sam

@sam@cablespaghetti.dev

Father of two, husband, lover of dogs but owner of many cats. Runner. Technology enthusiast. Metalhead. AuADHDer. Cloudy DevOps type person. Formerly know as @sam@running.cafe

787 following, 701 followers

2 ★ 0 ↺

[?]sam »
@sam@cablespaghetti.dev

@dajb@social.coop @slothrop@chaos.social That’s really cool, I hope to have this setup in a few years. It feels wrong to be dependent on gas in this day and age.

On the resilience from home batteries and solar though, watch out. Most systems will turn off in the event of a power cut. It’s something about avoiding back-feeding to the grid. If you want this you need to specifically get a system with an “emergency mode” or something like that.

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    [?]Rocketman »
    @slothrop@chaos.social

    @sam @dajb We’re renting a house, and it has 20+ year old oil heating 😭😭😭

    I just paid 2k€ for half a tank full of dead dinosaur, and I hate everything about it

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      [?]Doug Belshaw »
      @dajb@social.coop

      @sam @slothrop

      Thanks, I'll watch out for that! I don't really want to buy Tesla, but their Powerwalls seem pretty awesome.

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        [?]Janet is prematurely obsolete »
        @janet@weirder.earth

        @dajb @sam @slothrop Would love to have a heat pump but our property couldn’t accomodate one. And there are plenty of good alternatives to Tesla, in fact Octopus has their own preferred one. But yes the real rub for us is retrofiting the off-grid capability. My recent calculations had us breaking even at year 10-12, the natural lifecycle of the battery.

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          [?]Doug Belshaw »
          @dajb@social.coop

          @janet @sam @slothrop Yeah, same but for two batteries. We'd have paid for solar though, and batteries will be way cheaper by then...

            [?]fedops 💙💛 »
            @fedops@fosstodon.org

            @dajb you don't seriously even entertain the thought of supporting a fascist now do you?
            @sam @slothrop

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              [?]Doug Belshaw »
              @dajb@social.coop

              @fedops @sam @slothrop Nah, it's just that they do everything I need and Octopus Energy install them. I'm sure there's even better alternatives.

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                [?]C++ Wage Slave »
                @CppGuy@infosec.space

                @dajb

                Congratulations on the new heat pump! A colleague of mine had install one for her earlier this year, and she's delighted with it. We went with because Octopus wasn't able to help us, but I'm convinced Octopus would've been better value if our house had been suitable.

                We're not yet ready to buy a battery — I want to go through a winter with the new heat pumps so that I know how much capacity to buy — but I've heard good things about . You might give them a look. They seem to be a bit more expensive than canned systems like , but a lot more flexible.

                @fedops @sam @slothrop

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                  [?]Alex@rtnVFRmedia Suffolk UK »
                  @vfrmedia@social.tchncs.de

                  @CppGuy @dajb @fedops @sam @slothrop

                  my relatives have a Victron system feeding a battery bank (Pylontech, not sure if those are still made).

                  A couple of weeks ago they lost grid power for around 1,5 hours. The Victron automatically isolated the solar/batteries from the DNO service cable to avoid backfeeding but kept the house on supply. It was daytime so most of the power demand was handled by solar, the battery reserve was barely touched. (there is a quite a high power demand in that house even during summer and yet it was possible to behave as normal for the entire duration of the power cut without even implementing load reduction measures).

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                    [?]Doug Belshaw »
                    @dajb@social.coop

                    @CppGuy @fedops @sam @slothrop Cheers, I'll check them out!

                      [?]fedops 💙💛 »
                      @fedops@fosstodon.org

                      @sam it's specifically the synchronization on the grid frequency. Your system needs to support "island mode". There are many that do.

                      On the autonomy aspect - do the math first. In our latitudes producing enough energy November - February means having a LOT of panel area. Especially if you plan to heat electrically.
                      @dajb @slothrop

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                        [?]Doug Belshaw »
                        @dajb@social.coop

                        @fedops @sam @slothrop

                        Thanks, yeah, that's whoe the battery storage comes in (storing both solar energy and cheap renewable energy from the grid)

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