Energy
Tesla Powerwall advocates fight proposed ban on in-home lithium ion battery storage systems in Australia
Battery storage systems are exceedingly popular in Australia, which has some of the highest energy costs in the world. Battery storage systems like the Tesla Powerwall are seen as the answer to high electricity costs when coupled with a rooftop solar installation. There are currently 1.6 million homes in Australia with rooftop solar and the majority of those home owners say they are interested in adding battery storage to help them reduce the amount of electricity they draw from the grid.
On February 13, a report leaked in the Australian press saying that Standards Australia, a non-governmental group similar to Underwriters Laboratories, was about to recommend that any storage devices using lithium ion cells not be installed inside homes but rather in free standing kiosks or bunkers added to the exterior of buildings.
According to Australia’s RenewEconomy, the new standard would add thousands of dollars to the price of a complete solar power system and imperil what is considered to be a multi-billion dollar business opportunity. Bloomberg New Energy Finance believes there could be as many as 6 million residential storage battery installations in Australia in the next 15 years.
The leaked report created a whirlwind of protest. No other country has such restrictions on storage battery installations. John Grimes, head of the Australian Solar Council, says that other countries like Japan and the United States do not have bans on lithium ion storage batteries in homes. He adds that there are already 30,000 such devices in Germany, where lithium ion devices are banned only in sleeping areas.
Apparently Standards Australia grew concerned when reports surfaced that the Samsung Galaxy Note had a disturbing tendency to burst into flames. That device has now been banned from all commercial aircraft whether in carry on or checked luggage.
The proposed rules could have a devastating effect on a virtual power plant program being promoted by AGL Energy in South Australia. That concept would link up to 1000 home solar systems together with a sophisticated digital control network designed to manage each system remotely and maximize the efficiency of the entire microgrid.
Australia is ripe for solar power development because of the abundance of sunshine it receives every day. In fact, there is already a planned community near Melbourne, Australia that has been dubbed Tesla Town because every house has a rooftop solar system mated to a Tesla Powerwall storage battery. Prime Minister Malcolm Turnbull is one of those Australians who has a 14.5 kW rooftop solar and battery storage system installed at his home.
Suburb dubbed “Tesla town” in Australia will have solar, Tesla’s Powerwall and EV charging in every home.
Some people have expressed concerns that owners of electric cars with lithium ion batteries such as the Tesla Model S and Model X might be prevented from parking their cars in their garages if the Standards Australia rules are adopted.
LG Chem and Tesla are the two leading storage battery suppliers in Australia. Both use lithium ion battery cells, as do the products from Sony, GCL, BYD, Panasonic and Samsung. Companies that offer storage batteries that do not use lithium ion cells include Sonnenbatterie and Enphase (lithium iron phosphate batteries), Astralia’s Redflow (zinc bromine flow batteries), Ecoult (lead acid batteries), and Aquion, which uses ionically charged water molecules as its storage medium.
The storm of complaints has forced Standards Australia to rethink its position even before its new rules were officially announced. On February 14, it released a statement denying it is proposing a ban on lithium ion batteries in homes. It said that the public discussion period for its proposed rules would now begin in April instead of later this month and would extend for 9 weeks instead of the usual 6.
“Standards Australia is working with stakeholders to develop a new draft Australian Standard AS/NZS 5139, Electrical Installations –Safety of battery systems for use in inverter energy systems that will enable the safe installation of battery energy storage systems,” the organization said in a statement. “It is proposed that the draft document will contain provisions for:
- Installation requirements for all battery systems connected to inverter energy systems, covering all battery types
- Mitigating hazards associated with battery energy storage system installations
- Classifying batteries based on hazards, and not chemistry type
Those are reasonable and sensible proposals, considering that Australia currently has no national standards governing the installation of residential solar systems, which leaves consumers open to shoddy work by poorly trained contractors. The best defense against charlatans is to let Tesla manage the entire process. It uses only trained, certified installers and stands behind each installation with its reputation for quality and customer service.
Interested in solar? Get a solar cost estimate and find out how much a solar system would cost for your home or business.
Energy
Tesla Semi factory is getting a celebration nobody expected
Tesla will inaugurate its Nevada Semi factory September 24, five months after production quietly began ramping.
Tesla says it will officially inaugurate its new Semi factory in Nevada next month. The Tesla Semi account posted the announcement on X, sharing a graphic titled “Semi Rollout” with a date of September 24. No further details were given about the format of the event or who would attend.
While Tesla’s dedicated Semi plant in Sparks, adjacent to Gigafactory Nevada, opened back in April, with the first trucks rolling off the high volume line on April 29, the timing for the factory inauguration comes at a surprise. The ribbon cutting event five months into production is a break from how Tesla has usually handled its other factories, where the first truck or car off the line typically served as the milestone moment.
Inauguration of new Semi factory in Nevada next month pic.twitter.com/a8kAlxrOOn
— Tesla Semi (@tesla_semi) August 24, 2026
The 1.7 million square foot factory was built as part of a $3.6 billion expansion Tesla announced in early 2023, and it shares a site with the battery cell lines that feed the Semi’s structural pack, a decision meant to remove the supply bottleneck that delayed the truck for years. The plant is designed for 50,000 trucks a year at full ramp. Semi program director Dan Priestley has said production “is now ramping” rather than claiming it has reached scale.
