An energy management device for placement on a portion of an electrical distribution grid downstream of a source connection and upstream of an energy consumer connection, the energy management device comprising: (i) a primary electrical connection terminal for receiving power from a source connection, the primary electrical connection terminal comprising a first voltage sensor and a first current sensor; (ii) at least one secondary electrical connection terminal for providing power to a consumer, the at least one secondary electrical connection terminal comprising a second voltage sensor and a second current sensor; (iii) a modular electrical circuit in electrical communication with the primary electrical connection terminal and the at least one secondary electrical connection terminal, the electrical circuit in thermal connection with a heat exchange system for dissipation of heat generated by the electric circuit; (iv) an internal performance sensor for monitoring a performance parameter of the device; (v) a controller configured to control the electrical circuit, the controller comprising at least one computer processor and nonvolatile memory coupled to the computer processor in operable communication with the first and second voltage sensors, the first and second current sensors, and the internal performance sensor, so as to receive an output signal from the first and second voltage sensors and the first and second current sensors and an internal performance signal from the internal performance sensor; (vi) at least one communication device in operable communication with the controller; (vii) wherein the nonvolatile memory comprises computer program code embodied therein that, when executed by the processor, is configured to perform operations comprising: (a) receiving an internal performance signal; (b) comparing the internal performance signal to a reference value; and (c) using the communication device, transmitting to an end user data relating to the performance signal following such comparing; and (viii) wherein the modular electrical circuit further comprises a Power Factor Correction stage and a Voltage Regulation stage, wherein the Power Factor Correction stage and Voltage Regulation stage are disposed on opposite sides of a central DC power stage, thereby providing harmonic isolation between the primary electrical connection terminal and the at least one of the at least one secondary electrical connection terminals. (i) a primary electrical connection terminal for receiving power from a source connection, the primary electrical connection terminal comprising a first voltage sensor and a first current sensor; (ii) at least one secondary electrical connection terminal for providing power to a consumer, the at least one secondary electrical connection terminal comprising a second voltage sensor and a second current sensor; (iii) a modular electrical circuit in electrical communication with the primary electrical connection terminal and the at least one secondary electrical connection terminal, the electrical circuit in thermal connection with a heat exchange system for dissipation of heat generated by the electric circuit; (iv) an internal performance sensor for monitoring a performance parameter of the device; (v) a controller configured to control the electrical circuit, the controller comprising at least one computer processor and nonvolatile memory coupled to the computer processor in operable communication with the first and second voltage sensors, the first and second current sensors, and the internal performance sensor, so as to receive an output signal from the first and second voltage sensors and the first and second current sensors and an internal performance signal from the internal performance sensor; (vi) at least one communication device in operable communication with the controller; (vii) wherein the nonvolatile memory comprises computer program code embodied therein that, when executed by the processor, is configured to perform operations comprising: (a) receiving an internal performance signal; (b) comparing the internal performance signal to a reference value; and (c) using the communication device, transmitting to an end user data relating to the performance signal following such comparing; and (a) receiving an internal performance signal; (b) comparing the internal performance signal to a reference value; and (c) using the communication device, transmitting to an end user data relating to the performance signal following such comparing; and (viii) wherein the modular electrical circuit further comprises a Power Factor Correction stage and a Voltage Regulation stage, wherein the Power Factor Correction stage and Voltage Regulation stage are disposed on opposite sides of a central DC power stage, thereby providing harmonic isolation between the primary electrical connection terminal and the at least one of the at least one secondary electrical connection terminals.