A solar inverter comprising a cooling module, a DC module, an inverter module and an AC module, wherein: the cooling module is configured to pump a fluid coolant around the solar inverter in order to cool one or more elements of the DC module, the inverter module and/or the AC module; characterized in, that the cooling module, the DC module, the inverter module and the AC module are provided side-by-side within a chassis of the solar inverter; the DC module comprises an input, a disconnection switch and an output, wherein the input of the DC module is configured to be connected to a DC solar power source and wherein the disconnection switch of the DC module is provided on the exterior of the chassis and is provided for electrically disconnecting the input and the output of the DC module; the inverter module comprises an input coupled to the output of the DC module and an output, wherein the inverter module is configured to convert DC power at the input of the inverter module into AC power at the output of the inverter module; the AC module comprises an input coupled to the output of the inverter module, an output and a disconnection switch, wherein the disconnection switch of the AC module is provided on the exterior of the chassis and on the same side of the chassis as the disconnection switch of the DC module, and wherein the disconnection switch for the AC module is provided for electrically disconnecting the output of the inverter module and the output of the AC module; and the cooling module is configured to pump a fluid coolant around the solar inverter in order to cool one or more elements of the DC module, the inverter module and/or the AC module. the cooling module is configured to pump a fluid coolant around the solar inverter in order to cool one or more elements of the DC module, the inverter module and/or the AC module; characterized in, that the cooling module, the DC module, the inverter module and the AC module are provided side-by-side within a chassis of the solar inverter; the DC module comprises an input, a disconnection switch and an output, wherein the input of the DC module is configured to be connected to a DC solar power source and wherein the disconnection switch of the DC module is provided on the exterior of the chassis and is provided for electrically disconnecting the input and the output of the DC module; the inverter module comprises an input coupled to the output of the DC module and an output, wherein the inverter module is configured to convert DC power at the input of the inverter module into AC power at the output of the inverter module; the AC module comprises an input coupled to the output of the inverter module, an output and a disconnection switch, wherein the disconnection switch of the AC module is provided on the exterior of the chassis and on the same side of the chassis as the disconnection switch of the DC module, and wherein the disconnection switch for the AC module is provided for electrically disconnecting the output of the inverter module and the output of the AC module; and the cooling module is configured to pump a fluid coolant around the solar inverter in order to cool one or more elements of the DC module, the inverter module and/or the AC module.