Building Electrification Initiatives at Sacramento Municipal Utility District (SMUD)

Explore SMUD's proactive approach towards building electrification to achieve net-zero carbon emissions by 2030. Learn about the benefits of decarbonization, energy efficiency paradigms, and grid optimization strategies, emphasizing a shift towards cleaner and safer energy sources.

• Building Electrification
• SMUD
• Energy Efficiency
• Decarbonization
• Grid Optimization

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1. Building Electrification State of Building Electrification at SMUD February 11, 2021

2. Sacramento Municipal Utility District (SMUD) Electric utility Community-owned not-for-profit Established 1946 Population 1.5 million 2,219 employees 50% carbon free electricity 626,460 accounts 2

3. SMUDs Ambitions 2,500,000 2020 carbon emissions Carbon emissions (tonnes) 2,000,000 Supply side decarbonization 1,500,000 Community impact 1,000,000 to NET zero 2018 Plan 2030 Zero Goal SMUD s Net GHG emissions 500,000 0 2020 Plan 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 3

4. Why Decarbonize Decarbonization is: Energy Efficiency Heat pumps are 3-7x more efficient Clean There is 7x more NOx pollution from CA buildings than CA power plants Healthy Dramatically reduces pollution today inside each home Safer On average a gas pipeline catches fire every 4 days 4

5. Energy Efficiency Paradigm Expanded Energy Efficiency Electrical Efficiency Natural Gas Efficiency Electrification Efficiency 5

6. Pre-1978 vintage home emissions 6 6

7. Annual customer bill impacts >$600* annual energy bill savings for existing homes >$400 annual energy bill savings for new homes Lifetime Savings even after cost of conversion from gas * Existing homes only include space and water heating; however, with the inclusion of cooking and water heating the net savings is still >$550/year 7 Source: https://www.smud.org/-/media/Documents/Corporate/About-Us/Energy-Research-and-Development/E3-Residential-Building-Electrification-in-California-April-2019.ashx

8. Grid issues with building electrification Off peak Most electrification is not at system peak Grid utilization Electrification improves utilization of the grid by 5% On peak Electrifying space heating yields a more efficient AC thus reducing summer peak Peak Electrification Impacts kW Customer Demand 8

9. Building on Progress Building Electric Claim electrification as electricity savings in our EE reporting (2018) Set incentives based on economic value to SMUD using a 24x7x365 modeling (2018-2019) Created marginal carbon calculator for each EE and electrification measure in our portfolio (2019) Carbon set as official target in all our EE and electrification programs (2020) 9

10. Cost-effectiveness Framework Objective Achieve GHG reductions and market transformation progress to achieve SMUD s carbon goals at lowest cost Design and manage the efficiency portfolio using the following constraints 1. Annually, maximize marginal lifetime carbon reductions of installed units (inclusive of gas) 2. Lower total spending to customers including changes in electricity, natural gas, and gasoline expenditures (using Super PAC test) 3. Minimize portfolio cost to SMUD (using Super RIM test) 10

