diy solar

diy solar

Recent content by Balthazar-B

  1. Balthazar-B

    Designing a 30kW system - details?

    It's good that you're designing your new residence to be as temperature-stable as possible, and given it's new construction, it should be possible to make it very tight, well-insulated, and efficient. Unless I missed it, you didn't specify how your new home would be heated, i.e., whether you'll...
  2. Balthazar-B

    RE+ solar conference is fast approaching! What new products or booths are you interested in?

    Someone mentioned elsewhere in the forum that he got his 15K from an installer friend for $5500. While that's not peanuts, it's not macadamia nuts, either. So that must be around the wholesale price (or going rate if you have an installer friend). Setting up a US-based operation, getting UL and...
  3. Balthazar-B

    Sol-Ark new optimizer

    Did the Sol-Ark folks actually say that? It was reported elsewhere that the optimizers have been in beta testing for quite a while, enough for the company to indicate imminent availability not very long ago. I'm wondering whether the delay isn't due to something else like upstream supply chain...
  4. Balthazar-B

    Sol-Ark new optimizer

    There are these: https://enteligent.com/nmax-rsd-+-optimizer Similar in price to the projected Sol-Ark MSRP.
  5. Balthazar-B

    sol-ark-15k notification that grid has failed

    I think it would be cool if it can interoperate with Solar Assistant (and Home Assistant, IotaWatt, etc.). Less need for Sol-Ark to reinvent the wheel (and with a proprietary one at that).
  6. Balthazar-B

    sol-ark-15k notification that grid has failed

    At a high level, I guess the best way to think about it is as Sol-Ark's incarnation of a Span smart panel -- i.e., a central point of control for a comprehensive energy management solution -- albeit with fewer breakers. OTOH it will be easier and less expensive to purchase and implement than a...
  7. Balthazar-B

    sol-ark-15k notification that grid has failed

    I don't believe final pricing has been announced. Back when it was first announced forever ago, numbers in the vicinity of $3K were suggested. I think it's been in beta long enough that Sol-Ark can and should pubish several detailed use cases that would estimate -- with reasonable accuracy --...
  8. Balthazar-B

    sol-ark-15k notification that grid has failed

    I think this will likely be the optimal solution in a Sol-Ark environment: https://www.sol-ark.com/sol-ark-introduces-the-smartloads-14/ AFAIK, it is still slated to go GA later this quarter...though wouldn't surprise me if it slips into next. A bit spendy, but it will do a lot more in terms of...
  9. Balthazar-B

    Sol-Ark 15K with 44x440W panels, Tigo Optimizers and Homegrid Stack'd 38.4kWh battery pack AMA

    If you decide to do a swap-out, you now have this alternative to consider: https://www.sol-ark.com/optimizers/ A little spendy, but you'll retain monitoring and optimization as well as RS integrated with your 15K, and you'll have only one throat you'll need to choke if you run into any issues.
  10. Balthazar-B

    Sol-Ark new optimizer

    The spec sheet for the TX 15K-A suggests that it is compatible with all 15K inverters already deployed. https://www.sol-ark.com/wp-content/uploads/2023/03/TX-15K-A-SPECSHEET-1.pdf If you're concerned about it, a call to Sol-Ark should clarify that. Or perhaps if @Carlos_Sol-Ark is listening, he...
  11. Balthazar-B

    Sol-Ark new optimizer

    It would be interesting to see a comparison between the Tigo and Sol-Ark alternatives in a Sol-Ark environment, ideally informed by field testing. Seems better to make an optimal choice upfront than to wish you had later. The Sol-Arks are priced about the same as the Enteligent NMax, so throw...
  12. Balthazar-B

    Sol-Ark new optimizer

    A certain engineer has added some new items to his site, with pricing and "add to cart" buttons. You might want to check it out.
  13. Balthazar-B

    Sol-Ark 15K Smart load

    For a moment, reading your topic title made my heart skip a beat...
  14. Balthazar-B

    Sol-Ark new optimizer

    So optimizer pricing (and availability) still TBA?
  15. Balthazar-B

    Sol-Ark new optimizer

    If one will be running a Sol-Ark 12k or 15k inverter, one advantage with using the new Sol-Ark optimizers is that there's only one throat you'll need to choke if there are any interoperability issues.
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