Page 230 - Sustainable Cities and Communities Design Handbook

204 Sustainable Cities and Communities Design Handbook

N
X
PRC t þ PCN t TC t
L TRC ¼
t 1
t¼1 ð1 þ dÞ

N
P
N DEN it or ðDDN it where I ¼ peak periodÞ
i¼1
X
IMP ¼
t 1
t¼1 ð1 þ dÞ
Program Administrator Cost Test

N N
UAC t UAC at
X X
B pa ¼ þ
t 1 t 1
t¼1 ð1 þ dÞ t¼1 ð1 þ dÞ
N
PRC t þ INC t þ UIC t
X
C pa ¼
t 1
t¼1 ð1 þ dÞ
N
PRC t þ INC t
X
LCPA ¼
t 1
t¼1 ð1 þ dÞ
GLOSSARY OF SYMBOLS
AB at Avoided bill reductions on bill from alternate fuel in year t
AC:D it Rate charged for demand in costing period i in year t
AC:E it Rate charged for energy in costing period i in year t
ARI RIM Stream of cumulative annual revenue impacts of the program per unit
of energy, demand, or per customer. Note that the terms in the ARI
formula are not discounted, thus they are the nominal cumulative
revenue impacts. Discounted cumulative revenue impacts may be
calculated and submitted if they are indicated as such. Note also that
the sum of the discounted stream of cumulative revenue impacts does
not equal the LRI RIM *
BCR p Benefitecost ratio to participants
BCR pa Benefitecost ratio of program administrator and utility costs
BCR RIM Benefitecost ratio for rate levels
BCR TRC Benefitecost ratio of total costs of the resource
BI t Bill increases in year t
B j Cumulative benefits to participants in year j
B p Benefit to participants
B pa Benefits of the program
B RIM Benefits to rate levels or customer bills
BR t Bill reductions in year t
B TRC Benefits of the program