THE TOTAL CAPACITY IN CTR IS 2100 MJ/S In a case of a shutdown, or in peak load situations, CTR has 1040 MJ/s of peak load and reserve capacity (ultimo 2020): • 450 MJ/s of gas-fired boilers • 470 MJ/s of oil-fired boilers • 120 MJ/s electrical boilers
Next step… Integrating more green and sustainable energy sources, without increasing prices, is the next step. This is where the electric kettle comes in the picture – or electrical driven boilers as they are called this size. They are placed in Peak Load Stations (PLS) smoothen out peaks in energy
supply and demand. They absorb electrical energy from wind turbines when the wind is blowing and too much electricity in the net, and they supply energy to the DH network when it is cold, and the heat demand is too high. This is very important for stabilizing a DH net. Today PLS boilers in the CTR system are gas-fired, oil-fired or electrical. The PLS has low operation hours and fast response time in case of a CHP plant shutdown. Even though they only deliver 5 % of the heat, they contribute significantly to the CO 2 emission. Thus, converting PLS from fossil fuels as gas and oil is important for reducing CO 2 emissions and CTR is converting PLS stations to be CO 2 neutral in 2025. But the lifecycle of a PLS is 30 -50 years. Many things must be considered!
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