Learn it before you wire it.
Step-by-step DIY solar and off-grid guides from Rival Energy — how to size a system, wire it safely, pick components, and power your home or van yourself.
The complete DIY home solar system guide
A start-to-finish walkthrough of building your own solar system — planning, sizing, choosing components, wiring safely, and expanding it later. Everything in one place.
Rival Energy Editors · Read the guide →How to wire a solar system safely (fuses, gauge, and grounding)
The wiring and safety basics every DIY solar build needs — correct wire gauge, where to put fuses and breakers, busbars, and the mistakes that start fires.
Read →Solar PanelsHow to choose solar panels for a DIY build
Monocrystalline vs polycrystalline, rigid vs flexible, and how to read a panel's specs — plus how to wire panels in series vs parallel for your system.
Read →BeginnerDIY solar for beginners: how off-grid power actually works
New to solar? Here's the whole system explained simply — panels, charge controller, battery, and inverter — plus what each part does and where to start.
Read →SizingHow to size a DIY solar system (the simple 5-step method)
Size a solar system the right way — start from your loads, then work out battery capacity, solar wattage, and charge controller amps. A plain-English walkthrough with the actual math.
Read →