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This report analyzes FERC Form 1 data for natural gas resources in the Northwest, providing O&M planning assumptions based on industry comparisons and expert estimates. Explore insights on O&M expenses for various gas turbine types.
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Sixth Northwest Conservation & Electric Power PlanO&M Planning Assumptionsfor Natural Gas Resources Maury Galbraith Northwest Power and Conservation Council Portland, OR July 17, 2008
Sources of O&M Expense Information • FERC Form 1: Annual Report of Major Electric Utilities • Utility Integrated Resource Plans • Literature Review • Industry Experts
Comparison of O&M Expense Estimates Combined Cycle Combustion Turbine (2x1)
Comparison of O&M Expense Estimates Simple Cycle Aeroderivative Turbine (LM6000)
Comparison of O&M Expense Estimates Simple Cycle Frame Turbine
Comparison of O&M Expense Estimates Internal Combustion Engine
FERC Form 1 Data • Platts O&M White Paper • Piper, Steve and Jason LaDue, “Estimation of Generating Unit O&M Expenses: Revisiting the ’80/20’ Rule,” Platts White Paper, June 15, 2007. • Describes mapping of FERC Form 1 line items to fixed and variable O&M expense categories. • Provides indicative O&M expenses • Platts “Generation Supply Curve – Historic” Database • Contains FERC Form 1 O&M expense data for 2003-2006 • Requires Platts Energy AdvantageTM license
Platts Mapping of FERC Form 1 Generating Plant Statistics to Fixed and Variable O&M
Council Extract of FERC Form 1 O&M Data • O&M Source = FERC Form 1 Actual • AND Plant Region = WECC • Number of Observations:
Limitation of FERC Form 1 Data • Regulated utility reporting (no merchant plants) • Accounting standards are subject utility interpretation (anomalously high and low cost data) • Reporting by Plant/Prime Mover combination (masks unit level detail)