Solar guides
Practical explainers that pair with the calculators. Estimates only – always get local quotes.
· 5 min read
How to Size an Off-Grid Solar System Step by Step
A complete step-by-step method for sizing an off-grid solar system: load audit, battery bank, array, inverter, wiring, and safety, with worked examples.
off-grid solarsystem sizing
· 4 min read
What Are Peak Sun Hours? How to Find Yours and Why They Matter
Peak sun hours drive every solar sizing calculation. See what they mean, typical values for cities worldwide, and how tilt and season change your number.
peak sun hourssolar basics
· 5 min read
Solar Payback Period Explained (With Worked Examples)
Learn how solar payback period is calculated, see three worked examples across different climates and tariffs, and avoid the most common mistakes people make.
solar savingspayback period
· 5 min read
Lithium vs Lead-Acid Solar Batteries: Which Should You Buy?
Compare lithium (LiFePO4) and lead-acid solar batteries on cycle life, usable capacity, cost, safety, and maintenance to find the right battery for your system.
solar batteriesoff-grid
· 5 min read
How Many Solar Panels Do I Need for a 3-Bedroom House?
See how many solar panels a typical 3-bedroom house needs, with regional usage data, the sizing formula, and worked examples for three different regions.
solar panelssystem sizing