A hybrid solar panel (P) 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 (ZE) arranged beneath said photovoltaic module and wherein the cooling fluid flows, which fluid flows between an inlet zone (ZA) and a discharge zone (ZV), - inner channels extending over the entire surface of the exchange region (ZE), - the heat exchange region (ZE) 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 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 (ZA) and discharge (ZV) zones, characterized by the fact that: - the lateral ends are blocked, said lateral ends , the lateral ends and two longitudinal edges 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 (ZA) and a second opening provided in the lower wall and that lead into each of the inner channels with the discharge zone (ZV), - each of the openings has a rectangular shape which extends in the width of the honeycomb plate parallel to the blocked lateral ends and perpendicularly to the longitudinal edges of the said plate , - the inlet (ZA) and discharge (ZV) zones are in the form of collectors placed along the lower wall of said honeycomb plate at the openings , 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 (ZE) arranged beneath said photovoltaic module and wherein the cooling fluid flows, which fluid flows between an inlet zone (ZA) and a discharge zone (ZV), - inner channels extending over the entire surface of the exchange region (ZE), - the heat exchange region (ZE) 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 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 (ZA) and discharge (ZV) zones, - the lateral ends are blocked, said lateral ends , the lateral ends and two longitudinal edges 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 (ZA) and a second opening provided in the lower wall and that lead into each of the inner channels with the discharge zone (ZV), - each of the openings has a rectangular shape which extends in the width of the honeycomb plate parallel to the blocked lateral ends and perpendicularly to the longitudinal edges of the said plate , - the inlet (ZA) and discharge (ZV) zones are in the form of collectors placed along the lower wall of said honeycomb plate at the openings , such that the upper wall of said latter lies flat over the entire surface thereof. <EOS>