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Utilities must adapt before electric cars drive off with their business

Recent advancements in energy technology should come as a wake-up call to Canadian utility companies. The rise of electric vehicles (EVs) in particular is already an indicator of change as batteries become…

Editor 4 min read
Utilities must adapt before electric cars drive off with their business
Utilities must adapt before electric cars drive off with their business

From the Lithium News archive. This article dates from May 14, 2018 and is preserved as first published.

Recent advancements in energy technology should come as a wake-up call to Canadian utility companies.

The rise of electric vehicles (EVs) in particular is already an indicator of change as batteries become more affordable, ubiquitous and desirable. According to the World Energy Markets Observatory report, new registration of battery and plug-in hybrid electric vehicles recently reached a record high with more than 750,000 sales worldwide. The prevailing rise of gas prices, the cost of EVs dropping and the convenience of battery and charging technology are all important factors.

This disruption within the energy industry will affect Canadian business leaders and consumers alike. If Canadian utilities are not studying what is happening around the world regarding new energy business models resulting from major advancements from batteries and electric vehicles, they risk getting left behind.

For example, in countries with a higher adoption of EVs, we are now seeing the evolution of new business models around residential communities and vehicle fleets. The Nordics are leading the way with a fleet of plug-in cars that is the largest per capita in the world. Car owners are beginning to have easy access to charging stations through housing co-ops. Using an app, co-ops can bill drivers for individual usage of charging stations and consumers to keep track of their electricity usage while providing visibility into the distribution of energy across the grid.

For example, in countries with a higher adoption of EVs, we are now seeing the evolution of new business models around residential communities and vehicle fleets.

But what about the rest of the world? The Cars Online report that studies behaviours in the automotive sector asked 8,000 consumers from eight countries what would drive them to buy an electric car – 43 per cent of respondents said that charging or exchanging the battery would have to be as quick and easy as filling up their tank with gasoline. Assuming the average Canadian automobile commuter travels about 50 kilometres a day, companies such as Tesla are already capable of supercharging an EV battery quickly enough to meet the average commuter’s needs.

And while battery technology is already disrupting transportation, it will have its biggest impact on the energy and utilities industry. Those who own the batteries and the charging infrastructure will play a significant role in the future of energy management.

Consider this energy management scenario in the not-so-distant future. Imagine an EV with an 85 kilowatt hour (kWh) battery. The average home in Canada consumes between 25 kWh and 30 kWh a day, depending on where they live. As a result, a fully charged 85 kWh EV battery represents almost three times more power than one needs to run a home daily. The typical commuter’s electric vehicle only uses a small amount of its battery every day – to go to work, run a few errands and go home. Most people with electric vehicles would have energy capacity to spare at the end of an average day’s commute.

Consumers would be able to drive EVs to work the next day, plug in and have the building or parking lot buy the excess energy at lower time-of-use rates from their battery, to a limit they approve. The building could then use that energy to feed their facility’s own energy needs. Better still, consumers could use excess battery capacity to power their homes.

As EVs grow in numbers and magnitude, they will have greater impact on how we view sources of energy and transform the model for how energy is supplied and who supplies it.

Here in Canada, utilities should look forward to this change and view it not only as a threat but also an opportunity to provide new business models in more innovative and environmentally sustainable ways.

Canadian utility executives must decide if they are going to be at the heart of this change and proactively be part of developing the infrastructure needed in the future or if they will stay on the sidelines and simply react to the disruptions. Government and regulators need to play the part of making energy transition easier for utilities as well.

Utility companies are already well positioned to be part of creative and positive solutions. For example, further developing the approach to solar renewable energy could include a business model that gives consumers fractional ownership. Alternatively, the growing number of EVs on the road could mean that vehicle fleet operators partner with utilities to repurpose second-run batteries to offer consumers backup energy during storms and emergencies (at a fraction of what it would cost the homeowners to put in batteries themselves).

Staying ahead of the game, looking at renewables and distributed energy storage assets are all ways of remaining relevant in the new energy economy. As consumer and corporate sentiment drives Canada toward new energy mixes, executives must put more emphasis on emerging technologies or risk getting left behind. Once a consumer is on board for an alternative to the traditional model, they are likely gone forever. Once they disconnect from the grid completely, utilities, and even regulators, won’t be able to stop them.

