A thermal server plant arranged to be connected to a thermal energy circuit comprising a hot conduit configured to allow heat transfer liquid of a first temperature to flow therethrough, and a cold conduit configured to allow heat transfer liquid of a second temperature to flow therethrough, the second temperature is lower than the first temperature, the thermal server plant comprising: a balancing device arranged to be connected to the hot conduit and to the cold conduit for selectively allowing heat transfer liquid to flow from the hot conduit, via a regulator and a heat exchanger of the balancing device, into the cold conduit or allowing heat transfer liquid to flow from the cold conduit, via the regulator and the heat exchanger, into the hot conduit, wherein the regulator is configured to regulate the flow of heat transfer liquid between the hot and cold conduits (12, 14) through the balancing device, and wherein the heat exchanger is configured to alter the temperature of the heat transfer liquid flowing through the balancing device by selectively cool heat transfer liquid from the hot conduit or heat heat transfer liquid from the cold conduit; characterized in a pressure difference determining device adapted to determine a local pressure difference, Δp local, between a hot conduit local pressure, p h, of heat transfer liquid of the hot conduit and a cold conduit local pressure, p c, of heat transfer liquid of the cold conduit, Δp local =p h -p c; and wherein the regulator is configured to, based on the local pressure difference, regulate the flow of heat transfer liquid between the hot and cold conduits (12, 14). a balancing device arranged to be connected to the hot conduit and to the cold conduit for selectively allowing heat transfer liquid to flow from the hot conduit, via a regulator and a heat exchanger of the balancing device, into the cold conduit or allowing heat transfer liquid to flow from the cold conduit, via the regulator and the heat exchanger, into the hot conduit, wherein the regulator is configured to regulate the flow of heat transfer liquid between the hot and cold conduits (12, 14) through the balancing device, and wherein the heat exchanger is configured to alter the temperature of the heat transfer liquid flowing through the balancing device by selectively cool heat transfer liquid from the hot conduit or heat heat transfer liquid from the cold conduit; wherein the regulator is configured to regulate the flow of heat transfer liquid between the hot and cold conduits (12, 14) through the balancing device, and wherein the heat exchanger is configured to alter the temperature of the heat transfer liquid flowing through the balancing device by selectively cool heat transfer liquid from the hot conduit or heat heat transfer liquid from the cold conduit; characterized in a pressure difference determining device adapted to determine a local pressure difference, Δp local, between a hot conduit local pressure, p h, of heat transfer liquid of the hot conduit and a cold conduit local pressure, p c, of heat transfer liquid of the cold conduit, Δp local =p h -p c; and wherein the regulator is configured to, based on the local pressure difference, regulate the flow of heat transfer liquid between the hot and cold conduits (12, 14).