table of contents 1 0 executive summary electric energy efficiency potential study scope 6 2 implementation costs 7 3 present value savings and in 2006 8 4 definitions benefit cost tests 9 the total resource test 10 participant rate impact measure 11 utility 5 societal definition avoided 12 spending per customer on programs comparison results to other studies 15 introduction 17 approach report organization 18 characterization base usage load forecast for state vermont 19 geographic characteristics map 20 economic demographic historical kwh sales customers 21 latest iso new england peak demand 22 vdps assumption future growth