Knowledge Hub

Learn About Off-Grid Solar

Everything you need to know about off-grid solar, EG4 equipment, California solar policy, and how to cut your utility bill for good.

How Off-Grid Solar Actually Works (and Why It Beats Grid-Tie)

Understand the difference between off-grid and grid-tie solar, and why going off-grid gives you true energy independence.

An honest look at how EG4 batteries stack up against Tesla Powerwall and Enphase -- cost, cycle life, and real-world durability.

VoltSol proves you do not need $40,000 to go off-grid. Here is how we deliver real systems for under $10k.

Pair solar with a mini-split heat pump and you get year-round heating and cooling for free.

California solar permits are required statewide, but rules vary by county.

NEM 3.0 cut solar export credits by 75 percent. Here is what it means for grid-tie systems.

Utility rates in Northern California are rising faster than ever.

EG4 batteries last 6,000 to 8,000+ cycles, roughly 16 to 22 years of daily use.

Get a free, no-obligation estimate — see exactly what your home could save.