What Information Is Needed for a Residential Energy Storage Quote?

Use this residential ESS RFQ checklist to submit the grid, load, PV, inverter, backup, site, approval and commercial data needed for a usable quote.

Nominal vs. Usable Home Battery Capacity: What Installers Should Calculate Before Quoting Runtime

Learn how nominal kWh, starting SOC, reserve settings, conversion losses and load profile determine usable home-battery energy and backup runtime.

How to Compare Home Battery Quotes: A Bid-Normalization Guide for Installers and Distributors

A practical bid-normalization guide for comparing home battery energy, power, inverter scope, approvals, commissioning, warranty and support.

How to Size a 50–200 kWh Outdoor Battery Cabinet for a Grid-Constrained Commercial Site

A practical EPC guide to sizing battery power, energy duration, PCS capacity, SOC reserve, communications, and commissioning for grid-constrained commercial sites.

How to Size a Modular Stackable Home Battery for Whole-Home Backup

Learn how installers should size a 5–40 kWh modular home battery around HVAC loads, backup reserve, inverter output, usable capacity, and commissioning tests.

Zero-Export Solar Battery Systems: What EPCs Must Test Before Handover

See how CTs, meters, controllers and inverters work together in a zero-export system—and what EPCs should test before project handoff.

UL 9540A vs. UL 9540B: What Residential ESS Installers Should Submit to the AHJ

Understand what UL 9540, UL 9540A and UL 9540B each cover, and how installers can build a residential ESS documentation package for the AHJ.

EU Battery Passport for Home Energy Storage: What Distributors Need Before February 2027

Learn which home-storage batteries need an EU battery passport from February 2027, who owns the data, and what distributors should request from suppliers.

​How Do You Manage Six Air Conditioners During a Grid Outage? Lessons From a 128 kWh Caribbean Home

Is 128 kWh Enough for Whole-Home Backup? Inside a Caribbean Residential Installation

See how eight MERITSUN 16 kWh batteries, 28.8 kWp solar and Schneider inverters support a large Punta Cana home through managed outages.

Project Complete: 48 kWh Whole-Home Storage With Three MSP-6KW Units

A 48 kWh MERITSUN home storage system is now in service, using three 6 kW all-in-one units to support separate household load groups.

60 kWh Farm Battery Storage in the U.S.: What This 12-Module Project Shows

Analyze the design logic behind a U.S. farm project using 12 parallel MERITSUN battery modules, a 60 kWh-class battery bank and a Schneider inverter.