The utility model provides a solid electric heat storage equipment unites heat -retaining water pitcher electric wire netting degree of depth peak shaving system, including main wiring system, electricity heat storage system, heat supply network circulating water system, steam turbine steam bleeding system, its characterized in that: electricity heat storage system is newly -increased interval on the power plant is qualified for the next round of competitions the generating line, is connected with reducing transformer, and the reducing transformer other end is connected with electric heat storage equipment power supplying bus, and one or more electric heat storage equipment is connected to on the power supplying bus, say or return water side pipe setup lateral conduit at heat supply network circulating water system's water supply side pipe, with electric heat storage equipment connects, and the heat supply network circulating water is through one or more heating device heating back supply to hot user. The utility model discloses having synthesized the solid electricity and having held the heat -retaining advantage of device and heat -retaining water pitcher, the energy demand of solving in regional electric energy and heat energy is balance problem not, provides more heats to heat supply demand great area, increases the heat supply area.