Home

Subscribe for handpicked DIY projects, exclusive tips, and giveaways.

Hi, I`m Charles

Here at Spheral Solar, I’m a hands-on solar power enthusiast, constantly exploring and experimenting with DIY solutions. I’m dedicated to sharing my discoveries, insights, and even the bumps I hit along the way, all in the pursuit of a more sustainable future.

Learn more

Recent Posts

Solar Microgrids: Your Path to True Energy Independence

Picture this: the power grid fails during a storm, but your lights stay on, your refrigerator keeps running, and your phone continues charging. That’s the promise of a solar microgrid—a self-contained energy system that generates, stores, and manages its own electricity independently from the utility company. Unlike traditional grid-tied solar systems that shut down during…

Why 4×12 Solar Pool Heating Panels Are Perfect for DIY Pool Warming

Calculate your panel needs by measuring your pool’s surface area and multiplying by 0.5 to 0.75—that’s the solar collector coverage you’ll need to heat effectively. For a typical 400 square foot pool, you’re looking at 200-300 square feet of panels, which translates to roughly 4-6 of these 4×12 foot panels (48 square feet each). Position…

How Solar Power Slashed My Farm Cold Storage Bills by 80%

Size your solar array by calculating your cold storage’s continuous power draw and multiplying by 24 hours, then add 30% for system losses and cloudy days. A typical 10×12 walk-in cooler running at 38°F draws roughly 2-3 kWh daily in moderate climates, requiring a 600-900 watt solar setup with adequate battery storage for overnight operation.…

Solar Inground Lights That Actually Survive Winter (And How to Install Them)

Bury solar inground lights 4-6 inches deep in compacted soil along pathways, ensuring the solar panel faces true south for maximum charge—a lesson I learned after my first installation facing southeast yielded only 3 hours of nightly illumination instead of the promised 8. Test soil drainage before purchasing by digging a 6-inch hole and filling…

Why Every Solar DIYer Needs a 6 Wire Crimper in Their Toolbox

Examine the wire gauge stamped on your tool before making a purchase—most 6-wire crimpers handle 10 AWG to 22 AWG, which covers standard solar panel MC4 connectors and battery cable terminals perfectly. If you’re working with thicker 6 AWG battery cables for your off-grid setup, you’ll need a different tool entirely, despite what the confusing…