#homebattery — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #homebattery, aggregated by home.social.
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Boomer BiL is getting a home battery, using a NSW gov 0% interest loan. ✅ He had a big solar system before I did, but was battery averse, & he missed out on subsidies that would have saved more.
Significantly, after 2y of fierce mockery, he's finally considering an EV. I was nearly blinded by the lightbulb going off when I again told him I've paid less than $50 to charge my EV in 2y, with no home power bills. Another BiL looked the same. 😁 I'm wearing them down!
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In Australia, a Home Battery Boom Has Helped Cut Wholesale Power Prices in Half
https://e360.yale.edu/digest/australia-home-batteries
Comments: https://news.ycombinator.com/item?id=49298910
#HackerNews #Australia #HomeBattery #Boom #PowerPrices #RenewableEnergy #EnergyStorage #SustainableLiving
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1y on, Sigenergy 24kWh battery, 10kW inverter, EVAC charger. 11.88kWp panels. 1 adult. Near Sydney.
+Generated 14.27MWh
+Exported 9.66MWh
+Battery to grid (3mths) 739.84kWh
+Load (no EV) 3.55MWh
+EV 1.01MWh
+Grid imports 29.27kWh! Around $11 at current rates. Over a full year! Mostly normal tiny system handshakes, a third errors I made, & one made by the system (resolved)I'm ahead on power bills—my annual feed in income comfortably exceeded my costs.
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More Americans Are Installing Home #Batteries. Here’s Why
#homebattery installations reached a record 673MW storage in first quarter of 2026, according to #US Energy Information Administration. That trend was driven by states with high #electricity prices that have implemented policies to incentivize home battery installation
California and Hawaii accounted for majority of new battery storage, Texas and Arizona also saw significantly higher numbers
https://www.bloomberg.com/news/articles/2026-07-01/us-home-battery-installations-boosted-by-state-incentives
https://archive.ph/NMxx4 -
Diving into home batteries and want one I can control locally, preferably with @homeassistant and over UTP.
Plug-in or stationary, what’s your take?
Anyone have experience with specific brands? Drop your recs below!
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For the first time it's 2200 and my little plug in battery is still discharging, it has 20% capacity left. I think it's been a combination of the partially sunny day and our habits. We've needed some grid power as it can only output 800W so needs the grid for the big stuff.
I suspect we'll get through to 0030 where it is set to charge on the cheap tariff. Anyway it's exciting to see it all work!
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The benefits of electrification compound…
The more a home electrifies the bigger the savings. Adding rooftop solar saves an Australian household $1,000s a year. Adding electric hot water saves $1,000s more. Adding a battery, an induction cooker, reverse cycle heating and removing gas saves $1,000s more. Adding an EV is the icing on the cake. Adding maintenance and servicing savings, total automotive savings can reach over $4,000 annually. If a household does this strategically, replacing old appliances as they wear out, the upfront […]https://envirocomms5.wordpress.com/2026/06/05/the-benefits-of-electrification-compound/
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I’m gradually improving my understanding of using #HomeAssistant to monitor domestic #Power input and output. The integration I have comes with a nice #Dashboard for accumulated #Energy but I wanted one which gave as close to an instantaneous record of power consumption and production as possible plus a history as well. This is that custom dashboard and it tells me what I want to know.
#SelfHosting #Monitoring #FreeSoftware #SolarPanels #Electricity #HomeBattery
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BLUETTI FridgePower keeps your refrigerator running when the power goes out
https://fed.brid.gy/r/https://nerds.xyz/2026/04/bluetti-fridgepower-refrigerator-backup/
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My new elec plan pays me for dumping battery power to the grid during peak, so I do. I'm anxious, & "refuse" to import power, so reserve 65% for me. Easy recharge the next day.
🤔 Early dark, cold, & ~5hrs of AC saw my battery drop to 36% overnight.😱
Today isn't sunny as promised, it's overcast. Here I sit, 11:35am on an overcast day, sunset ~7pm, & I'm already at 80% charge. Nothing to worry about. 🤦
This stuff is amazing. I'm still anxious, winter is still coming.
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Unusually, I have to give credit to Endeavour Energy for their SMS comms. More info than their website!
Outage notice
Outage guesstimate (21:30)
Outage estimate (until 00:30 tomorrow)
Outage explanation (trees on lines, will require noisy work)The storm only lasted five minutes!
My battery now claims it has 46hrs left (120hrs an hour ago). I only watched TV & ran the microwave for 8 mins! 😂
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After 7 mths, I've just exported from home battery to grid for the first time. I've exported heaps of solar, but this is my battery first.
