Commercial vehicle, comprising two frame longitudinal members connected to each other by cross members; and a device for dissipating energy in the event of a crash-induced energy impact on the commercial vehicle, the device comprising a deformation device which can be deformed in the event of a crash by reducing impact forces, and a first receiving element and a second receiving element for fastening the deformation device to the two longitudinal frame members of the commercial vehicle, wherein the deformation device is connected at a first end region to the first receiving element and at an opposite second end region to the second receiving element, wherein the first receiving element and the second receiving element are designed such that the first receiving element and the second receiving element are each fastened to one of the frame longitudinal members; wherein the deformation device and the first and second receiving elements are designed such that the receiving elements are each fastened to the frame longitudinal members, the deformation device extends above and transversely to the frame longitudinal members, characterised in that the commercial vehicle is a battery-electric commercial vehicle, having at least one high-voltage component of a battery-electric drive of the commercial vehicle, which is arranged between the longitudinal frame members and below an occupied area of the driver's cab, the deformation device being arranged in front of the at least one high-voltage component, as viewed in the direction of forward travel, in order to protect the at least one high-voltage component in the event of the commercial vehicle colliding with a trailer travelling in front as a result of a crash. two frame longitudinal members connected to each other by cross members; and a device for dissipating energy in the event of a crash-induced energy impact on the commercial vehicle, the device comprising a deformation device which can be deformed in the event of a crash by reducing impact forces, and a first receiving element and a second receiving element for fastening the deformation device to the two longitudinal frame members of the commercial vehicle, wherein the deformation device is connected at a first end region to the first receiving element and at an opposite second end region to the second receiving element, wherein the first receiving element and the second receiving element are designed such that the first receiving element and the second receiving element are each fastened to one of the frame longitudinal members; wherein the deformation device and the first and second receiving elements are designed such that the receiving elements are each fastened to the frame longitudinal members, the deformation device extends above and transversely to the frame longitudinal members, characterised in that the commercial vehicle is a battery-electric commercial vehicle, having at least one high-voltage component of a battery-electric drive of the commercial vehicle, which is arranged between the longitudinal frame members and below an occupied area of the driver's cab, the deformation device being arranged in front of the at least one high-voltage component, as viewed in the direction of forward travel, in order to protect the at least one high-voltage component in the event of the commercial vehicle colliding with a trailer travelling in front as a result of a crash.