With Tesla battery packs and largest hydrogen tank in Japan, Panasonic tests a factory of the future
As a bullet train speeds by in the background, a liquid hydrogen tank towers over solar panels and hydrogen fuel cells at Panasonic’s Kusatsu plant in Japan. Combined with a Tesla Megapack storage battery, the hydrogen and solar can deliver enough electricity to power the site’s Ene-Farm fuel cell factory.
Tim Hornyak
As bullet trains whiz by at 285 kilometers per hour, Panasonic’s Norihiko Kawamura looks over Japan’s tallest hydrogen storage tank. The 14-meter structure looms over the Tokaido Shinkansen Line tracks outside the ancient capital of Kyoto, as well as a large array of solar panels, hydrogen fuel cells and Tesla Megapack storage batteries. The power sources can generate enough juice to run part of the manufacturing site using renewable energy only.
“This may be the biggest hydrogen consumption site in Japan,” says Kawamura, a manager at the appliance maker’s Smart Energy System Business Division. “We estimate using 120 tons of hydrogen a year. As Japan produces and imports more and more hydrogen in the future, this will be a very suitable kind of plant.”
Sandwiched between a high-speed railway and highway, Panasonic’s factory in Kusastsu, Shiga Prefecture, is a sprawling 52 hectare site. It was originally built in 1969 to manufacture goods including refrigerators, one of the “three treasures” of household appliances, along with TVs and washing machines, that Japanese coveted as the country rebuilt after the devastation of World War II.
Today, one corner of the plant is the H2 Kibou Field, a demonstration sustainable power facility that started operations in April. It consists of a 78,000-liter hydrogen fuel tank, a 495 kilowatt hydrogen fuel cell array made up of 99 5kW fuel cells, 570kW from 1,820 photovoltaic solar panels arranged in an inverted “V” shape to catch the most sunlight, and 1.1 megawatts of lithium-ion battery storage.
On one side of the H2 Kibou Field, a large display indicates the amount of power being produced in real time from fuel cells and solar panels: 259kW. About 80% of the power generated comes from fuel cells, with solar accounting for the rest. Panasonic says the facility produces enough power to meet the needs of the site’s fuel cell factory — it has peak power of about 680kW and annual usage of some 2.7 gigawatts. Panasonic thinks it can be a template for the next generation of new, sustainable manufacturing.
“This is the first manufacturing site of its kind using 100% renewable energy,” says Hiroshi Kinoshita of Panasonic’s Smart Energy System Business Division. “We want to expand this solution towards the creation of a decarbonized society.”
The 495kilowatt hydrogen fuel cell array is made up of 99 5KW fuel cells. Panasonic says it’s the world’s first site of its kind to use hydrogen fuel cells toward creating a manufacturing plant running on 100% renewable energy.
Tim Hornyak
An artificial intelligence-equipped Energy Management System (EMS) automatically controls on-site power generation, switching between solar and hydrogen, to minimize the amount of electricity purchased from the local grid operator. For example, if it’s a sunny summer day and the fuel cell factory needs 600kW, the EMS might prioritize the solar panels, deciding on a mixture of 300kW solar, 200 kW hydrogen fuel cells, and 100kW storage batteries. On a cloudy day, however, it might minimize the solar component, and boost the hydrogen and storage batteries, which are recharged at night by the fuel cells.
“The most important thing to make manufacturing greener is an integrated energy system including renewable energy such as solar and wind, hydrogen, batteries and so on,” says Takamichi Ochi, a senior manager for climate change and energy at Deloitte Tohmatsu Consulting. “To do that, the Panasonic example is close to an ideal energy system.”
With grey hydrogen, not totally green yet
The H2 Kibou Field is not totally green. It depends on so-called grey hydrogen, which is generated from natural gas in a process that can release a lot of carbon dioxide. Tankers haul 20,000 liters of hydrogen, chilled in liquid form to minus 250 Celsius, from Osaka to Kusatsu, a distance of some 80 km, about once a week. Japan has relied on countries like Australia, which has greater supplies of renewable energy, for hydrogen production. But local supplier Iwatani Corporation, which partnered with Chevron earlier this year to build 30 hydrogen fueling sites in California by 2026, has opened a technology center near Osaka that is focused on producing green hydrogen, which is created without the use of fossil fuels.
