The utility model provides a solid heat storage electric boiler and heat accumulation peak shaving system who strides natural water body combination in season, includes the heating system of power plant, strides natural water system interconnected system in season, solid heat storage electricity boiler system and heat supply network water circulation system, it all collects and drainage system including water collecting sump, heat accumulation water, water -locator, submarine protective layer and water surface thermal insulation overburden, rainwater to stride season natural water system, solid heat storage electricity boiler system includes the solid heat storage electric boiler and connects electric wire netting and pipeline, the heating system of power plant includes heating network heater. The utility model discloses a regional heating technology of thermoelectricity heat supply unit operational flexibility technique and electric boiler to what combine summer strides natural water body heat accumulation in season, can realize thermal power plant's degree of depth peak regulation in summer, thereby show the elevating mast generator system online peak -load regulation in summer, both can effectively alleviate the renewable energy predicament of dissolving, can realize the hydrothermal big scale of construction cross -season heat accumulation of heat supply again, will have wide market development prospect future.