These Smart meters appear on the gosolarcalifornia.org website list of approved meters for Performance Based Initiative (PBI) systems. Capable of communication using RF, Cellular, Power Line Carrier, and Ethernet protocols. The GE KV2C+ is designed for especially harsh climates and suitable for 600 V applications.
The form 2S meter is used for single-phase, 120/240 VAC, 3-wire installations.
The form 9S meter is used for 3-phase, 208 VAC, 4-wire delta installations.
The form 16S meter is used for 3-phase, 208 or 480 VAC, 4-wire Wye installations.