How to Size Your Off-Grid Solar System
The complete method for calculating your power needs and choosing the right solar array, battery bank, charge controller, and inverter.
Step-by-step guides for building, maintaining, and thriving in an off-grid lifestyle. Start with the essentials below.
New? Start Here
If you’re new to off-grid living, start with The Complete Beginner’s Guide and then the Power Audit Guide. These two will save you from the most common expensive mistakes.
The complete method for calculating your power needs and choosing the right solar array, battery bank, charge controller, and inverter.
Step one before buying anything. Learn exactly how much power your essential appliances consume so you don’t over- or under-size your system.
A full cost-per-cycle analysis over 10 years. Spoiler: lithium usually wins despite the higher upfront cost.
Everything from a basic 55-gallon barrel to a 10,000+ gallon cistern system. Includes state-by-state legality overview.
Comparing gravity filters, UV purifiers, reverse osmosis, and whole-house systems for making collected water safe to drink.
No pump, no electricity. Collect water uphill and deliver it by gravity alone using simple plumbing any DIYer can install.
The 15 most calorie-dense, easy-to-preserve, and drought-tolerant crops for food independence. Ranked and compared.
Three methods for making your harvest last through winter without electricity. What works, what doesn’t, and what’s safest.
A realistic guide to keeping 4–12 chickens for eggs and meat. Housing requirements, feed costs, predator protection, and what beginners get wrong.
From site selection and permits to foundation, framing, and weatherproofing. A practical overview for first-time builders.
Earthbag homes can be built with almost no construction experience using locally sourced soil. Here’s an honest assessment of the method.
The full picture: costs, challenges, systems, and a realistic timeline for making the transition to off-grid life.