Another issue that is slowing adoption is cost. Even though electricity is relatively expensive in Japan, it currently costs much more to power a plant with hydrogen than using power from the grid, but the company expects Japanese government and industry efforts to improve supply and distribution will make the element significantly cheaper.
“Our hope is that hydrogen cost will go down, so we can achieve something like 20 yen per cubic meter of hydrogen, and then we will be able to achieve cost parity with the electrical grid,” Kawamura said.
Panasonic is also anticipating that Japan’s push to become carbon-neutral by 2050 will boost demand for new energy products. Its fuel cell factory at Kusatsu has churned out over 200,000 Ene-Farm natural gas fuel cell for home use. Commercialized in 2009, the cells extract hydrogen from natural gas, generate power by reacting it with oxygen, heat and store hot water, and deliver up to 500 watts of emergency power for eight days in a disaster. Last year, it began selling a pure hydrogen version targeted at commercial users. It wants to sell the fuel cells in the U.S. and Europe because governments there have more aggressive hydrogen cost-cutting measures than Japan. In 2021, the U.S. Department of Energy launched a so-called Hydrogen Shot program that aims to slash the cost of clean hydrogen by 80% to $1 per 1 kilogram over 10 years.
Panasonic doesn’t plan to increase the scale of its H2 Kibou Field for the time being, wanting to see other companies and factories adopt similar energy systems.
It won’t necessarily make economic sense today, Kawamura says, “but we want to start something like this so it will be ready when the cost of hydrogen falls. Our message is: if we want to have 100% renewable energy in 2030, then we must start with something like this now, not in 2030.”
Several well-known players in the US electric bicycle market have recently joined forces in creative ways. Electric Bike Company, known for its local manufacturing in Southern California, has just announced a major merger with Integral Electrics, an e-bike brand uniquely designing electric bicycles for women and other short statured riders.
Both Electric Bike Company and Integral Electrics have carved out interesting niches in the industry. EBC has become famous for its extremely customizable electric bicycles. Riders can choose everything from the specific paint color to the combination of components and even the material choices – locally manufactured wooden fenders, anyone?
With multiple assembly locations across Newport Beach in Southern California, the local production has allowed EBC to respond quickly to one-of-a-kind builds that are designed by customers on its website or in any of hundreds of dealer locations around the US. The extreme customization has lent itself well to a market where customers often want to create unique bikes that show off personality and character.
Integral Electrics has also found itself an underrepresented market, but this time with a focus on female riders. The brand focuses on making cycling more accessible, regardless of a rider’s gender, height, or cycling experience. The company’s e-bikes are built to fit a wider range of riders, carry multiple children, and make cycling easier for everyone.
The company’s founder and CEO Laura Belmar started Integral Electrics back in 2023 along with co-founder Paul Freedom, relying on her own experience struggling to find a cargo e-bike that she could comfortably ride with her children. A serial entrepreneur with successful ventures already under her belt, Belmar followed her instincts and tapped into that underserved market.
Now Integral Electrics and Electric Bike Company are merging under a single brand, with Integral Electric’s designs joining the EBC family. EBC has several famous models available, but the brand has long skewed more in the direction of cruisers and comfort bikes. The addition of Integral Electric’s cargo bikes and trikes will help further round out the diversity of models offered.
“Integral’s emphasis on female riders and on cargo e-bikes is a welcome addition to the EBC family,” said EBC founder and CEO Sean Lupton-Smith. “We want to stay on the cutting edge of where the e-bike market is headed, and Integral’s innovative approach helps push us forward.”
And with EBC’s local manufacturing, those bikes will be made closer to home than ever. “Building in the USA also has distinct safety advantages,” explained Belmar. “From my first visit to Electric Bike Company’s California factory, I have been indelibly impressed by the emphasis on quality and safety. Shipping bikes fully built and inspected is so much safer for customers. Electric Bike Company has already achieved one of our long-held aspirations. I’m honored to be part of this team.”
