PSE&G will provide meter pans 'free' upon presentation of a valid municipal permit (no copies). 100 to 320/400 single phase, and 200 amp, 3 phase.
They will throw in a drop hook, eye hook & fish plates, and on a good day, perhaps an insulator upon request.
Multi-meter (2 sockets are also available.
CT meter pans are PSE&G supplied only. CT cabinets are customer supplied.
JCP&L does not supply any resi equipment, only 3 phase CT meter pans. All customer purchased equipment must be on their approved list.
BTW, a PSE&G subsidiary recently aquired control of LIPA