11. Short-Run Marginal Carbon Emissions of Electricity 2021 2030 Month 1 0.39 0.38 0.38 0.39 0.39 0.39 0.40 0.41 0.41 0.39 0.35 0.31 0.31 0.32 0.33 0.38 0.39 0.39 0.40 0.41 0.40 0.40 0.40 0.39 Month 1 0.20 0.20 0.20 0.20 0.18 0.18 0.17 0.13 0.17 0.09 0.04 0.04 0.03 0.05 0.06 0.07 0.18 0.18 0.16 0.15 0.15 0.17 0.20 0.21 - 2 0.22 0.22 0.22 0.22 0.21 0.20 0.16 0.13 0.14 0.08 0.03 0.03 0.02 0.02 0.02 0.03 0.12 0.13 0.09 0.07 0.09 0.15 0.18 0.21 - 3 0.19 0.20 0.20 0.19 0.19 0.19 0.14 0.09 0.07 0.02 - - - - - 0.01 0.05 0.11 0.11 0.13 0.14 0.18 0.19 0.19 - 4 0.18 0.18 0.19 0.18 0.18 0.16 0.12 0.04 0.01 - - - - - - - 0.01 0.10 0.12 0.16 0.16 0.16 0.18 0.18 - 5 0.11 0.05 0.04 0.10 0.14 0.13 0.09 0.06 0.03 0.01 - - - - - - 0.07 0.13 0.16 0.16 0.16 0.16 0.16 0.14 - 6 0.22 0.21 0.21 0.21 0.21 0.21 0.19 0.18 0.16 0.06 0.04 0.02 - - 0.04 0.19 0.21 0.21 0.21 0.21 0.22 0.22 0.22 0.22 - 7 0.24 0.23 0.22 0.22 0.23 0.24 0.23 0.22 0.22 0.21 0.20 0.21 0.20 0.25 0.28 0.32 0.32 0.30 0.28 0.27 0.27 0.27 0.25 0.25 - 8 0.25 0.25 0.25 0.25 0.25 0.24 0.22 0.21 0.20 0.18 0.16 0.13 0.14 0.22 0.28 0.32 0.34 0.32 0.30 0.29 0.28 0.27 0.26 0.26 - 9 0.25 0.25 0.25 0.25 0.26 0.25 0.20 0.19 0.18 0.11 0.08 0.05 0.08 0.13 0.21 0.29 0.30 0.29 0.29 0.28 0.27 0.27 0.27 0.26 - 10 0.25 0.25 0.25 0.25 0.25 0.25 0.22 0.15 0.08 0.05 0.02 - 0.01 0.06 0.15 0.22 0.24 0.25 0.25 0.24 0.25 0.25 0.25 0.25 - 11 0.24 0.24 0.24 0.24 0.23 0.22 0.21 0.21 0.14 0.08 0.02 0.02 0.02 0.02 0.06 0.14 0.19 0.20 0.19 0.19 0.20 0.21 0.21 0.23 12 0.22 0.22 0.23 0.22 0.21 0.19 0.18 0.17 0.20 0.16 0.09 0.08 0.10 0.10 0.12 0.17 0.19 0.17 0.18 0.18 0.18 0.18 0.18 0.21 2 0.38 0.38 0.38 0.38 0.38 0.38 0.40 0.39 0.38 0.35 0.30 0.25 0.21 0.24 0.28 0.35 0.38 0.39 0.40 0.40 0.40 0.39 0.39 0.38 3 0.36 0.35 0.36 0.35 0.33 0.34 0.36 0.33 0.28 0.20 0.10 0.09 0.16 0.19 0.28 0.34 0.35 0.36 0.37 0.37 0.36 0.35 0.35 0.35 4 0.29 0.29 0.29 0.29 0.29 0.31 0.28 0.21 0.18 0.07 0.03 0.05 0.06 0.20 0.26 0.30 0.32 0.34 0.33 0.33 0.32 0.29 0.29 0.29 5 0.20 0.20 0.20 0.22 0.26 0.26 0.19 0.14 0.11 0.10 0.09 0.09 0.15 0.20 0.26 0.28 0.31 0.32 0.32 0.31 0.31 0.31 0.26 0.22 6 0.30 0.30 0.30 0.30 0.30 0.30 0.28 0.25 0.24 0.18 0.16 0.17 0.20 0.25 0.29 0.27 0.29 0.29 0.29 0.29 0.31 0.32 0.30 0.30 7 0.34 0.33 0.33 0.34 0.34 0.35 0.33 0.29 0.27 0.24 0.25 0.26 0.29 0.33 0.33 0.34 0.40 0.42 0.41 0.40 0.39 0.36 0.35 0.35 8 0.36 0.36 0.35 0.36 0.35 0.36 0.34 0.30 0.27 0.22 0.21 0.26 0.29 0.34 0.38 0.40 0.46 0.48 0.45 0.43 0.40 0.38 0.36 0.36 9 0.38 0.38 0.37 0.37 0.39 0.41 0.40 0.33 0.30 0.23 0.21 0.24 0.29 0.36 0.41 0.42 0.46 0.46 0.44 0.44 0.43 0.41 0.40 0.39 10 0.36 0.35 0.35 0.35 0.38 0.42 0.42 0.31 0.26 0.19 0.14 0.18 0.24 0.34 0.39 0.41 0.45 0.45 0.45 0.44 0.42 0.40 0.38 0.37 11 0.40 0.40 0.40 0.40 0.40 0.40 0.41 0.40 0.37 0.33 0.30 0.25 0.25 0.29 0.35 0.38 0.39 0.40 0.40 0.40 0.40 0.40 0.40 0.41 12 0.40 0.39 0.40 0.39 0.39 0.39 0.39 0.41 0.39 0.37 0.36 0.33 0.34 0.34 0.36 0.38 0.38 0.39 0.41 0.40 0.40 0.40 0.40 0.40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hour 0.00 - - 11 SMUD s 2030 Goal is to be carbon free

12. Carbon Reduction (tonnes) Avoided Carbon Pollution Measure Installed in 2021 Whole House Fan AC - 16 SEER HPWH Heat Pump HVAC Induction Single Family PV 0.4 2.6 11.6 27.1 0.8 26.8 2021 Pollution reduction from EE is ZERO by 2030 Electrification Carbon Reduction (tonnes) 0.1 0.5 12.8 28.2 1.1 5.4 For electrification it is the full value of gas Measure Installed in 2040 Whole House Fan AC - 16 SEER HPWH Heat Pump HVAC Induction Single Family PV 2030 A Therm is worth between $5-$15 12

13. Local Ordinances Sacramento County Climate Action Plan 30-day public review, early Feb. Supporting EE & Electrification: existing Residential existing Commercial Residential SF new construction all-electric Sacramento City Electrification Ordinance Requires all-electric low-rise, new construction res & non- res, starting Jan. 1, 2023 Med./high-rise all-electric by 2026 Draft Ordinance Feb. 11th Planning and Design Commission 13

