NorthWestern Energy Group, Inc. · NASDAQ:NWE

NorthWestern Energy — Technical Presentation (November 2016)

39 slides from NorthWestern Energy's technical presentation, Nov 10, 2016

  1. Slide 1: NorthWestern Energy End-Use & Potential Study Findings

    NorthWestern Energy End-Use & Potential Study Findings November 10, 2016

  2. Slide 2: Agenda

    Agenda • End Use study • Methods • Consumption findings • Willingness to pay • Potential study findings and comparison • Potential study • Sector-level results • 2009 vs 2015 • 2015 vs NWPCC 7th Plan ACEEE Summer Study Confidential 2 2014

  3. Slide 3: End-Use Study

    End-Use Study ACEEE Summer Study Confidential 3 2014

  4. Slide 4: End-Use and Load Profile Study Methodology: Objectives

    End-Use and Load Profile Study Methodology: Objectives • Characterize NorthWestern Energy’s current sales data by sector and end-use • Evaluate breakdown of existing building types • Calibrate load shapes to historical sales data • Provide pertinent inputs to the demand-side management potential stu

  5. Slide 5: End-Use and Load Profile Study Methodology: Primary Data Collection

    End-Use and Load Profile Study Methodology: Primary Data Collection • On-site surveys were used as primary data source • Site visits included rural and urban locations ACEEE Summer Study Confidential 5 2014

  6. Slide 6: End-Use and Load Profile Study Methodology: Secondary Data Collection

    End-Use and Load Profile Study Methodology: Secondary Data Collection • Nexant supplemented its primary research with secondary data sources • NorthWestern Energy’s on-site energy audits • Large sample size • Reliable data collection protocol • Regionally accurate ACEEE Summer Study Confidential 6 2

  7. Slide 7: Overall Electric and Natural Gas Consumption by End Use

    Overall Electric and Natural Gas Consumption by End Use Electricity Natural Gas Cooking Other Industrial 3.8% Cooling 8.9% 13.5% 6.4% HVAC Auxiliary Water Heat 6.6% 3.6% Heat Pump Space Heat 0.8% Water Heating 4.4% 20.3% Heating Lighting 70.7% 22.6% Refrigeration 12.4% Plug Load Other 17.0% 8.8% ACE

  8. Slide 8: Overall Electric and Natural Gas Load Profile by Sector

    Overall Electric and Natural Gas Load Profile by Sector Electricity Consumption (GWh) Commercial Residential Industrial Natural Gas Consumption (dKt) ACEEE Summer Study Confidential 8 Commercial Residential Industrial 2014

  9. Slide 9: Residential Electric Consumption by Segment and End Use

    Residential Electric Consumption by Segment and End Use Multi-Family, 11.4% Manufactured, 8.9% LI Single Family, 3.0% LI Multi-Family, 0.5% Single Family, LI Manufactured, 75.8% 0.4% Refrigerator Room Heat 11.8% 7.1% Water Heat 7.8% Plug Load Central Heat 22.4% 1.3% Cooking Other Oven 5.8% 2.5% Heat

  10. Slide 10: Residential Natural Gas Consumption by Segment and End Use

    Residential Natural Gas Consumption by Segment and End Use Multi-Family, 5.5% Manufactured, 10.3% LI Single Family, 3.3% LI Multi-Family, 0.2% Single Family, 80.2% LI Manufactured, 0.4% Room Heat Water Heat 10.7% 17.1% Cooking Oven 2.9% Cooking Range 2.9% Dryer, 0.2% Central Heat Other, 2.9% 63.4% A

  11. Slide 11: Commercial Electric Consumption by Segment and End Use

    Commercial Electric Consumption by Segment and End Use Warehouse Education Grocery 7.4% 6.9% 5.9% Large Health Small Office 4.7% 16.3% Large Office 7.3% Small Health 4.7% Lodging 6.1% Retail 16.9% Miscellaneous Restaurant 19.4% 4.3% Other, 14.0% Lighting, 30.7% Refrigeration, 12.3% Ext. Lighting, 4.

  12. Slide 12: Commercial Natural Gas Consumption by Segment and End Use

    Commercial Natural Gas Consumption by Segment and End Use Education Grocery 6.0% 3.2% Lodging Warehouse 4.4% 4.8% Miscellaneous Small Office 22.9% 35.7% Restaurant 5.5% Small Health Retail 3.5% 14.0% Other, 14.0% Water Heating, 8.6% Heating, 77.4% ACEEE Summer Study Confidential 12 2014

  13. Slide 13: Residential Lighting Technology Saturation Findings

    End Use Study: Residential Lighting Technology Saturation Findings Residential Sector Type of Bulb % Sockets - 2009 % Sockets - 2015 Incandescent 65.6% 50.0% CFL 22.9% 33.0% Halogen 3.0% 1.7% LED 0.2% 8.4% Linear 8.3% 6.4% Fluorescent Other N/A 0.5% ACEEE Summer Study Confidential 13 2014

