FortisBC Inc. (FortisBC) Application for a Certificate of Public ...

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Response:
FortisBC Inc. (FortisBC or the Company)
Application for a Certificate of Public Convenience and Necessity
for the Advanced Metering Infrastructure Project
Response to British Columbia Utilities Commission (BCUC or the Commission)
Information Request (IR) No. 1
Submission Date:
October 5, 2012
Page 266
110.1 Please provide the supporting analysis for the estimated power purchase savings
for 2016, 2020 and 2030 calculated for TOU, CPP and Pre-Pay. Please state all
assumptions used in the analysis.
The savings calculations in the referenced table sum together for each conservation rate type in
each year:
• forecast residential load x participation rate x energy savings rate x 2011 BC Wholesale
Market Energy rate; and
• forecast capacity x participation rate x capacity savings rate x forecast BC Wholesale
Market Capacity rate
Response:
110.2 Does the estimate of avoided power purchase costs as a result of conservation
rate structures relate to residential customers only? If not, please provide a
breakdown of the results by the main customer classes.
The estimated savings in Table 6.5a result from Residential customers only. The following
tables show the savings from Commercial, Industrial and Wholesale customers calculated on
the same basis as Residential.
Participation
Rate
Table BCUC IR1 Q110.2a - Commercial
Per
Participant
Savings
(Capacity)
Incremental
to RIB
Per
Participant
Savings
(Energy)
Incremental
to RIB
2016 Power
Purchase
Savings
($000s)
2020 Power
Purchase
Savings
($000s)
2030 Power
Purchase
Savings
($000s)
TOU 20% 10.50% 3.60% 486 523 643
CPP 20% 9.50% 0.00% 63 84 164
PrePay 8% 5.30% 9.80% 369 386 431