14. Low Income Electrification Goal: 100% electrified by 2040 (5 years early) 85k customers, 50k single family homes Program History Started in 2019 with 20% already electrified ~1,000 gas appliances have been replaced to date Goal to electrify every end use regardless of age or condition of the existing gas equipment at each customer touch point Needs: Moderate income program (non low income qualified) financing? Consumer awareness Clear policy / policy coordination from CEC, PUC, State and Local government Contractor drive to electrify 14

15. New Residential Electrification Goal: 100% electrified by 2026 Average ~3,500 SF and 1,500 MF per year Program History Started in 2018 401 single family homes have been electrified 20 multifamily units have been electrified 5 of the top 10 builders nationwide are in the program Over 2,400 total units are in the queue to become all-electric Incentives being offered for partial electrification and electrification ready Needs: Consumer awareness / demand Clear policy / policy coordination from CEC, PUC, State and Local government Contractor drive to electrify 15

16. Existing Residential Electrification Goal: 100% electrified by 2045 ~340k Single-Family homes Program History Started in 2018 with 17% already electrified 3,422 single family homes (equivalent) have been electrified 6,392 individual appliances have turned 5% of gas replacements went electric Incentives for panels, wiring, water and space heating, cooking Needs: Consumer awareness / demand Clear policy / policy coordination from CEC, PUC, State and Local government Contractor drive to electrify 16

17. Existing MF Residential Electrification Goal: 100% electrified by 2045 ~120k Multifamily units Program History Started in 2019 but was relaunched in Q4 2020 200 units served, 972 in the pipeline Must install heat pump water or space heating to qualify 25% additional incentive for if 50% low-income residents Incentives for panels, wiring, water and space heating, cooking Needs: Consumer awareness / demand Clear policy / policy coordination from CEC, PUC, State and Local government Contractor drive to electrify and familiarity with central HPWH 17

18. Existing Commercial Electrification Goal: 100% electrified by 2045 ~9,600 buildings Program History Launched in 2020 7 completed projects Design team incentives up to $10,000 Incentives for panels, wiring, water and space heating, cooking Needs: Consumer awareness / demand Clear policy / policy coordination from CEC, PUC, State and Local government Contractor drive to electrify 18

19. New Commercial Electrification Goal: 100% electrified by 2029 Program History Launched in 2020 Anticipate 9 project in 2021, 5 so far for 2022 Design team incentives up to $10,000 Incentives for panels, wiring, water and space heating, cooking Needs: Consumer awareness / demand Clear policy / policy coordination from CEC, PUC, State and Local government Contractor drive to electrify VRF seems very promising but need more training / awareness / education 19

20. SMUDs Residential Electrification Programs Induction cooktop/range Total Possible Incentive Base Incentive HP HVAC HPWH Bonus Program Single Family - New Construction Single Family - Existing Multifamily - New Construction Multifamily - Existing HP-HVAC Equipment Efficiency HPWH Equipment Efficiency Battery Storage $2,250 $950 $800 $1,000 $5,000 Panel & Efficiency $8,750 $0 $3,000 $2,500 $750 $1,250 $500 x $1,750 yes yes Energy Efficiency Energy Efficiency $1,000 $1,000 $500 $2,500 n/a $3,000 $3,000 n/a n/a n/a $2,500 $2,500 n/a yes n/a n/a Panel/Wiring Upgrade $500 $500 $500 $1,000 $2,500 n/a Induction Energy Efficiency x $750 $750 n/a n/a yes

21. Go Electric Express Energy Solutions Prescriptive incentives for gas to electric conversions that meet Title-24. Qualified Products list at caenergywise.com. Smud.org/ees Express.energysolutions@smud.org

22. Costs and Cost Effectiveness SMUD Lifetime Carbon (tonnes) SMUD Incentive Super RIM 2021 Super RIM 2018-2045 $/ tonne HPWH HP-HVAC Induction $ $ $ 2,500 3,000 750 11.6 27.1 0.8 $ $ $ 216 111 938 $ $ $ 251 115 1,189 $ $ $ (26) (52) (190) Market Rate Electrical Efficiency Air Cond T-Stat Freezer LI HPWH LI HP-HVAC LI-Induction $ $ $ $ $ $ 500 50 50 2,200 9,500 500 2.6 0.2 0.06 11.6 22.2 0.8 $ $ $ $ $ $ 192 250 833 190 428 625 $ $ $ $ $ $ 1,114 433 1,050 251 122 682 n/a $ $ $ $ $ 573 1,943 220 Income Low 81 434

23. Costs and Cost Effectiveness Society full cost 4,200 $ 19,200 $ 2,200 $ 9,500 $ tonnes 11.6 27.1 11.6 22.2 $/ tonne $ $ $ $ Market Rate Low Income HPWH HP-HVAC LI HPWH LI HP-HVAC 362 708 190 428

24. Costs and Cost Effectiveness

25. Costs and Cost Effectiveness

26. State of the Market

27. Marketing / Consumer Awareness 27

28. Thank you Scott Blunk scott.blunk@smud.org