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