U.S. Department of Energy - Energy Efficiency and Renewable Energy

Building Technologies Program – Appliances and Commercial Equipment Standards

Distribution Transformers NOPR Analytical Spreadsheets

The spreadsheets below provide the NOPR findings and interactive tools for the Engineering Analysis, the Life-Cycle Cost Analysis, the National Impact Analysis, the Manufacturer Impact Analysis and Regulatory Impact Analysis. Instructions on how to use the Life-Cycle Cost Analysis and National Impact Analysis spreadsheets can be found in the Technical Support Document.

Engineering Analysis

Life Cycle Cost Calculations by Design Line

Design Lines 1-5 are Liquid-Immersed, Medium-Voltage

  • Design Line 1: 50kVA, Single-Phase
  • Design Line 2: 25kVA, Single-Phase
  • Design Line 3: 500kVA, Single-Phase
  • Design Line 4: 150kVA, Three-Phase
  • Design Line 5: 1500kVA, Three-Phase

Design Lines 9-13 are Dry-Type, Medium-Voltage, Three-Phase

  • Design Line 9: 300kVA, 20-45 kV BIL
  • Design Line 10: 1500kVA, 20-45 kV BIL
  • Design Line 11: 300kVA, 46-95 kV BIL
  • Design Line 12: 1500kVA, 46-95 kV BIL
  • Design Line 13: 2000kVA, 46-95 kV BIL

National Impact Analysis

Manufacturer Impact Analysis

Regulatory Impact Analysis (RIA)