In a climate of tariff uncertainty, the ability to build and assemble bikes locally is becoming even more advantageous. “As tariffs, regulation and competition put pressure on the e-bike industry, Sean’s focus on customization and safety at Electric Bike Company was prescient,” added Freeman. “As we look around the industry, it’s clear that he has built a business that is well-positioned to meet this moment.”
As part of the merger, Belmar will assume the role of President and Chief Commercial Officer at EBC, and Integral Electrics’ Advisor Michael Edwards will join the EBC board.
The news of the merger follows quickly behind another major EBC partnership that saw Pedego ink a licensing deal with the brand to leverage EBC’s customization strengths to produce unique customer-designed Pedego e-bikes.
In addition to rolling out EBC’s Design Wall at many of Pedego’s stores, allowing customers to visually construct any e-bike combination right there in real-time on a large touchscreen, the partnership adds Pedego’s 150+ stores to EBC’s 250+ dealer network, giving customers access to one of the most extensive e-bike sales and service networks in the country.
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Environment
Honda’s $99 Prologue EV lease offer is too good to be true, but it’s still a crazy deal right now
A nearly $50,000 electric SUV for just $99 a month? If that sounds too good to be true, it’s because it kind of is. One Honda dealer is promoting a Prologue lease offer for just $99 for 24 months, but you may have a hard time getting your hands on one.
Honda Prologue EV listed for lease at just $99 per month
Honda’s electric SUV is already one of the most popular EVs in the US. In December, it was the third top-selling electric vehicle trailing only the Tesla Model Y and Model 3.
Since the first models hit the streets last March, the Prologue climbed to become the seventh best-selling EV in 2024, beating out Chevy’s new Equinox EV and even the Rivian R1S.
Although Honda, like most, is offering generous discounts to clear inventory, one dealer is taking it to the extreme.
Buena Park Honda in California is promoting a Honda Prologue lease deal for just $99 for 24 months (plus taxes) with a $3,977 down payment. The crazy low offer is for the 2024 Prologue EX FWD with 10,000 miles a year, but there’s a catch.
For one, there’s only one model listed in its inventory, and it’s the Elite trim, listed at $51,850 (MSRP of $59,350 minus the $7,500 federal EV tax credit). You will also need a trade-in vehicle, including a 2014 or newer Honda or competitor brand.
A salesperson from the dealership told online auto research firm CarsDirect that the EX models are out of stock because they are “really hard to get your hands on.”
Also, if you factor in the down payment and $595 acquisition fee, the effective cost is $295 per month. That’s only slightly better than the official $239 for a 24-month lease offer Honda is promoting. With just $1,499 due at signing, the effective rate is $301 per month, or just $6 more.
| 2024 Honda Prologue trim | Starting Price (w/o $1,395 destination fee) |
Starting price after tax credit (w/o $1,395 destination fee) |
Starting price after tax credit (with $1,395 destination fee) |
EPA Range (miles) |
| EX (FWD) | $47,400 | $39,900 | $41,295 | 296 |
| EX (AWD) | $50,400 | $42,900 | $44,295 | 281 |
| Touring (FWD) | $51.700 | $44,200 | $45,595 | 296 |
| Touring (AWD) | $54,700 | $47,200 | $48,595 | 281 |
| Elite (AWD) | $57,900 | $50,400 | $51,795 | 273 |
Although this is offered in California and other CARB emissions states, the Prologue is on sale in different regions for just $209 for 24 months. With $2,699 due at signing, the effective rate is still just $321 per month.
Honda says the Prologue “delivers the same level of quality, reliability, and performance” you expect from the brand.
Based on GM’s Ultium platform, the electric SUV has an EPA-estimated range of up to 296 miles. Although it shares GM’s tech, Honda fine-tuned the Prologue with an added multi-link front and rear suspension to give it a more “sporty” drive.
The Prologue has more interior space, with 111.7 cu ft of passenger volume, than the Honda CR-V (106 cu ft). It also features an 11.3″ touch-screen infotainment system with built-in Google, Apple CarPlay, and Android Auto support, something GM has moved away from.
Ready to find deals in your area? Although it may not be $99, these offers are hard to pass up for a nearly $50,000 electric SUV. Check out our link to find deals on the Honda Prologue near you today.
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