1. Energy sources and fuels
1.3 Biofuels, biogas
1.13 Small - scale solutions and production (heatpumps etc.)

2. Energy production and distribution
2.2 Distributed energy manufacturing
2.6 Purchase of fuel
2.7 Joint production of electricity and heat - CHP

4. Power plant equipment and systems
4.12 Fuel handling, transportation and storage
4.13 Process control and automation

6. Automation, operation and maintenance
6.14 Process automation