System for distributing and storing electric energy, comprising: - a first input terminal connectable to a fixed electric network for withdrawing electric energy from the latter; - a second input terminal connected or connectable to an electric energy source alternative to the fixed electric network, particularly a renewable energy source, for withdrawing electric energy from the latter; - an output terminal for delivering electric energy to one or more users; - a first input/output terminal connected to a first storage system for storing electric energy in the latter and for withdrawing stored electric energy from the same; - a second input/output terminal connected to a second storage system for storing electric energy in the latter and withdrawing stored electric energy from the same, the second storage system being of a type different from the first storage system, and - a control module configured in order to deliver electric energy to one or more users by withdrawing it until an instantaneous required quantity is reached, characterized in that the control module is configured for withdrawing said instantaneous required quantity of energy with the following sequence: 1) from the second input terminal connected to the electric energy source alternative to the fixed electric network; 2) from the first input/output terminal connected to the first storage system; 3) from the second input/output terminal connected to the second storage system; 4) from the first input terminal connected to the fixed electric network. - a first input terminal connectable to a fixed electric network for withdrawing electric energy from the latter; - a second input terminal connected or connectable to an electric energy source alternative to the fixed electric network, particularly a renewable energy source, for withdrawing electric energy from the latter; - an output terminal for delivering electric energy to one or more users; - a first input/output terminal connected to a first storage system for storing electric energy in the latter and for withdrawing stored electric energy from the same; - a second input/output terminal connected to a second storage system for storing electric energy in the latter and withdrawing stored electric energy from the same, the second storage system being of a type different from the first storage system, and - a control module configured in order to deliver electric energy to one or more users by withdrawing it until an instantaneous required quantity is reached, characterized in that the control module is configured for withdrawing said instantaneous required quantity of energy with the following sequence: 1) from the second input terminal connected to the electric energy source alternative to the fixed electric network; 2) from the first input/output terminal connected to the first storage system; 3) from the second input/output terminal connected to the second storage system; 4) from the first input terminal connected to the fixed electric network. 1) from the second input terminal connected to the electric energy source alternative to the fixed electric network; 2) from the first input/output terminal connected to the first storage system; 3) from the second input/output terminal connected to the second storage system; 4) from the first input terminal connected to the fixed electric network.