Appendix B: Available Device-Level Signals

Note that device-level signals are only available via the UI and the Bulk Telemetry endpoint (see Telemetry Bulk API).

Powerwall and Solar Inverter

UI Name API Name Relevant Product Variants Description Unit
AC Voltage inverter_voltage_ac Powerwall 2, Powerwall+, Powerwall 3, Solar Inverter Voltage measured at the inverter terminals. V
solar_inverter_voltage_ac
AC Voltage L1-G solar_inverter_voltage_ac_l1_ground Solar Inverter AC voltage measured between line 1 and Ground at the inverter terminals. V
AC Voltage L2-G solar_inverter_voltage_ac_l2_ground Solar Inverter AC voltage measured between line 2 and Ground at the inverter terminals. V
Ambient Temperature ambient_temp Powerwall 2, Powerwall+, Powerwall 3 Ambient temperature measured by sensor on Powerwall air intake. °C
Current MPPT A inverter_current_mppt_a Powerwall+, Powerwall 3, Solar Inverter Current produced by the string of solar modules connected to MPPT A. A
solar_inverter_current_mppt_a
Current MPPT B inverter_current_mppt_b Powerwall+, Powerwall 3, Solar Inverter Current produced by the string of solar modules connected to MPPT B. A
solar_inverter_current_mppt_b
Current MPPT C inverter_current_mppt_c Powerwall+, Powerwall 3, Solar Inverter Current produced by the string of solar modules connected to MPPT C. A
solar_inverter_current_mppt_c
Current MPPT D inverter_current_mppt_d Powerwall+, Powerwall 3, Solar Inverter Current produced by the string of solar modules connected to MPPT D. A
solar_inverter_current_mppt_d
Current MPPT E inverter_current_mppt_e Powerwall 3 Current produced by the string of solar modules connected to MPPT E. A
Current MPPT F inverter_current_mppt_f Powerwall 3 Current produced by the string of solar modules connected to MPPT F. A
Energy Produced MPPT A inverter_energy_mppt_a Powerwall+, Powerwall 3, Solar Inverter Energy produced by the string of solar modules connected to MPPT A. Wh
solar_inverter_energy_mppt_a
Energy Produced MPPT B inverter_energy_mppt_b Powerwall+, Powerwall 3, Solar Inverter Energy produced by the string of solar modules connected to MPPT B. Wh
solar_inverter_energy_mppt_b
Energy Produced MPPT C inverter_energy_mppt_c Powerwall+, Powerwall 3, Solar Inverter Energy produced by the string of solar modules connected to MPPT C. Wh
solar_inverter_energy_mppt_c
Energy Produced MPPT D inverter_energy_mppt_d Powerwall+, Powerwall 3, Solar Inverter Energy produced by the string of solar modules connected to MPPT D. Wh
solar_inverter_energy_mppt_d
Energy Produced MPPT E inverter_energy_mppt_e Powerwall 3 Energy produced by the string of solar modules connected to MPPT E. Wh
Energy Produced MPPT F inverter_energy_mppt_f Powerwall 3 Energy produced by the string of solar modules connected to MPPT F. Wh
Frequency battery_inverter_frequency Powerwall 2, Powerwall+, Powerwall 3, Solar Inverter Frequency measured at the inverter terminals. Hz
Power MPPT A inverter_power_mppt_a Powerwall+, Powerwall 3, Solar Inverter Power produced by the string of solar modules connected to MPPT A. W
solar_inverter_power_mppt_a
Power MPPT B inverter_power_mppt_b Powerwall+, Powerwall 3, Solar Inverter Power produced by the string of solar modules connected to MPPT B. W
solar_inverter_power_mppt_b
Power MPPT C inverter_power_mppt_c Powerwall+, Powerwall 3, Solar Inverter Power produced by the string of solar modules connected to MPPT C. W
solar_inverter_power_mppt_c
Power MPPT D inverter_power_mppt_d Powerwall+, Powerwall 3, Solar Inverter Power produced by the string of solar modules connected to MPPT D. W
solar_inverter_power_mppt_d
Power MPPT E inverter_power_mppt_e Powerwall 3 Power produced by the string of solar modules connected to MPPT E. W
Power MPPT F inverter_power_mppt_f Powerwall 3 Power produced by the string of solar modules connected to MPPT F. W
On/Off Switch powerwall_switch_state Powerwall 2, Powerwall+, Powerwall 3 State of the On/Off switch found on the side of the Powerwall. Text
Reactive Power battery_inverter_reactive_power Powerwall 2, Powerwall+ Instantaneous reactive power measured at the inverter terminals. VAR
Real Power battery_inverter_real_power Powerwall 2, Powerwall+, Powerwall 3, Solar Inverter Instantaneous real/active power measured at the inverter terminals. W
Real Power RGM device_inverter_instant_power_rgm PW3 Instantaneous real/active power measured at the inverter's Revenue Grade Meter (RGM). W
Energy Produced RGM device_inverter_energy_exported_rgm PW3 Energy generated by the solar system and/or discharged by the battery. Measured at the inverter's Revenue Grade Meter (RGM). Wh
Energy Consumed RGM device_inverter_energy_imported_rgm PW3 Energy consumed by the battery. Measured at the inverter's Revenue Grade Meter (RGM). Wh
Total Solar Energy Produced inverter_energy Powerwall+, Powerwall 3, Solar Inverter DC Energy generated by the solar system. Sum of the energy produced by each MPPT. Wh
solar_inverter_energy
Voltage MPPT A inverter_voltage_dc_mppt_a Powerwall+, Powerwall 3, Solar Inverter DC voltage of the string of solar modules connected to MPPT A. V
solar_inverter_voltage_dc_mppt_a
Voltage MPPT B inverter_voltage_dc_mppt_b Powerwall+, Powerwall 3, Solar Inverter DC voltage of the string of solar modules connected to MPPT B. V
solar_inverter_voltage_dc_mppt_b
Voltage MPPT C inverter_voltage_dc_mppt_c Powerwall+, Powerwall 3, Solar Inverter DC voltage of the string of solar modules connected to MPPT C. V
solar_inverter_voltage_dc_mppt_c
Voltage MPPT D inverter_voltage_dc_mppt_d Powerwall+, Powerwall 3, Solar Inverter DC voltage of the string of solar modules connected to MPPT D. V
solar_inverter_voltage_dc_mppt_d
Voltage MPPT E inverter_voltage_dc_mppt_e Powerwall 3 DC voltage of the string of solar modules connected to MPPT E. V
Voltage MPPT F inverter_voltage_dc_mppt_f Powerwall 3 DC voltage of the string of solar modules connected to MPPT F. V
Wiring Compartment Temperature wiring_compartment_ambient_temp Powerwall 2, Powerwall+ Temperature measured inside of the wiring compartment °C