Bill Babcock

Free Watts From the Ground: Boosting Bifacial Gain With What Was Already on My Pallets

In the last post I got 30 bifacial panels mounted straight and neat on the Chiko rack. But a bifacial panel is only half-installed when the modules are bolted down, because the whole point of paying for glass on both sides is the light that comes up from underneath — and that depends entirely on […]

Free Watts From the Ground: Boosting Bifacial Gain With What Was Already on My Pallets Read More »

Setting 30 Panels on a Chiko Ground Mount: What the Manual Doesn’t Tell You

My particular installation might serve as a useful guideline for yours, even if you elect to do a DIY rack. For various reasons I decided not to do mine DIY, mostly because I was concerned that I’d need an engineering stamp to pass local codes and land use planning requirements. Perhaps I actually didn’t. When

Setting 30 Panels on a Chiko Ground Mount: What the Manual Doesn’t Tell You Read More »

How the EG4 18kPV Knows the Grid Is Down — and Why It Doesn’t Need a Transfer Switch

If you’ve ever installed a backup generator, you know the drill: the generator can’t just be wired into your panel alongside the utility. You need an automatic transfer switch (ATS) — a big mechanical relay box that physically flips your home between “grid power” and “generator power” so the two sources can never touch. The

How the EG4 18kPV Knows the Grid Is Down — and Why It Doesn’t Need a Transfer Switch Read More »

A little build it your way demo: Smarter Presence Detection with the Sonoff SNZB-06P– A $15 Sensor That Makes Your EMS Work Your Way

This is a demonstration of how you can work with the EMS system to have it precisely suit your needs. We’re getting closer to a release for the system. If you can’t wait for the tested and proven version and want to start playing around let me know in the comments of the included video.

A little build it your way demo: Smarter Presence Detection with the Sonoff SNZB-06P– A $15 Sensor That Makes Your EMS Work Your Way Read More »

Balcony Solar + Battery + EMS + Presence Detection: The DIY Power Stack for Everyone

March 2026 • 10 min read • Beginner-friendlyIf you’ve been watching your electricity bill climb every month and thinking “I wish I could do something about this” — this post is for you. You don’t need a rooftop. You don’t need an electrician. You don’t need to spend $20,000. What you need is a south,

Balcony Solar + Battery + EMS + Presence Detection: The DIY Power Stack for Everyone Read More »