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New clean energy communities are coming to California. Leading homebuilder KB Homes announced Wednesday it has established what it calls the first all-electric, solar-and-battery-powered microgrid community in the golden state.

KB partnered with the US Department of Energy (DOE), SunPower, Scheider Electric, and Kia, among others, to test the new energy-efficient homes at several of its new communities.

The new all-electric, solar-and-battery-powered micro-communities are located at Oak Shade and Durango, part of KB Homes Shadow Mountain master plan in Menifee, California. However, these are not your typical energy-efficient homes with added solar panels.

The houses involved in these communities are equipped with backup battery storage, bidirectional electric vehicle charging capabilities, and perhaps most importantly, are interconnected, creating a resilient energy network.

When combined, these technologies establish a self-supporting energy network capable of powering a neighborhood during a power outage.

electric-solar-battery-community-1
KB Home launches first microgrid communities in California Source: Business Wire

How all-electric, solar-and-battery-powered community works

Each home in the microgrid community will come fitted with the following:

  • SunPower Equinox solar system
  • A 13 kWh SunVault battery storage
  • Rheem® ProTerra® hybrid electric heat pump water heater
  • Carrier® high-efficiency two-stage heat pump
  • Schneider Electric D Energy Center Smart Panel

Individual solar panels will harness energy from the sun and then store it in powerful batteries to serve as backup. In addition, community solar panels are connected to a 2.3 MW battery to complement the network’s power supply.

On top of this, all houses will come equipped with electric wiring for EV charging, while some homes will feature Wallbox chargers. Homeowners can enroll in SunPower’s Virtual Power Plan (VPP) program, which allows them to utilize their EV chargers, battery storage, and other energy solutions to balance the grid load while demand is highest automatically.

Over 200 all-electric homes will be solar-powered, with added battery storage while connected to a community microgrid. As a result, the communities are power-outage resistant, according to SunPower, serving as a model for the future of home development.

Electrek’s Take

Microgrids are not a new invention. They have been around for some time but are primarily used at industrial sites or extensive commercial developments. However, with residential energy use accounting for about 20% of GHG emissions in the United States, the community KB Homes and its partners have built should serve as a blueprint for new home building.

Furthermore, extreme weather is the number one culprit behind blackouts in the United States. According to a recent study from Climate Central, around 83% of reported major outages were from weather-related events. More importantly, the number of blackouts due to weather has risen roughly 78% in the past 10 years.

Building grid-resilient communities using solar, battery storage, and all-electric components can significantly reduce the impact.

For example, Babcock Ranch, a “solar-powered community” in Florida 12 miles from Fort Meyers, had water, electricity, and internet, while over 5 million others were not as fortunate after Hurricane Ian plowed through the state.

Last year, the DOE announced $61 million in funding to create ten “connected communities” capable of interacting with the grid to optimize energy consumption and reduce carbon emissions.

According to a DOE study, grid-interactive efficient buildings (GEBs), such as those introduced by KB Homes in California, could save $18 billion in power system costs while cutting 80 million tons of CO2 emissions each year.

On an annual basis, this is more emissions than 50 medium-sized coal plants or 17 million vehicles. The first two communities in Alabama and Georgia have used around 42% to 44% less energy than an average all-electric home.

It’s proven these microgrid communities work. Now it’s time for federal officials to step up and accelerate this transition. It will be less costly in the long run.

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E-quipment highlight: Haulotte E MAX rough terrain electric scissor lifts [video]

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E-quipment highlight: Haulotte E MAX rough terrain electric scissor lifts [video]

The new HS18 E MAX (called “HS5390” E MAX in the US, because we don’t know what meters are) rough terrain electric scissor lift from Haulotte can drive around your job site at full height, and with a full load.

Last week, Haulotte added the new HS5390 E MAX to its line of electric rough-terrain scissor lifts, completing the company’s existing HSE (HS electric) range of scissor lifts. The HS18, though, is unique – and not just because of its 18 meter fully extended height. The HS18 E MAX can be driven both fully extended, and fully loaded.

Two configurations of its material handling racks are available for the HSE scissors. The racks are built to suit the materials being transported, generally expected to be “panels” (think drywall, windows, etc.) or pipes.

Haulotte material handling rack

With a load capacity of 400 kg (over 880 lbs.), Haulotte says its new HS5390 E MAX is ideal for jobs that require the transport of heavy loads across unfinished surfaces, using a series of optional attachments to offer a productive and safe solution to keeps materials organized and off the ground, minimizes the risk of trip and fall accidents.

