Scenario Comparison
Compare energy scenarios
Ambitious nuclear and rooftop solar expansion to avoid landscape-impacting wind and alpine solar units
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A balanced build-out of renewables, focusing on solar and wind. Green gas as winter-backup
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Targets of 35 TWh of renewable energy by 2035 and 45 TWh by 2050, plus 6 TWh of renewable winter electricity, of which 2 TWh hydropower
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Without increased investments, winter import dependency will rise strongly, making blackouts likely after the nuclear shutdown
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Totals
Year 2050
Landscape
Renewables
Energy Law
BAU
Production
Demand
Demand
Year 2050
Landscape
Renewables
Energy Law
BAU
Conventional
Electromobility
Heat pumps
Hydrogen
Losses
Values in TWh
Surplus
Import
Technology transition
Year
Landscape
Renewables
Energy Law
BAU
2025 Year
TWh
Costs
in billion CHF
Landscape
Renewables
Energy Law
BAU
Total costs
Revenues
Levelized costs
CHF/MWh
Landscape
Renewables
Energy Law
BAU
2020s
2030s
2040s

The seasonal impact

Looking at winter, summer, and full year in an energy scenario reveals seasonal variations in demand (e.g., heating vs. cooling) and supply (e.g., solar availability), helping optimize resource use and ensure system resilience year-round.

Values in TWh