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rmpfyf

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rmpfyf last won the day on September 28

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  1. Yeah... nah This reads like the usual crap the Smart Energy Council puts out. There's actually nothing unfair about it. When you consume energy you pay for retail margin + wholesale margin + transmission factor + market fees + environmental levy + distribution charges. That last bit is important - the money that goes into maintaining the poles and wires is paid when you use energy. When you export energy and a small (e.g. including residential) system you currently do not pay many money to maintain the poles and wires, and you get paid a fee which usually exceeds the whol
  2. @manchu your energy distributor will have a portal that lets you download your interval data (the per-half-hour electricity consumption of your home) as taken by your smart meter for at least the last year. Your distributor will be listed on your energy bill, or just post up a postcode (or PM it) and it might be enough to send you a link to where to get it. You might actually get away with a battery if you're long on gas. First thing to work out how you'll charge the thing which just involves getting someone to do an assessment of what's possible for your roof space, shading conditio
  3. Never used one, maybe someone who has could chime in. I would be reluctant to consider it in an offgrid setup - would prefer a good local support network.
  4. I have no familiarity with Ingeteam though the other three are all well-regarded, Selectronic probably the best of them - they're local (Victorian), they're built like the proverbial brick house, on the solar side they integrate particularly well with Fronius. Probably SMA is the only real step up in that their control solutions for proper microgrid/offgrid is better - they have a full turnkey solution - but many Australian offgrid people have sites working happily with Selectronic. Theres a few solutions locally that will do control for them and other assets.
  5. Just picked up on this and careful here. For a purely off-grid system (no grid at all) it's possible to go your own way though I'd stick to standards. Not least for safety, and more for what you plug in will have power quality expectations that are consistent with mains norms. There are people running non-standards-grade inverters on pure offgrid that do make power, but I wouldn't. Especially for a whole house. This, and DC system faults aren't to be trifled with. There are no small mistakes.
  6. Let me know how you go. I deal with the CEO and main advisor though I've been involved with them for ~5 years now (since it was in development). If you don't get answers you like, drop me a line and I'll find you someone senior to talk to. I like both Reposit and CET. Reposit is further ahead in making money out of your battery - they are super represented in all government forums on VPP whether technical or regulatory. But if you have multiple devices you want to control intelligently against each other for best use of your tariff, CET is supreme. And the hot water system is effin
  7. You can mount the gateway in it's own sub adjacent to your main and pickup your solar via Modbus TCP. This is an example of Reposit's pre-packaged board (seen here three phase). CET not much different. Breaker, PSU, Reposit's meters are DIN mounted. CET's are not so you just have the breaker and PSU (I think on the PSU, can check). For what it's worth my main board (where the gateway is) became my sub board when I upgraded to three phase (was easier in my situation) - they're metres apart and it all works just fine. If I was doing it again I'd do what we did at a friend's place
  8. Right, so there's a ton of ways of doing this and whilst you can use a battery you should be using DR or thermal storage first. What's your water heating like? Gas? Electric? What's your space heating like? Once you get all the load you can flex into other, better-cost-opportunity means, what's left goes into a battery. This way you buy only the battery you need. You want your battery to power everything in your home after you've flexed load intelligently. You want your battery to power everything that's left, right? Sometimes that isn't practical. We've got a PHEV an
  9. That's the baby. You can put this in a sub board - both CET and Reposit ship their kit this way. The current clamps are on long leads and will get to your main circuits no problem - there are six so you can monitor some loads independently. Connect it LAN (or supplied PLC) and run your Fronius inverters similarly on Modbus TCP over Ethernet - you don't need anything else. You're in luck.
  10. @Fred it really depends on needs and what you want to spend. You need to give yourself an uptime requirement, e.g. 'I want to meet my power requirements xx % of the time'. For what it's worth a 99% system means that nearly 4 days are offline. If you were doing it properly IMHO you'd have: Solar PV to whatever your demand is Good thermal storage because its cheaper Battery to suit (Optionally) smart UPS for critical loads (internet, security, etc - enough for the house to tell itself what's happening under all conditions) Diesel SGP for backup
  11. No supply fee, though a dude came around and locked the meter out. I guess it's not bad; leaves the option in future.
  12. If you want to have a chat with the lead devs let me know, can arrange.
  13. No fees. you can cut the cord wherever you like. IF you wanted the services dug out of your property/removed, that's another story. Recently asked my gas provider to see about removing their supply from my house. Went something like the Seinfeld episode where Kramer wants to opt out of mail. I still have a gas line.
  14. You won't get the house off the grid for that. Nor is that inverter likely offgrid capable. You might be better placed with a Goodwe hybrid (will run 7kW+ on the strings) and a BYD LV B-Box - it's expandable and has some very enviable cycle life behaviour. Have a customer running one happily. Has an ATS and will grid form so will do islanding/backup. As for the VPP... Reposit will probably control that, though right now prefers SolaX and a few others at the lower end of the market.
  15. I'm a former Reposit customer and good mate of their CEO. It does what you ask and then some. If you want VPP capability and need to run a battery only, it's the best going. If you want to run a battery and other DR capable devices and don't need VPP, CET is a better bet.
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