Economic assumptions become candidate expansion plans.
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Our work
Design the system. Test the future.
We are building Nohm ONE: an integrated system-design environment for turning economic choices into tested, explainable energy-system pathways.
Core platform
Nohm ONE
Nohm ONE connects the outer investment question to the operational detail that decides whether a pathway works. It carries one canonical structure through economics, reliability, resources, dispatch and assurance, then returns the result to the next investment decision.
Explore the Nohm platformAvailability, outages and maintenance shape what can operate.
Storage, fuels and water carry targets through the system.
Nohm Flow, PyPSA or PLEXOS can execute the same declared intent.
Balance, sensitivity, cost, reliability and risk return to the plan.
Every hand-off preserves assumptions, mappings and provenance. Sensitivity can revisit the stage it changes instead of becoming a disconnected scenario.

A component of Nohm ONE
The Joule Model
The Joule Model is one modelling layer inside Nohm ONE: a coupled European scenario for testing how investment, demand, weather, networks and technology choices interact.
- Horizon
- 2050 and beyond
- Resolution
- Continental to node
- Carriers
- Electricity, hydrogen, methane, synthetic fuels
The work around the platform
Build the layer the question needs.
Energy modelling
Connect carriers, sectors, networks and time into a model whose assumptions can be tested. ↗
Capacity planning
Turn adequacy, flexibility and system constraints into a sequenced infrastructure pathway. ↗
AI engineering
Build governed assistants around the models, data and decisions people already own. ↗
Working method
Scope. Build. Test. Explain.
- 01Frame the decision
Define the actor, horizon, constraints and evidence needed.
- 02Connect the system
Represent carriers, sectors, geography and infrastructure together.
- 03Stress the result
Test sensitivities, uncertainty, weather and competing interpretations.
- 04Make it legible
Publish assumptions, provenance and implications in decision-ready form.
Partnerships & consortiums
Some questions need more than one discipline.
We are open to partnerships and consortiums with public bodies, system operators, research organisations, infrastructure developers and technology teams. We define the question, roles and review points together.
Discuss a partnership