Haulotte says its PULSEO-powered scissor lifts (“PULSEO” is Haulotte’s electric drive brand name) revolutionize the aerial industry by offering the performance of an internal combustion diesel machine in a more environmentally friendly package that can be used across the job site and in indoor or urban settings where loud, polluting diesels aren’t an option.

Electrek’s Take

HS5390 E PRO; via Haulotte.

This is a great example of a second-generation product doubling down on electrification and delivering significant improvements on its products without focusing on things like increased runtime (that’s the equivalent of “range anxiety” in the automotive world).

By stepping back and saying, “these things are already getting the job done time-wise, how can we make them do more in the time they already have?” Companies like Haulotte and JCB have made it infinitely easier for construction crews to put the HSE scissor lifts to work.

SOURCE | IMAGES: Haulotte, via Heavy Equipment Guide.

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Mazda EZ-6 EV goes on sale with a starting price under $25,000

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Mazda EZ-6 EV goes on sale with a starting price under ,000

Mazda officially opened the order books on its new Mazda EZ-6 EV and EREV versions of the car in China yesterday. And the starting price? It’s under $25,000.

Co-developed by Mazda and Chinese state-owned Changan Auto, the EZ-6 was one of two new electric offerings that debuted back in April. The other was a CX-5/0-sized crossover called the Arata, but the EZ-6 seemed closer to production, with a promised on-sale date later this year.

Well, Mazda lived up to its promise. The all-new Mazda EZ-6 is officially available for pre-order in China. And, while our sources (Chinese car blogs Autohome and CarNewsChina) are a bit fuzzy on the actual price, the translation seems to indicate a starting price of just 160,000 yuan (a tick over $22,800, as I type this).

One thing that’s less fuzzy, however, is that there are four extended range EV, or “EREV” versions of the car (read: hybrid) along with three fully electric BEV versions available for order at the pre-sales launch.

Value for money

Despite the low price, the base version of the newest Mazda get leather seating surfaces, and higher trim versions splice leather and suede (Alcantara?) together. There’s a 14-speaker Sony audio system available, too, along with 64-color ambient lighting, “zero-gravity” front seats, which means that the seats can recline to a near-flat position, and a panoramic glass roof.

The BEV model is reported to be equipped with a single electric drive motor putting out 190 kW of power (approx. 254 hp), and can be had with either a 56.1 or 68.8 kWh battery pack, good for a CLTC range of 480 km or 600 km (about 370 miles), respectively. Top speed of either model is an electronically-limited 170 km/h (105 mph).

The “EREV” model (man, do I hate that acronym) is equipped with a 93 hp 1.5L range extending ICE generator paired to a 160 kW (215 hp) electric motor and feeding electrons to a lithium iron phosphate battery. Battery range is about 80 miles, with a “maximum comprehensive range” quoted as 1301 km (approx. 808 miles).

Electrek’s Take

Mazda-first-EV-sedan
Mazda EZ-6 electric sedan; via Mazda.

Mazda’s CEO, Masahiro Moro is working with Changan to, “turn Mazda’s China business around.” The EZ-6 is part of that plan, and is being called Mazda’s first “global” sedan. Despite that, it seems unlikely that the EZ-6 will ever make it to the US.

And that’s too bad. Our roads could use a little electrified Zoom-zoom.

SOURCES | IMAGES: Mazda, via Autohome and CarNewsChina.

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Bidirectional charging may be required on EVs soon due to new CA law

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Bidirectional charging may be required on EVs soon due to new CA law

It’s an exciting week for grid resiliency-lovers in California, as Governor Gavin Newsom followed up his earlier smart grid law and signed another law this week which may require bidirectional charging on EVs in the future – though the law has no hard timeline attached, so it may be a while before we see this happen.

Bidirectional charging refers to the capability of electric vehicles to not just take electricity from the grid to charge, but to output electricity in various forms, whether this be vehicle-to-load (plugging in devices, like the 1.8kW capability on the Kia Niro EV), vehicle-to-home (like Ford’s “Intelligent Backup Power” system), or vehicle-to-grid (like the Nissan Leaf is capable of).

While these applications may seem like a party trick, widespread use of bidirectional charging could lead to huge benefits for efficiency, grid resiliency, and enable much greater penetration of renewable electricity generation.

Most electric grids don’t really have trouble meeting the regular everyday needs of electricity consumers, it’s when big spikes happen that things get difficult. Either on a hot day when everyone is using air conditioning, or a day when electricity generation is curtailed for some reason or another, that’s when things get difficult.

