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New: My equipment. Track products mentioned on the forum and build your own system. Go to Equipment > My equipment, search for a product and press "I own this", or press Watch on any product page to get an alert when a new thread tags it. Read more
General Discussion
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Show and Tell
Post your DIY solar power system! Pictures or it didn't happen :)
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Newcomers
Introduce yourself here! And welcome new members
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Beginners, Planning & Safety
Beginners Corner and Safety Check
Embarrassed to ask a question in the other boards? New to solar? Need a final check of your system before you turn it on? Post it here!
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Sizing, Planning, Codes and Regulations
Energy Audits, Roof Planning, NEC, Local Ordinances, TOU Plans and more!
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Magic Smoke Released... Learn From My Mistake!
Did your experimental battery or home built inverter experience a rapid, unplanned disassembly? Reverse polarity a $3K inverter, and see it go up in smoke? Share it here!
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Battery Safety, Fires & Certifications
PPE, Disposal, Prevention and Mitigation. Fire and explosion discussion for lithium batteries.
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News and Promotional The only section where businesses are allowed to advertise. Use at your own risk.
Online Deals
Found a cheap price on some batteries? Share it here!
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New Products
Found a new product or want to share your companies latest release? Share it here!
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Solar Store Review Corner
Want to share your experience? Post it here
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Solar Installer Finder
Run a solar business and install systems? Share it here!
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Solar Systems
Vehicle Mounted
RV's, Vans, Trucks and More! Typically 12v, and 100-1000w, but the limits are endless!
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Marine
Building a system that can withstand a marine environment is difficult! Talk about it here
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Permit Free Plug-in
Dead simple! Plug solar panels directly into an outlet.
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Solar Water Pumping & Heating
Need to move water with some sunshine? Talk about it here!
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Trucking APU
Are you running an eAPU? Want to see what people think about the current market and what works best? Post it here
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Energy Storage
General Battery Discussion
Are you a battery addict? Same here. You can NEVER have too many batteries!
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DIY LiFePO4 Battery Banks
Advanced user discussion on BMS/ Cell Configurations/ Temperature Regulation/ Cell Sources and more
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Lead Acid Batteries
Good ol' fashion lead acid!
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Second Life Lithium Batteries
Found a Lithium Battery in a Tesla/Nissan Leaf or Electric Bus and want to use it for solar? Post about it here.
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Uncommon Batteries: LTO/ NCA/ NMC/ Li-Poly
Not recommended for solar, but still an option. See what others are doing and post questions here
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Equipment
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Solar Panel Mounting
Tips and tricks for mounting solar panels to different roof materials and environments
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Solar Charge Controllers
MPPT/PWM/Converters without batteries and anything else you find! Discuss it here :)
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Solar Generator and Micro Systems
A battery/inverter/charge controller setup for mobile or stationary application. They are usually ready built or "plug-n-play".
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Fuel Back-up Generators
Backup petroleum energy storage for off-grid solar systems
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Heat Pumps
Need to use solar power to cool or heat your cabin or home? Or a bus or boat? Post it here!
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Wiring, Protection & Tools
Wire, connectors, junction boxes, breakers, fuses, and test equipment (meters, scopes, capacity testers).
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Home Brew Solar Electronics
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Software, Automation and Home Assistant
Microcontrollers, Microcomputers, Cloud software, Embedded
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Photons to Tokens: Off-Grid AI
Running local AI (LLMs, image generation, GPU rigs, homelab servers) on solar and batteries. Power budgets, inverter and battery sizing, efficiency tuning, idle-load tricks and build threads.
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Marketplace Use at your own risk. Our forum assumes no responsibility for products purchased in this area. This section is for individuals only! No vendors allowed!
Solar Panels for Sale
Have some spare panels laying around? Sell them here!
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Batteries for Sale
Not using an old set of batteries? Sell them here!
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Equipment Wanted
Need something specific and don't mind if it is used? Post what you need here to see if another member has it!
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Off-topic
Chit Chat Zone PG-13 No Politics!
Anything besides politics. Be civil!
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Chit Chat Zone R-Rated
Not Regulated, Political Discussion Welcome. Use at your own risk!
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Electric Vehicles
Bidirectional charging, charging offgrid, EV battery chargers, level 3 chargers and more
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Humor section. Share your best electrical memes!
Everyone loves a good meme!
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Complaint Corner
Dislike something about this forum? Want to add a discussion topic? Talk about it here and it will get fixed!
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