Energy Storage Systems (ESS) and the NEC with Bill Brooks and Sean White Part 1

In this podcast we have Bill Brooks talking energy storage system (ESS) Codes, including the NEC, IFC, IBC, IRC, IEC, but mostly the NEC. Be sure to get Sean and Bill’s latest book, which is the 3rd edition of PV and the NEC, based on the 2023 NEC. To find where to get different versions of the NEC including the 2023 NEC for free check out the NEC tab at solarSEAN.com.  Disclaimer: This podcast was recorded in 2021. Keywords/topics covered: Self-consumption EVs Frequency regulation Voltage regulation Energy storage systems Ac-coupled Dc-coupled SolarEdge Generac Powerwall Enphase Ac-modules Outback Power Multimode inverter Sunny Island Sunny Boy Article 702, 705, 710 Isolation device vs. transfer switch Microgrid mode Interactive inverters Reverse dc-coupled 400V bus voltage Dc converters, 690.71 Article 480 Electric supply and distribution network NEC Handbook Commentary UL9540 UL 1973 LG Chem Nominal voltages Lead-acid 2V Alkali Lithium iron phosphate 3.2V Cobalt type of lithium-ion 3.6V LiFePo4 Nickel Charging ranges Batteries are not constant voltage Dc-converters required Storage battery Telecoms industry battery systems not regulated by NEC NEC 90.2 Equalization Sulfation Trojan L16 Lead-acid battery IRC UL 9540 requirements no UL 9540 listed lead-acid batteries and IRC requires UL 9540 for residential (in dwellings) Off-gassing Stratification Emergency disconnects Hawaii systems Energy Storage System Labeling Rules for protection of battery terminals for wiring Article 110 Spaces between batteries on NABCEP PVIP exam Ground fault protection Links: Bill Brooks, P.E.: www.brooksolar.com www.solarSEAN.com www.HeatSpring.com/SEAN