AI-generated summary
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UARB approved Nova Scotia Power's $1,798,080 capital expenditure for the Tufts Cove Unit #3 Generator Rotor Rewind (CI# 38942) as necessary for safe and continuous generation operations.
AI summary
- The Nova Scotia Utility And Review Board approved Nova Scotia Power Inc's request on September 20, 2010 (Board Decision Letter, Document 181509) for $1,798,080 to rewind the Electricity Generation rotor at Tufts Cove Unit #3, which had been damaged during a 2009 fault and temporarily repaired under CI# 38382.
- The approved project estimate of $1,798,080 came in $203,865 below the original budget of $2,001,945, primarily because the selected contractor (National Electric Coil, Columbus, Ohio) included materials within its rewind contract price, shifting approximately $740,000 from the materials account into the contracts account (Work Order CI# 38942, Expenditure Profile table).
- An alternatives analysis (Summary of Alternatives, dated August 23, 2010) ranked a full rotor rewind (NPV $9.1M, IRR 53.2%, 3.2-year discounted payback) over outright rotor replacement (capital cost $5.3M, NPV $8.0M, IRR 18.8%), supporting the rewind as the more economical option.
- NSPI justified the 2010 expenditure as a Capital Expenditures item compliant with its Accounting Policy Section 6000 (IR-G15 Response), noting the generator had logged 1,570 starts and 211,164 operating hours since 1976 and was at end of designed operating life, making full rewinding necessary rather than a maintenance expense.
- Certain cost details and the external consultant's inspection report were withheld from public disclosure on Confidentiality grounds, with NSPI arguing that revealing supplier pricing could reduce competition and increase costs to customers in future procurements (IR-G15 Response, lines 17–31).
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What was filed
Documents filed on this day
- N-1 Redacted Work Order 9/2/2010
- 05302 Board Decision Letter 9/20/2010
- 05302 Board Decision Letter 9/20/2010