A hybrid solar panel comprising: - a photovoltaic module comprising a front face and a rear face, - a heat exchanger arranged opposite the rear face of said photovoltaic module, - a cooling fluid circulating in said heat exchanger in such a way as to recuperate the heat of said photovoltaic module, - the heat exchanger comprising a heat exchange region arranged beneath said photovoltaic module and wherein the cooling fluid flows, which fluid flows between an inlet zone and a discharge zone, - inner channels extending over the entire surface of the exchange region, - the heat exchange region is formed by a double-walled honeycomb plate, wherein the honeycomb plate consists of an upper wall and a lower wall extending between two lateral ends (24a, 24b) of said plate and where between are arranged cells, wherein the cells are in the form of adjacent inner channels, which are in fluidic communication with the inlet and discharge zones, characterized by the fact that: - the lateral ends (24a, 24b) are blocked, said lateral ends (24a, 24b), the lateral ends (24a, 24b) and two longitudinal edges (26a, 26b) delimiting the honeycomb plate, - the honeycomb plate comprises a first openings arranged in the lower wall and that lead into each of the inner channels to place in fluidic communication each channel with the inlet zone and a second opening provided in the lower wall and that lead into each of the inner channels with the discharge zone, - each of the openings (23a, 23b) has a rectangular shape which extends in the width of the honeycomb plate parallel to the blocked lateral ends (24a, 24b) and perpendicularly to the longitudinal edges (26a, 26b) of the said plate, - the inlet and discharge zones are in the form of collectors (3a, 3b) placed along the lower wall of said honeycomb plate at the openings (23a, 23b), such that the upper wall of said latter lies flat over the entire surface thereof. - a photovoltaic module comprising a front face and a rear face, - a heat exchanger arranged opposite the rear face of said photovoltaic module, - a cooling fluid circulating in said heat exchanger in such a way as to recuperate the heat of said photovoltaic module, - the heat exchanger comprising a heat exchange region arranged beneath said photovoltaic module and wherein the cooling fluid flows, which fluid flows between an inlet zone and a discharge zone, - inner channels extending over the entire surface of the exchange region, - the heat exchange region is formed by a double-walled honeycomb plate, wherein the honeycomb plate consists of an upper wall and a lower wall extending between two lateral ends (24a, 24b) of said plate and where between are arranged cells, wherein the cells are in the form of adjacent inner channels, which are in fluidic communication with the inlet and discharge zones, - the lateral ends (24a, 24b) are blocked, said lateral ends (24a, 24b), the lateral ends (24a, 24b) and two longitudinal edges (26a, 26b) delimiting the honeycomb plate, - the honeycomb plate comprises a first openings arranged in the lower wall and that lead into each of the inner channels to place in fluidic communication each channel with the inlet zone and a second opening provided in the lower wall and that lead into each of the inner channels with the discharge zone, - each of the openings (23a, 23b) has a rectangular shape which extends in the width of the honeycomb plate parallel to the blocked lateral ends (24a, 24b) and perpendicularly to the longitudinal edges (26a, 26b) of the said plate, - the inlet and discharge zones are in the form of collectors (3a, 3b) placed along the lower wall of said honeycomb plate at the openings (23a, 23b), such that the upper wall of said latter lies flat over the entire surface thereof.