45North

Money is my only motivation. No loans, I prefer not to pay interest. The money would have been spent on something without a ROI. So...

Many calcs of breakeven fail to include the "opportunity" cost of capital. This means: Loan interest charges, if you are borrowing the...

Dog not included.

https://www.reuters.com/business/energy/solar-company-sunpower-reduce-workforce-shut-business-segments-2024-04-24/#:~:text=SunPower%20sai...

If you have a claim against SP you may want to pursue it sooner rather than later. You can confirm this news item yourself: I've given...

As reported by Michelle Lewis at Electrek. As per an email from sr mgmt of SP to all employees.

SunPower is ceasing residential solar installations and laying off 1000, out of 4700.

I'm aware that going over the PV input voltage limit for inverters is a no-no, but it seems strange to me that we have to size arrays...

For this non-critical daytime only aerator seems like the perfect application for a bare bones, no battery, DC pump.

Those are usually 120V AC pumps. If you were closer, I'd set you up with an amazing no battery system for next to nothing. I've been...

The modern variant: "Anything seems possible when you don't know what you're talking about". This bites me every time.

It ain't what you don't know that gets you into trouble, it's what you know for sure that just ain't so: Mark Twain

Counter point: Of the 5 brands of off the shelf 12v and 24v batteries that I looked at when buying my first large battery, ALL of them...

Just wait for the EG4 pull behind trailer to come out of beta testing....I think they are just a couple of firmware updates away from...

Proace already has up to 200 miles (320km) of range, why mess with it? We have a saying:"If it ain't broke, don't fix it"

What car?

Homes theoretically Could be made hurricane proof too but they'd be expensive to build. Haven't most home insurance companies withdrawn...

But if your windmills are blown over and destroyed by high winds you get nothing. Are they hurricane proof?

Welcome! Stick with lead acid batteries then: Li must not be charged below freezing or they'll be damaged

Yes, 12v let's you use lots of standard stuff off-the-shelf from automotive and RV stores. And for small systems that's all you need.