Guides

Worked examples for electrical work.

Parameter tables plus hand calculations you can reproduce: bills, rates, solar, EV charging, commercial demand, and power factor.

Guide

Home Battery Sizing Guide

How much battery your home needs: usable kWh, modules, and DoD rules.

Guide

How long a battery lasts in an outage: loads, efficiency, and runtime math.

Guide

Installed cost, $/kWh math, incentives, and payback screening.

Guide

Pairing array size, production, and net metering with storage.

Guide

TOU rates, demand charges, and peak/off-peak arbitrage math.

Guide

Breakers, wire, conduit, and what the NEC requires for storage installs.

Guide

Cycle life, DoD habits, charging, and replacement planning.

Guide

Backup options compared on horizon cost, not sticker price.