CleanPowerSF 2026
Integrated Resource
Plan
Powering Tomorrow, Together
6/23/2026
2 What is an IRP?
CleanPowerSF’s long-term
roadmap to clean energy
• Meet CPUC requirements
• Meet City policies and goals
• While maintaining affordability
3 New Policy and Economic Headwinds
Sources (Clockwise): Cal Matters (July 14, 2025) Wood
Mackenzie (October 2, 2025), Center for American Progress (Feb 28, 2026)m and Utility Dive (April 17, 2026)
4 New CPUC Mandated Demand
Forecast is Much Higher
Geysers Geothermal
-
1,000
2,000
3,000
4,000
5,000
6,000
7,000
2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 Gigawatt-hours
2022 IRP Demand 2026 IRP Demand
2030 demand is 36% higher in 2026 IRP
compared to 2022 IRP forecast
2035 demand is 63% higher in 2026 IRP
compared to 2022 IRP forecast
6 Analyzed 3 Energy Resource Portfolios
Key Elements 100% Renewable 100% Renewable +
Time Coincidence by 2030
100% Renewable +
Time Coincidence by 2035
100% renewable
(RPS-eligible or from GHG-free
sources)
Uses CPUC-assigned demand
forecast
Incorporates distributed energy
resources (e.g. rooftop solar),
and energy efficiency
Minimizes grid purchases
between 5 – 9 PM
Features local investment
Time Coincidence 90% Time Coincidence by
2030
90% Time Coincidence
by 2035
7 Analyzed 3 Energy Resource Portfolios
Key Elements 100% Renewable 100% Renewable +
Time Coincidence by 2030
100% Renewable +
Time Coincidence by 2035
100% renewable
(RPS-eligible or from GHG-free
sources)
Uses CPUC-assigned demand
forecast
Incorporates distributed energy
resources (e.g. rooftop solar),
and energy efficiency
Minimizes grid purchases
between 5 – 9 PM
Features local investment
Time Coincidence 90% Time Coincidence by
2030
90% Time Coincidence
by 2035
8 What is Time Coincidence?
0.0 20.0
40.0 60.0
80.0 100.0
120.0
140.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Hourly Energy (MW)
Time (Hour)
Annual Clean Energy (illustrative)
Customer Use (MWh) Clean Supply (MWh)
0.0 20.0
40.0 60.0
80.0 100.0
120.0
140.0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (Hour)
Time-Coincident Clean Energy (illustrative)
Customer Use (MWh) Clean Supply (MWh)
9 100% Renewable Portfolio
20 20 40
200
140
200
200
200
200
0 100
200
300
400
500
600
700
800
900
2026 2027 2028 2029 2030 2031 2032 2033 2034 2035
New Energy Resources by Type (MW) - Annual
Geothermal Onshore Wind Solar Storage 4h
Portfolio Additions and
Cost
Total MW
Added
1,220 MW
$/MWh
(through 2045)
$90.67
10 Time Coincident by 2030 Portfolio
Portfolio Additions and
Cost
Total MW
Added
2,580 MW
$/MWh
(through 2045)
$120.74
20 160
20 80
200
300
200 200
80 100
100
100
260
200
40 160
160
100
100
0 100
200
300
400
500
600
700
800
900
2026 2027 2028 2029 2030 2031 2032 2033 2034 2035
New Energy Resources by Type (MW) - Annual
Geothermal Onshore Wind Solar Storage 4h
11 Time Coincident by 2035 Portfolio
Portfolio Additions and
Cost
Total MW
Added
2,300 MW
$/MWh
(through 2045)
$113.47
20 20
140 120
200
300
60 200 20060
60 100
100
180
280
80 180
0 100
200
300
400
500
600
700
800
900
2026 2027 2028 2029 2030 2031 2032 2033 2034 2035
New Energy Resources by Type (MW) - Annual
Geothermal Onshore Wind Solar Storage 4h
12 Cost Comparison of Portfolios
$0
$100,000
$200,000
$300,000
$400,000
$500,000
$600,000
$700,000
2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036
Annual Cost ($000)
Year
Annual Portfolio Costs (2026-2036)
100% Renewable 90% TC 2030 Start 90% TC 2035 Start 10-Yr Financial Plan 13 Portfolio Evaluation
Lead with Affordable
and Reliable Service
Provide Cleaner
Electricity Alternatives
Invest in Local
Renewable Projects
and Local Jobs
While Providing for
Long-Term Rate and
Financial Stability
• Cost ($/MWh)
• Meets reliability standards
• Emissions rate (CO2/MWh)
• Time coincidence (%)
• Local investment ($)
• Cost over time (annual $)
• Market exposure (wholesale sales)
• Demand sensitivity & procurement
Performance MetricsCriteria
Thank You!