Nine years passed between the Semi’s 2017 unveiling and this stage of production, with the truck slipping from an original 2019 target through hand built pilot units for PepsiCo and a slow build out of the Nevada plant. An inauguration event now gives Tesla a stage to talk up that ramp and reset expectations for how many trucks it can begin delivering at scale.
The September date also lines up with the Semi’s next milestone. Tesla confirmed the truck is heading to Europe with a full unveiling at the IAA Transportation trade show in Hannover, Germany, running September 15 through 20. Between the Nevada event and the Hannover reveal, Tesla has roughly a week and a half in September to make the case that the Semi is now a truck being built and sold on two continents rather than tested in a handful of fleets.
Tesla Energy has introduced the Powerwall Lease in conjunction with Tesla Electric, making the service available in Texas. This new option delivers whole-home backup power using two Powerwall units for a net monthly cost of $35 after credits, accompanied by a low fixed electricity rate.
Under the lease terms, customers pay a one-time order fee of $100. The base lease payment for the two Powerwalls is approximately $122 per month during the first year, subject to a 3 percent annual escalator thereafter. Enrollment in a qualifying Tesla Electric Backup plan or Virtual Power Plant plan provides an $87 monthly credit.
Powerwall Lease is now available with Tesla Electric in Texas
Whole-home backup for $35/month, with a low fixed electricity rate
– Two Powerwalls, $0 installation
– Storm Watch outage protection
– One app to manage it all pic.twitter.com/oTzqc6K3aF— Tesla Energy (@teslaenergy) August 13, 2026
This credit lowers the effective cost to roughly $35 per month plus applicable tax.
Installation of the standard system carries no additional charge. The package features Storm Watch for outage protection and allows complete management through a single Tesla application. The system supplies continuous whole-home backup capability.
The Powerwall system enables households to maintain electricity during severe storms that disrupt the utility grid. When outages occur, the batteries automatically provide seamless backup power to the home.
Tesla announces 100k Powerwalls are participating in Virtual Power Plants
Tesla Storm Watch monitors weather forecasts and ensures the units are fully charged ahead of anticipated severe weather events so that power remains available throughout the disruption, keeping lights, refrigeration, and other essential systems operating without interruption.
Availability is restricted to select Texas locations where retail electric choice exists. Participants must lease exactly two Powerwall units and maintain continuous enrollment with Tesla Electric. Solar panels cannot be included under this particular lease arrangement.
The monthly credit activates automatically once the system is installed, receives permission to operate, and enrollment is confirmed. To retain the credit, customers are required to stay enrolled in Tesla Electric and fulfill all program conditions.
Nonstandard installations that involve electrical upgrades or special permitting may lead to extra expenses and might impact eligibility for the credit, so be sure to check with either your installer or Tesla to ensure you will still qualify.
Elon Musk
Inside Tesla’s secretive $10 Billion “Project Crystal Sun” filing
Tesla filed for a $10.1 billion Fort Bend solar factory, but the site isn’t confirmed.
Tesla has filed paperwork in Texas for a second massive manufacturing project in the same week it locked down its chip fabrication site, this time for a $10.1 billion solar cell plant in Fort Bend County. The filing, submitted July 22 under the state’s Jobs, Energy, Technology and Innovation Act and first surfaced by Sawyer Merritt on X, lists an internal project name of “Project Crystal Sun” and targets a site off FM 762 and FM 1994 near Richmond, about 40 minutes outside Houston.
Tesla is planning to build a $10.1 billion vertically integrated solar cell manufacturing facility in Fort Bend County, Texas, about 40 minutes from Houston, according to a new public application filing.
Tesla is aiming to start construction this year and finish in 2028, with… pic.twitter.com/f3HIK5HGST
— Sawyer Merritt (@SawyerMerritt) August 7, 2026
The application, prepared by Kroll Tax Services on Tesla’s behalf, spans five parcels totaling roughly 3,000 acres within the Lamar Consolidated Independent School District. Tesla wants a 10 year property tax limitation in exchange for the investment, split as $1.5 billion in real property and $8.6 billion in equipment and personal property. The company projects 9,712 permanent jobs once the plant reaches full operation, with 1,147 peak construction jobs during a build window running from this year through 2028 and commercial operations targeted for the first quarter of 2029.
Tesla is not fully committed to Fort Bend County yet. The filing states the company is weighing the site against an unnamed out of state alternative, and frames the tax abatement as what would make Texas competitive against that option. If the district and county decline the incentive, Tesla says it may build elsewhere.
Tesla Megapack Megafactory in Texas advances with major property sale
The plant would handle the full solar cell production chain in one facility, according to the filing, covering wafer and ingot manufacturing, coating, metallization and printing lines, cell testing, automated material handling and cleanroom infrastructure. That scope points to Tesla vertically integrating a part of its supply chain it currently sources largely from overseas partners, mirroring the approach behind its expanding Megapack production in Brookshire, Texas, where Tesla has already built out two buildings for its grid battery business.
The timing lines up closely with Tesla and SpaceX’s other big Texas commitment this month. SpaceX confirmed its Terafab chip factory would land in Grimes County days before this filing surfaced, with construction on that $16.8 billion project starting almost immediately after local officials met with residents. Terafab is meant to produce the AI chips running Tesla’s Optimus robots and Full Self-Driving software, while a solar cell plant would feed a different part of the business, the panels and storage systems Tesla sells to homeowners, businesses and utilities, and increasingly needs to power its own data centers.
Musk has talked about building domestic solar manufacturing capacity before, tying it to the amount of power Tesla’s AI ambitions will require.
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