Naperville city council presentation - City of Naperville

BACKGROUNDNeed for better demand-side management LoadReasons for SGIG ApplicationThe electric peak load on the system is roughly 380 Megawatts (MW)1.5 million Megawatt Hours (MWH) annuallyGenerated by 145,000 citizens, as well as commercial and industrial clientsElectric load is expected to keep growing with the growth of electronic devices in thehome plus the addition of PHEV’s coming to Naperville over the next 5-10 years Purchased bulk power contract will changeNaperville‘s power is directly purchased wholesale in a fixed 4-year contract tohedge risk against rising electricity costsIn 2011, the contract will shift to IMEA rates with a demand and energy componentThe demand component will significantly impact overall energy costs• This creates an opportunity to use Time of Use rates to shift customer demandto off-peak periods to lower wholesale power purchase costs8