  14. Slide 14: Commercial Lighting Technology Saturation Findings

    End Use Study: Commercial Lighting Technology Saturation Findings Commercial Sector % Fluorescent % Fluorescent Lamp Type Fixtures - 2009 Fixtures - 2015 T12 42.9% 6.2% T8 53.2% 86.4% T10 1.4% 0.0% T8 Plus 0.7% 0.0% T5 0.8% 7.4% T5HO 1.0% 0.0% ACEEE Summer Study Confidential 14 2014

  15. Slide 15: Residential Willingness to Pay Findings

    End Use Study: Residential Willingness to Pay Findings 10.00 Average Likelyhood to 9.00 Refrigerator (n=84) 8.00 LED (n=79) Purchase CFL (n=69) 7.00 Furnace (n=67) 6.00 Central Air (n=26) 5.00 Insulation (n=73) 4.00 0% 25% 50% 75% 100% Percent of Incremental Cost Incented LEDs CFLs 100% 85% LIkely'

  16. Slide 16: Commercial Willingness to Pay Findings

    End Use Study: Commercial Willingness to Pay Findings 10.0 9.0 Average Likelihood of Purchase 8.0 T12 -> T8 (n=6) 7.0 T8 -> HP T8 (n=60) HPS/MH -> T5 (n=12) 6.0 CFL/Incandescent -> CFL (n=12) 5.0 Occupancy Sensor (n=71) 4.0 3.0 0% 25% 50% 75% 100% Percent of Incremental Cost Incented ACEEE Summer St

  17. Slide 17: Commercial Willingness to Pay Findings: Lighting

    End Use Study: Commercial Willingness to Pay Findings Commercial Lighting 100% % of customers 'extremely likely' to purchase EE Option 90% T12 -> T8 (n=6) 80% T8 -> HP T8 (n=60) 70% 60% HPS/MH -> T5 (n=12) 50% 40% CFL/Incandescent -> CFL 30% (n=12) 20% Incandescent/CFL -> LED 10% exit sign (n=9) 0%

  18. Slide 18: Electric Potential Study

    Electric Potential Study Confidential 18

  19. Slide 19: Potential Assessment Analysis

    Potential Assessment Analysis • Technical potential: • savings available if all baseline equipment stock was replaced with the most efficient measures available • Economic potential: Technical • savings available if all baseline equipment stock Potential was replaced with the most efficient measures

  20. Slide 20: Potential Study Summary Findings

    Potential Study Summary Findings aMW – 20 yr Percent of Sector Achievable Baseline Sales Potential Residential 14.1 4% Commercial 38.5 10% Industrial 9.1 8% All Sectors 61.7 7% ACEEE Summer Study Confidential 20 2014

  21. Slide 21: 2015 Potential Study Key Parameters

    2015 potential study key parameters • Avoided costs: Avoided Energy • $40.70/MWh Costs • TRC:1.0 Cost Effective- • avoided energy costs include non-energy and environmental benefits ness • Naturally occurring savings excluded from quantified potential Codes and Standards • Large population of measur

  22. Slide 22: 2015 Potential Study Impacts: Changes in Lighting Market Characterization

    2015 potential study impacts: Changes in lighting market characterization Commercial T8 Residential CFL Reduction in Reduction in saturation saturation commercial residential increased from increased from lighting end-use lighting end-use 53% to 86% and 23% to 33% and consumption of consumption of T

  23. Slide 23: 2015 Potential Study Key Drivers: Residential

    2015 potential study key drivers: residential • 60W CFL-equivalent energy savings reduced by 69% • EISA efficiency requirements • Residential lighting hours of use modeled at 2.02 hours • EISA backstop • Study assumes lighting efficiency standard similar to that of a CFL beginning in 2020 • Reduced

  24. Slide 24: 2015 Potential Study Key Drivers: Commercial

    2015 potential study key drivers: commercial • Linear lighting baseline changed from T12 to T8. • Linear lighting saturation in 2015 creates opportunity for potential: • ~86% T8 saturation • ~8% T5 or T5HO lighting • Reduced costs of LEDs • Permits several LED technologies to be cost effective • Lar

  25. Slide 25: Potential Models: Overview

    Potential Models: Overview Projected Potential by Sector: 2015 – 2034 4,000,000,000 3,500,000,000 3,000,000,000 2,500,000,000 kWh 2,000,000,000 Industrial Commercial 1,500,000,000 Residential 1,000,000,000 500,000,000 0 Tech. Econ. Ach. Ach. Ach. Low Mid High ACEEE Summer Study Confidential 25 2014

  26. Slide 26: Potential Models: Residential Overview

    Potential Models: Residential Overview Potential Savings as a Percentage of Sales by Scenario (annual incremental savings) 2.50% 2.00% Percent of Baseline Sales 1.50% Tech Econ AchBase AchMod 1.00% AchHigh 0.50% 0.00% ACEEE Summer Study Confidential 26 2014

