Optimization of Extended CHP Plants with Energy Storages — an Open-Source Approach

Abstract

An extended CHP system in a characteristic future market situation with a share of 50% electric energy provided by renewable energy sources is analysed using the open energy modelling framework oemof. Cost-optimal plant configurations are computed based upon assumptions for investments costs and energy prices. The results show that thermal storages are always integrated in the optimum plant layout with little sensitivity to all assumptions. A storage for electrical energy is only considered if sufficiently high price periods occur in the electric energy market. This result is highly sensitive to assumptions regarding storage cost and energy prices. The model is made available open-source for further use.

Techno-economic modelling and optimisation of excess heat and cold recovery for industries: A review

“…Wolf et al studied the possibility of increasing flexibility in CHP plants by investing in different types of storage. Both thermal and electrical storage is considered in the study [136]. Fattori et al studied the potential of DHSs as flexibility providers in a future energy system with large shares of renewable power generation [137].…”