My new plan has a higher feed in from 5-9pm. I sell power I've generated *to support the grid* in peak. Sure, it's no Eraring, but it's also no coal. I keep full control, it's not a VPP, & I still shouldn't need to import.
It's all quite exciting, & should generate some interesting data—& a small "profit" (reduced payback) 🙄
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Grappig - hij heeft nét de 💯% aangetikt voor hij begon terug te leveren #HomeBattery #Thuisbatterij
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The #HomeWizard discount is still on and I could no longer control myself
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My 2025 solar stats:
Generated: 13080.6 MWh
Exported: 9861.6 kWh
Consumed: 4090.4 kWh
Imported: 870.6 kWhStats since August, when I got a battery, a faster charger, & 2kW extra panels for 12kW total (not optimally facing). Latitude -33.7°:
Generated: 7278 kWh
Exported: 5452.8 kWh
Consumed: 1851.8 kWh
Imported: 12.8 kWh
(7kWh of that imported in the first month—my mistake—otherwise small system-grid handshakes only) -
At this time yesterday, I was generating 9.31kW of solar.
At this time today, I'm generating 0.33kW...
Guess which day was full sun, & which is dark & smisty with local drizzle & interstate smoke. 🤷♂️
However, because I'm privileged enough to be able to take advantage of the government's home battery subsidy, I've timeshifted yesterday's sunlight for use today. No sun today? No wuckers.
Seriously, if you can, get on it.
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Gosh, my #EV has been charging a while. It *was* set to stop at 80%, wasn't it? [checks again]
Aah. App says stop at 80%, current charge 95%. 🤔 Oops.
It's happened before, & you'd think I'd learn. Something about old dogs & new tricks. 🤷 The app auto-resets its display to the default charge limit. However, it doesn't *always* tell the car to reset charge limits, & I'd last charged to 100%.🤦
Oh well, that's why I have a battery. Still no grid imports. Still a solar car. 😁
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Pundits have waxed on about Chris Bowen slashing the #HomeBattery scheme. Most was policy motherhood statements about the ‘Vibe’. So I modelled a representative family who had solar. And the results were sobering. #BaitAndSwitch #auspol #renewables #solar #Tesla #ClimateChange #CostOfLivingCrisis
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Changes coming to the Australian #HomeBattery battery rebate:
If you're going ahead & maximising the subsidy makes a difference to your decision, don't leave it too long!
Spoiler: coming soon, the bigger the battery the lower the rebate. Despite funding being increased. It's been crazy popular so far, & the original funding is already running out.
Disclaimer: I benefited, but didn't max out my battery capacity to receive greater benefit.
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Sometimes I feel like I'm living in the future, especially on sunny days like today. My roof generated a (to me) staggering 76kWh of electricity, & I sold >58kWh to the grid.
I didn't even do anything. Now the system's there, it makes magic. Sun comes up, wizards make Es, gnomes distribute Es, some go on living, some are boxed in the garage, some fuel an EV, & leftovers are sold. Sun goes down, gnomes take Es from box to run the whole house. Repeat.
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1 year with 10kW #solar - inc 2mths of 12kW+24kWh #HomeBattery. Near Sydney.
Generated: 12.17MWh 🎉
Exports: 9.3MWh
Imports: 1.1MWh - almost none since battery
Consumed: 4.0MWh - inc 500kWh to battery + 1MWh to car, from solar
Top 2 months: Dec & Sep
Daily:
Max: 68.9 Jan 10kW
Min: 2.4 May 10kW
Av: 32.7 (inc 2m 12kW)Payback: 🤷 Cutting CO2 matters more. But...the more I use, the quicker the payback.
The red chart is my fave. Grid imports fell off a cliff!
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Sun's down & September's #SolarPower easily beat every previous month bar December, generating 1.4MWh of electricity. Great weather saw an avg 46kWh/day, with a wet day only 8kWh.
I installed 10kW of panels in October, & upgraded the system in August, adding a 24kWh #HomeBattery & 4 panels for ~12kW, so now there's no like for like comparisons until Aug 2026. 😭 Oh no! I need it now to compulsively crunch! Data! DATA! 😵💫
Nonetheless, I remain very pleased... ~12kW system near Sydney.
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How Regulations Are Trying To Keep Home Battery Installs Safe - The advent of rooftop solar power generation was a huge step forward for renewable... - https://hackaday.com/2025/09/24/how-regulations-are-trying-to-keep-home-battery-installs-safe/ #currentevents #solarbattery #engineering #originalart #homebattery #featured #battery
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How Regulations Are Trying To Keep Home Battery Installs Safe https://hackaday.com/2025/09/24/how-regulations-are-trying-to-keep-home-battery-installs-safe/ #CurrentEvents #solarbattery #Engineering #OriginalArt #homebattery #Featured #battery