Operation of district heat network in electricity and balancing markets with the power-to-heat sector couplingJavanshir, Nima; Syri, Sanna; Tervo, Seela; Rosin, ArgoEnergy2023 / art. 126423 https://doi.org/10.1016/j.energy.2022.126423 Optimal operation of district heat network in electricity and balancing marketsJavanshir, Nima; Syri, Sanna; Tervo, Seela; Rosin, ArgoSSRN2022 / 38 l https://doi.org/10.2139/ssrn.4074474