And as climate change makes temperatures hotter, California’s grid is often overtaxed on the hottest summer days, which are becoming more numerous. Even worse, methane-burning fossil gas peaker plants are the highest-polluting form of electricity California consumes, and these are currently used at peak times in order to deal with high demand.

One solution to this problem is adding energy storage to the grid which can be dispatched when needed, and which can fill up when the grid is oversupplying electricity. This helps to balance out supply and demand of electricity and make everything a little more predictable.

This is why there has been a push for grid-based storage like Tesla megapacks, which represent a large source of rapidly-dispatchable energy storage.

But there’s another source of grid-connected batteries out there which was right under our nose the whole time: electric cars.

EVs, which are mostly connected to the internet anyway, could be used as a distributed energy storage device, and even called upon to help provide electricity when the grid needs it. We already see this happening with Virtual Power Plants based on stationary storage, but if cars had V2G, theoretically cars could contribute in a similar way – both saving the grid, and perhaps making their owners some money along the way via arbitrage (buying electricity when its cheap and selling it when its expensive).

The problem is, not many automakers have included V2G capabilities in their cars, and in the cars that do have it, not many manufacturers have made V2G-capable equipment, and the ones who have built it haven’t seen that many customers who are interested in spending the extra money to upgrade their electrical systems with V2G-capable equipment.

So there needs to be something to jumpstart all of that, and California thinks it might just have the thing.

New CA law might require bidirectional charging… eventually.

The idea started in 2023 when state Senator Nancy Skinner introduced a bill which would require EVs to have bidirectional charging by 2027.

As this bill made its way through the legislative process, it got watered down from that ambitious timeline. So the current form of the bill, which is now called SB 59, took away that timeline and instead gave the California Energy Commission (CEC) the go-ahead to issue a requirement whenever they see it fit.

The bill directs the CEC, the California Air Resources Board, and the California Public Utilities Commission to examine the use cases of bidirectional charging and give them the power to require specific weight classes of EVs to be bidirectional-capable if a compelling use case exists.

The state already estimates that integrating EVs into the grid could save $1 billion in costs annually, so there’s definitely a use case there, but the question is the cost and immediacy of building those vehicles into the grid.

The reason this can’t be done immediately is that cars take time to design, and while adding bidirectional charging to an EV isn’t the most difficult process, it also only really becomes useful with a whole ecosystem of services around the vehicle.

A recent chat Electrek had with DCBEL, making bidirectional chargers simpler for consumers

Even Tesla, which for years has touted itself a tech/energy company and sold powerwalls, inverters, solar panels and so on, is still only gradually trickling its bidirectional Powershare feature out onto its vehicles.

And that ecosystem has been a bit of a hard sell so far. It’s all well and good to tell someone they can make $500/year by selling energy to the grid, but then you have to convince them to buy a more expensive charging unit and keep their car plugged in all the time, with someone else managing its energy storage. Some consumers might push back against that, so part of CEC’s job is to wait to pull the trigger until it becomes apparent that people are actually interested in the end-user use case for V2G – otherwise, no sense in requiring a feature that nobody is going to use.

Electrek’s Take

Given all of these influences, we wouldn’t expect CA to require bidirectional charging any time soon. But it still gives the state a powerful trigger to pull if other efforts, like the recently-signed smart grid law, turn out not to be enough as California works to, grow, clean up, and make its grid more affordable all at the same time.

But having the force of law behind it could turn V2G into less of a parlor trick and more into something that actually makes a difference the way us EV nerds have been dreaming of for decades now (true story: Electrek once turned down Margot Robbie for an interview and instead talked to some engineers about V2G for an hour).

So, telling manufacturers that California may start mandating bidirectional charging soon means that those manufacturers will perhaps start taking V2G more seriously, particularly given the size and influence of CA’s car market. Even if the CEC doesn’t make it a requirement, the threat of it eventually becoming one means that EV-makers will probably start getting ready for it regardless.

There’s no real point to a single person discharging their car into the grid, but when millions of cars are involved, you could work to flatten out the famous “duck curve,” which describes the imbalance between electricity supply and demand. We hear a lot about “intermittency” as the problem with wind and solar, and grid storage as the solution to that, so being able to immediately switch on gigawatt-hours worth of installed storage capacity would certainly help to solve that problem. And we hope this law helps us get just a little closer to that potential future.


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