diy solar

diy solar

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    Electric company is only giving 70% of solar I produce

    The first chart is from my Sunny Boy inverter. The second is from the electric company’s accounts. The last is from their website that shows my usage. They have been ripping me off. What can I do? I’m in a coop. We don’t get to choose our provider here.
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    SMA Sunny Boy producing power and grid closed - not showing on power bill

    The power company says I already have a "net meter". I'm making at least 25kwh per day but it's not showing on my daily usage on the electric provider website. Any idea what is wrong?
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    Help me come up with a solution to charge my lifepo4 with my existing system.

    Here’s what I have- 14 panels on roof - 4.6k watts connected to SMA sunny boy. & 4 panels in back yard - 1.2k watts wired to mppt controller & roughly 12 kWh of lifepo4 & a Cotek 2.5kw psw inverter The sma will give me 2,000 watts of power during an outage. I want to be able to charge my...
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    Sunny Boy 5kw schematic - how’s it look?

    These panels are going on the East and west sides of my roof. Unfortunately I can’t have them on the south side. That’s why I have two series. what sort of dc connect do I need to get? Could someone suggest one? also, do I have to have an ac disconnect?
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    Rapid shutdown on each panel required in Texas?

    I was planning to get a sunny boy. It has a built in shut off during grid outage feature. Will I also need to buy modules for each panel? Is that required in Texas?
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    Will this work?

    Would this work? Backup off grid inverter wired to breaker box with generator interlock kit. This requires the main switch to be off before you can flip on the breaker that connects the generator (or inverter) to the breaker box. If power goes off. Flip off main power. Then flip breaker...
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    AC coupling for battery backup with grid tied system

    What I want - grid agnostic and battery agnostic system that can feed the grid and provide backup during a grid outage What I have now - Solar Edge 3800H victron inverters can work with Solaredge. Has anyone done this successfully? Are there better options out there...
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    CONEXT SW 4048 - Possible to use this with the grid?

    The website claims this can be used as a hybrid inverter and tie to the grid. What else would I need to make this setup work? Also, is this inverter battery agnostic? So to recap… 1. I want to be able to reduce energy usage from the grid and prioritize solar. Will I need a grid tie pv...
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    Brands comparable in quality and value to Victron

    What brands of inverters should I look at other than Victron? I have an older Cotek 2000w inverter I’m using now that is very efficient compared to the Chinese brands. A 5kw 48v Victron will cost me around $2500. What are my alternatives?
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    Newbie choosing between isdt q8 and bench power supply

    I want to balance my new batteries. The bench power supply is giving me a measly 5amps (around 20 watts). The isdt would give me 500 watts. Is there a reason for me to keep the bench power supply over the isdt q8? edit I want to top balance my new cells.
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    Newbie BMS questions regarding remaining amp hours

    I’ve ordered a Bluetooth Daly bms. Will it tell me the remaining amp hours or will I need to use a separate battery monitor for that? Do I need to get a icharger x6 to equalize my batteries when they arrive? I bought new cells...
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    Suggestions for 48v 5kwh diy battery

    I’m upgrading my current solar setup from lead Acid to lifepo4. What’s the best route for a diy battery? I don’t want to wait months to get it, so Ali express is off the list. Should I buy used cells or just splurge on new stuff from battery hookup? David Poz says he spends $150 per kwh on...
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    Need help wiring inverter

    I have a Cotek ST2000 48v and I’m having trouble wiring it up. I’ve read the manual in its entirety and it has not provided a solution. The power status light is green when the unit is off or on. The input level light is green when the unit is on. However, if I disconnect the unit from grid...
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