Spot bottlenecks early
Profiles as input for grid calculation (e.g. NEPLAN) – pinpoint hotspots such as voltage-band violations and overloaded transformers and lines.
Load modelling by Swiss Energy Planning
Load profiles for buildings
and neighbourhoods – battery capacity included.
SEP.multiload precisely simulates load curves and energy flows – down to 15-minute resolution – giving you a solid basis for decisions in grid planning, energy communities and the sale of energy services. No data entry required: all the data you need is already in the Swiss Energy Planning platform.
15 min
Time resolution
35,040
Values per year & profile
50+
Configurable parameters
SEP.multiload
v.1.0-Beta© geoimpact 2026LOAD-PROFILE SIMULATION· Daily pattern · building
3,8kW
Peak load
Electricity − PV yield
Electricity
Heat
PV yield
PV potential
15-min valuesMeteoSwiss dataCSV export
Application areas
Who is SEP.multiload for?
Realistic load profiles for planning and operations
Solid decision bases for target-grid planning, risk management and strategic asset management at building, neighbourhood or supply-area level – with load forecasts grounded in real building data.
›Target-grid planning with realistic profiles instead of blanket assumptions.
›Underpin risk management and strategic asset management.
›Monitoring and load forecasts for future scenarios.
Application in focus
From building to target grid 2050
A typical target-grid-planning scenario: building-level load profiles condense into a consistent grid model with four load types – the basis to project demand to 2035 and 2050 and spot future bottlenecks early. SEP.multiload supports you!
Four load types, one building-level model
LOAD DISTRIBUTION · NEIGHBOURHOODShare per building
Base loadE-mobilityHeat pump
Close data gaps
Reliably fill missing values via SEP data and AI.
One data basis
Consistent, building-level basis for planning, asset management and investment decisions.
Core functions
One module, six tools.
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Load modelling
Building- and neighbourhood-based simulation of electricity and heat demand at 15-minute resolution.
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PV potential analysis
Automatic calculation of solar yield and self-consumption scenarios based on roof area and irradiation.
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Scenario simulation
Flexibly configure heating replacement, PV installation and electricity demand – override and recalculate right in the interface.
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Data export
CSV export of results: load profiles at 15-minute resolution, monthly sums, daily patterns and building metadata.
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SEP integration
Seamless integration with access to authorised building and grid data – including grid-operator-specific tariffs.
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API for third-party systems
Generate load profiles via API – from single addresses through ZEV, vZEV and LEG to entire neighbourhoods, municipalities and supply areas, directly in your own systems.
Product preview
Integrated directly into the SEP platform.
SEP.multiload opens in its own lean interface – login via SEP account. You analyse while working on your project.
sep.energyapps.ch
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Data & access
Authorised data. Swiss sources.
SEP.multiload works with authorised building and grid data from the SEP platform and validated Swiss time series – developed by geoimpact.
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Login via SEP account
Access through your existing SEP account – no extra account, no separate onboarding.
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Authorised data access
Only released building and grid data, including grid-operator-specific tariffs.
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Validated Swiss data
Physics-based simulation with MeteoSwiss weather time series.
Get started
Ready for precise load profiles at the press of a button?
SEP.multiload is open in beta to all SEP users. Get in touch – we’ll show you what’s possible with your building data.