Hot water09321000-5Electricity, heating, solar and nuclear energy
Steam09322000-2Electricity, heating, solar and nuclear energy
District heating09323000-9Electricity, heating, solar and nuclear energy
Long-distance heating09324000-6Electricity, heating, solar and nuclear energy
Solar energy09330000-1Electricity, heating, solar and nuclear energy
Solar panels09331000-8Electricity, heating, solar and nuclear energy
Solar collectors for heat production09331100-9Electricity, heating, solar and nuclear energy
Solar photovoltaic modules09331200-0Electricity, heating, solar and nuclear energy
Solar installation09332000-5Electricity, heating, solar and nuclear energy
Nuclear fuels09340000-4Electricity, heating, solar and nuclear energy