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This paper presents two energy-aware, load balanced routing schemes, called as maximum capacity path (MCP) scheme and MCP with path switching (MCP-PS) scheme, for sensor networks. In the MCP scheme, the sensor network is constructed into a layered network at first. Based on the layered network, every sensor node selects a shortest path with maximum capacity to sink. In MCP-PS, the node may switch its routing path to its sibling neighbors in order to share the traffic. The simulation results show that our MCP and MCP-PS schemes can achieve a better load-sharing and better endurance on network lifetime.