Narrower terms

controllable and regulating inverters, renewable energy forecasting tools, remote fault indicators, phasor measurement units, microgrid controllers, automated capacitors, automated voltage regulators, direct load control devices, load control devices, smart meters, smart relays, equipment condition monitors, automated distribution circuit switches, advanced interrupting switches, fault current limiters, phasor data concentrators, programmable communicating thermostats, remote service switches, acoustic televiewers, pseudo-tie