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Minnesota utilities hope surge of big-scale batteries helps transition to clean energyJared Newton remembers panicking at times when launching three first-of-their-kind battery projects in Minnesota for Connexus Energy in 2019. Would lithium technology — paired with solar farms — charge fast enough in the morning to meet afternoon electric needs? "Until I saw it in action, we didn't know if we'd be able to get them charged in time," said Newton, who leads engineering and system operations for the electric cooperative in Ramsey. Newton and Connexus are local trailblazers in the fledgling world of utility batteries. Now, Minnesota is on the brink of a large-scale rollout of the mega batteries over the next six years, putting the state on pace for a relative boom in battery infrastructure. On Thursday, state utility regulators approved a certificate of need for a $450 million project by Invenergy near Lake Wilson that would be by far the largest storage system in the state. Utilities — plus state planners here and across the country — are counting on utility-scale batteries to help with the shift from coal to wind and solar energy in the next two decades. However, many forms of the promising technology are still mostly untested beyond pilot projects and the batteries, while they have dropped in price, are still expensive. Xcel Energy, Minnesota's largest electricity provider, has no batteries in the state so far but released plans in February for a sizable fleet to help as it works toward closing its coal plants by 2030. A study commissioned by the state Legislature released this month also said a battery influx is needed for utilities to meet a state target for carbon-free electricity by 2040. "I feel like we've been talking about [energy storage] a long time," said Julie Pierce, vice president of planning and strategy for Duluth-based Minnesota Power. "Now we're really seeing the fit and form come into fruition here." What batteries can be used for The biggest challenge of shifting energy sources from fossil fuels to wind and solar power is 24-hour reliability. If there's no wind or it's a cloudy day, it can interfere with power generation. Especially during spikes in need, utilities need a backup. Xcel has two large nuclear plants, some hydropower and will use natural gas "peaking" plants for many years. But batteries can be used instead of gas for extra juice when demand is at its highest, like a hot summer day when people are running air-conditioning. "We're losing over two gigawatts of round-the-clock potential baseload power," said Justin Tomljanovic, Xcel's vice president of corporate development. "We're replacing it with generally intermittent resources." Two gigawatts can supply enough power for up to 2 million homes. Astrid Atkinson, CEO of California-based Camus Energy, said batteries also will play many smaller and more specific roles in a modern electric grid that has become more complex because of things like increased use of electric vehicles. Her company is working with Connexus and pitches software that acts as an air-traffic controller and helps cooperatives better use batteries. Pilot projects and 'baby steps' Connexus has 15 megawatts of batteries at three sites and plans for more. It uses a form of common lithium batteries that has a short battery life but is trusted and already widely available. Not only was the cooperative an early adopter of batteries, it still stands out. Outside of Connexus, there was only one other utility-scale battery facility in Minnesota as of December, a state study released this month found, and it is small. The study, commissioned by the Legislature and conducted by Siemens Industry, suggested Minnesota could need between 1.35 and 2.8 gigawatts of energy storage to hit the 2040 carbon-free target. Siemens pegged the optimal amount at 1.7 gigawatts, a little more than the capacity of Xcel's largest Minnesota coal plant in Sherburne County. So far, Xcel has state approval for an experimental 10 megawatt, 100-hour long-duration battery with Form Energy that uses iron and the process of rusting to store power. Great River Energy has a smaller pilot project with Form in the works, too. Cole Funseth, Great River's manager of generation engineering, said the battery is so promising and desired by the industry because it could help over long stretches, like a polar vortex that hampers natural gas production. Minnesota Power is a partner on the state's other battery facility, a small lithium ion project in Grand Rapids, but the company is eyeing grant funding after unsuccessfully applying for federal help to test another long-lasting technology known as a flow battery. "The utilities are still very much calling these pilot projects," said Beth Soholt, executive director of Clean Grid Alliance, a trade group that represents wind, solar and battery developers. "Until they have operating experience — they can touch it, kick it, see what it does — they don't know." Meanwhile, Soholt said the 15-state regional grid operator is still taking "baby steps" on batteries, writing rules for the open energy market that will be critical for developers and the future of the technology. In this early phase, utilities also say grant money is crucial. Ryan Long, Xcel's president in Minnesota, said in general the economics for batteries have improved. But Pierce of Minnesota Power said costs are still high, especially for technology that hasn't been fully commercialized. "It's probably on the higher end of some of the [carbon-free] alternatives right now, though we do have a lot of hope for the industry," Pierce said. Xcel, while refusing to divulge the overall cost, got a $70 million grant to use on the Form pilot project in Minnesota and another in Colorado, as well as $20 million from a Bill Gates-founded platform. Power surge ahead Xcel's new long-range plan calls for 600 megawatts of storage by 2030, which is large but less than half the power output of the large coal-fired plant in Sherburne County. Great River plans to add 200 megawatts in 2030. The state Public Utilities Commission (PUC) approved a plan for Minnesota Power to incorporate up to 500 megawatt hours — a measure that accounts for output and duration — of storage, likely by 2030. That is in the ballpark for how much battery storage Siemens found each utility might need. Smaller cooperatives and municipal utilities also will have to build hundreds of megawatts of batteries in total, Siemens said. Still, the question of exactly what kind of technology the utilities will build is unresolved. Connexus seems likely to keep its focus on lithium, the proverbial meat and potatoes of the battery world. Newton said long-duration batteries are likely critical in a carbon-free grid, but he said the highly anticipated technology such as Form seems "sort of like vaporware" until it's actually operating. Xcel isn't solely focused on the Form battery either. Tomljanovic said the utility is planning on also using lots of the readily available lithium ion units. And because long-range technology is still under development, the Siemens projection was based on four-hour lithium ion. Great River initially said its Form battery would be in operation by the end of 2023, though now the company expects late 2024 or early 2025. Funseth said the delay is because GRE is waiting to get batteries produced at Form's factory under construction in West Virginia rather than get custom infrastructure. "I wish the Form Energy pilot projects could go faster," Soholt said. "Because I think that we need to understand if they're going to pan out or not." Minnesota Power also is looking at a combination of technologies, Pierce said. The utility needs energy storage systems that can last for 10 to 12 hours that would better serve the company's customer base, which includes heavy industry like taconite mines. Right now, along with state regulators, Xcel is taking bids for a large amount of what is called "dispatchable" energy — power sources like gas plants or batteries that can be called on quickly for fast power that isn't dependent on weather. The Invenergy project near Lake Wilson in front of the PUC Thursday was for a 95 MW lithium ion battery project — the largest in the state if built — and solar farm. Then there are more novel ideas. California-based Rondo Energy bid what it calls a thermal battery, which would operate by storing heat in refractory bricks that could be released as steam heat or electricity. Connexus, Newton said, is confident now in both the economics and operation of its batteries. "It had to save money for the members," he said. "But then we're also really excited because we now have had a team of engineers and operators that have five years of battery experience under their belt."