficiency - a rating
solar array will also reduce carbon dioxide emissionscertain to be improved by Satcon's world-class
by an estimated 1 million pounds per year, which isinverters, which have demonstrated their reliability
the equivalent of removing 100 cars from U.S. roads.across thousands of hours of commercial use. This
The inverters, Satcon's patented PowerGate®education center also details the effects of global
Plus, convert the direct current (DC) energy from thewarming due to fossil-fuel burning.
solar array to alternating current (AC) for use in theThe solar array, a cooperative venture between
convention center. Inverters are an essential aspectJohnson Controls, Satcom and the Orlando Utilities
of alternative energy production, enabling conversionCommission (OUC), was put in service on May 14
of DC to AC, which is how the utility companieswith various Florida political figures in attendance, as
deliver power in the United States. Thus, Americanwell as representatives from the OUC, the U.S.
businesses and homes are electrically configured toDepartment of Energy, the Florida Department of
accept only AC power, with DC conversion modulesEnergy, and the Orange County Environmental
built into such items as PCs and telephone answeringProtection Agency.