  27. Slide 27: Residential Economic Potential Savings by Segment

    Potential Models: Residential Overview Economic Potential Savings by Segment Multifamily 6.8% Manufactured 12.5% Low Income Single Family, 3.9% Low Income Single Family Multifamily, 0.4% 75.8% Low Income Manufactured, 0.7% Confidential 27

  28. Slide 28: Residential Economic Potential Savings by End Use

    Potential Models: Residential Overview Economic Potential Savings by End Use Plug Load 12.4% Exterior Lighting Interior Lighting 9.4% 27.3% Central Heat 2.3% Water Heat 2.0% Other, 0.2% HVAC Aux Clothes 32.1% 14.3% ACEEE Summer Study Confidential 28 2014

  29. Slide 29: Behavioral Program Cost Effectiveness Testing

    Behavioral program cost effectiveness testing • Key assumptions: • 20-year levelized avoided cost of energy: $0.0407/kWh • Cost: $15.00/report • Upfront programming cost: $0.00 • Decay rate: 20% • Annual forecast consumption: 1.2% • Annual customer consumption: 10,994 kWh • Average of 75% quartile •

  30. Slide 30: Potential Models: Commercial Overview

    Potential Models: Commercial Overview Potential Savings as a Percentage of Sales by Scenario (annual incremental savings) 5.00% 4.50% 4.00% 3.50% Percent of Baseline Sales 3.00% Tech Econ 2.50% AchBase 2.00% AchMod AchHigh 1.50% 1.00% 0.50% 0.00% Confidential 30

  31. Slide 31: Commercial Economic Potential Savings by Segment

    Potential Models: Commercial Overview Economic Potential Savings by Segment Restaurant Retail 8.6% 13.9% Warehouse Small Office 10.2% 8.1% Small Health 4.0% Miscellaneous 6.3% Lodging 5.7% Large Office 2.8% Large Health 5.9% Education Street Lighting 7.3% 0.3% Grocery 26.9% Confidential 31

  32. Slide 32: Commercial Economic Potential Savings by End Use

    Potential Models: Commercial Overview Economic Potential Savings by End Use Refrigeration 31.7% Plug Load Miscellaneous 4.7% 2.0% Exterior Lighting, 0.3% Space Heat, 0.1% Water Heat, 0.3% Cooling Chillers, 0.4% Heat Pump, 1.1% Linear Lighting 28.5% HVAC Aux Cooking Lighting 11.6% 2.9% 16.4% Confiden

  33. Slide 33: Potential Models: Industrial Overview

    Potential Models: Industrial Overview Potential Savings as a Percentage of Sales by Scenario (annual incremental savings) 1.60% 1.40% 1.20% Percent of Baseline Sales 1.00% Tech Econ 0.80% AchBase 0.60% AchMod AchHigh 0.40% 0.20% 0.00% Confidential 33

  34. Slide 34: Industrial Economic Potential Savings by End Use

    Potential Models: Industrial Overview Economic Potential Savings by End Use HVAC 23.6% Other 2.4% Compressed Air 0.8% Motors Pumps 1.1% Lighting 51.4% Process Specific 1.1% Process Cooling 2.5% Motors Other 17.1% Confidential 34

  35. Slide 35: 2009 Achievable Potential versus 2015 Achievable Potential

    2009 Achievable Potential versus 2015 Achievable Potential 2009 - 2028 2015 - 2034 (Percent of (Percent of Sector (aMW) Baseline (aMW) Baseline Sales) Sales) Residential 42.5 12% 14.1 4% Commercial 33.1 8% 38.5 10% Industrial 8.7 12% 9.1 8% All Sectors 84.3 10% 61.7 7% Confidential 35

  36. Slide 36: 2009 vs 2015 Potential Study Key Differences: Codes & Standards

    2009 vs 2015 potential study key differences: codes & standards Montana Building Energy Independence Energy Code and Security Act (EISA) Computers • Modeled 2012 IECC • Modeled impact of • Minimal incremental • Previous study EISA 2020 lighting costs modeled 2009 IECC “backstop” provision • Reduced

  37. Slide 37: 2015 Achievable Potential vs NWPCC 7th Plan Achievable Potential

    2015 Achievable Potential vs NWPCC 7th Plan Achievable Potential NWPPC 7th Plan NorthWestern Energy Percentage of Sales Percentage of Sales Sector @ $40/MWh – @ $40/MWh – Technical Achievable Achievable Potential - Estimated Residential 13% 4% Non-Residential 18% 10% Utility Distribution 1% n/a Tota

  38. Slide 38: Questions?

    Questions? Confidential 38

  39. Slide 39: Glossary of Terms

    NorthWestern Energy Potential Study ETAC Presentation Glossary of Terms: NWPCC – Northwest Power & Conservation Council Regional organization that develops and maintains a regional power plan and a fish and wildlife program to balance the Northwest’s environment and energy needs. RBSA – Residential

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