SPW rounds up trends around new power electronics at RE+. They discuss large central inverters that are getting bigger from 1,500 to 2,000 V and using closed-system liquid cooling tech to limit the amount of dust, animals and junk. Per string inverters, manufacturers are working on UL 3741 listings for their products and resi inverter-makers are bringing home energy system components in-house, including batteries, EV chargers and even smart switches.