20 years of enabling
substantiated energy decisions


For over 20 years, Energy21 has been helping utilities and large-scale energy users to trust, organize and understand the numbers on which they base their energy decisions and design, deliver and manage their energy processes.

We are based in the Netherlands yet most of our 50 energy experts work at our client’s offices around Europe. Our joint-venture JVE21 is based in Portugal, with 20 staff members supporting our agile software developments.

Hello energy future!

We embrace the opportunities that arise from the crucial changes in the energy market, include them in our DNA and turn them into valuable assets for our customers. Energy21 initiates, tests and delivers future proof energy business models and orchestrates the according operational processes. We:

Set clear, future proof business goals
Translate these into operational process designs
Secure flawless integration & management of energy data streams
Connect financial, physical and operational parameters
Turn data into valid, complete and up-to-date information on your energy balance
Create actionable overviews that enable substantiated energy decisions


Large-scale energy users, including Closed Distribution System network operators
Energy suppliers managing a retail portfolio
Energy producers
Energy balancers
Energy traders
System administrators
System operators