Economic assumptions become candidate expansion plans.
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Services
Energy planning across the whole system.
Our services cover energy modelling, capacity planning and the AI systems that support them. Nohm ONE brings those parts together so a question can be tested from investment assumptions through to operation.
Core platform
Nohm ONE
Nohm ONE connects an investment or planning question to the operational model needed to test it. The same assumptions move through economics, reliability, resource limits and dispatch, so the final answer can be traced back to the question and inputs.
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.
If a sensitivity changes an assumption, the analysis returns to the stage that uses it and runs again. The scenario remains connected instead of becoming a separate spreadsheet or model version.

A component of Nohm ONE
The Joule Model
The Joule Model is one part of Nohm ONE. It represents a coupled European energy system and tests how demand, weather, networks and technology choices change what the system needs.
- Horizon
- 2050 and beyond
- Resolution
- Continental to node
- Carriers
- Electricity, hydrogen, methane, synthetic fuels
Our services
Choose the service that fits the question.
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 assistants around the models, data and workflows people already use. ↗
Working method
We agree the question, build the model, test the results and explain what they mean.
- 01Agree the question
Define who needs the answer, the time horizon and the constraints to include.
- 02Connect the system
Represent carriers, sectors, geography and infrastructure together.
- 03Stress the result
Test sensitivities, uncertainty, weather and competing interpretations.
- 04Explain the answer
Set out the assumptions, sources, limitations and what the result means.
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