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Ask any climate wonk what’s holding back clean energy in the U.S. and you’re likely to get the same answer — not enough power lines. But what if the problem isn’t the number of power lines, but rather the outdated metal wires they’re made of?
Restringing transmission lines with more advanced wires, a process known as “reconductoring,” has the potential to double the amount of electricity our existing transmission system can handle, for less than half the price of building new lines. That’s the main finding of a recently published working paper from researchers at the University of California, Berkeley, and Gridlab, an energy consulting firm.
There are a few reasons that something as boring and seemingly ubiquitous as power lines are so crucial to the energy transition. Electrifying our cars and homes will increase demand for electricity, and much of the system is already too congested to integrate new wind and solar power plants. Plus, there just aren’t enough lines that run from the sunniest, windiest places to the places where most people actually live.
To realize the emission reduction potential of the clean energy subsidies in the Inflation Reduction Act, we have to more than double the rate of transmission expansion, according to research from Princeton University’s Repeat Project. Clean energy projects already face major delays and are often hit with exorbitant bills to connect to the grid. A study from Lawrence Berkeley National Laboratory called “Queued Up” found that at the end of 2022, there were more than 10,000 power plant and energy storage projects waiting for permission to connect to the grid — enough to double electricity production in the country. Some 95% of them were zero-carbon resources.
The main problem is permitting. Establishing rights-of-way for new power lines requires extensive environmental review and invites vicious local opposition. People don’t want to look at more wires strung across the landscape. They worry the eyesore will decrease their property value, or that the construction will hurt local ecosystems. New power lines often take upwards of 10 years to plan, permit, and build.
But it’s possible to avoid this time-consuming process, at least in many cases, by simply reconductoring lines along existing rights-of-way. Most of our existing power lines have a steel core surrounded by strands of aluminum. Advanced conductors replace the steel with a lighter but stronger core made of a composite material, such as carbon fiber. This subtle shift in materials and design enables the line to operate at higher temperatures, with less sag, significantly increasing the amount of power it can carry.
Advanced conductors cost two to four times more than conventional power lines — but upgrading an existing line to use advanced conductors can be less than half what a new power line would cost because it eliminates much of the construction spending and fees from permitting for new rights-of-way, the Berkeley study found.
“The most compelling, exciting thing is that it only requires a maintenance permit,” Duncan Callaway, an associate professor of energy and resources at Berkeley and one of the authors said while presenting the research over Zoom last week.
The paper highlights a 2016 project in southeastern Texas. Due to rapid population growth in the area, the local utility, American Electric Power, was seeing higher demand for electricity at peak times than it was prepared for, leading to blackouts. It needed to come up with a solution, fast, and decided that reconductoring 240 miles of its transmission lines would take less time than permitting new ones. The project ended up finishing ahead of schedule and under budget, at a cost of $900,000 per mile. By comparison, the 3,600 miles of new lines built under Texas’ Competitive Renewable Energy Zone program, which were built to connect wind-rich areas to population centers, cost more than double, at an average of $1.9 million per mile.
Callaway and his co-authors also plugged their findings into a power system expansion model — basically a computer program that maps out the most cost-effective mix of technologies to meet regional electric power demand. They fed the model a scenario where the only option for transmission was to build new lines at their slow, historical rate, as well as a scenario where there was also an option to reconductor along existing rights-of-way. The second scenario resulted in nearly four times as much transmission capacity by 2035, enabling the country to achieve a more than 90% clean electric grid by that date.
There are cases where new power lines are needed — for example, to establish a new route to access a high-quality renewable resource, Emilia Chojkiewicz, another author of the study, told me in an email. But she said it nearly always makes sense to consider reconductoring given the potential to double capacity and do so much more quickly. “Unfortunately,” she added, “current transmission planning practices do not tend to incentivize or even consider reconductoring.”
This all seems so ridiculously easy that it begs the question: Why aren’t utilities already rushing to do it? During the webinar last week, Chojkiewicz and her co-authors said part of the problem is just a lack of awareness and comfort with the technology. But the bigger issue is that utilities are not incentivized to look for cheaper, more efficient solutions like reconductoring because they profit off capital spending.
To change this, they suggested that the Federal Energy Regulatory Commission, which oversees interstate transmission, and state public service commissions, which regulate utilities at the state level, mandate the consideration of reconductoring in transmission and resource planning processes, and to properly value the benefits that advanced conductors provide. The Department of Energy could also consider instituting a national conductor efficiency standard, so that all new wires installed, whether along existing rights-of-way or new routes, achieve a minimum level of performance.
Reconductoring isn’t the only no-brainer alternative to building new power lines. Another study from the clean energy think tank RMI published last week illustrates the opportunity with even cheaper tweaks called “grid enhancing technologies.” One option is to install sensors that collect data on wind speed, temperature, and other factors that affect power lines in real time, called dynamic line ratings. These sensors allow utilities to safely increase the amount of power transmitted when weather conditions permit it. There are also power flow controls that can redirect power away from congested lines so that it can be transmitted elsewhere rather than wasted.
RMI found that in the PJM interconnection — a section of the grid in the eastern U.S. that is so congested the grid operator has frozen new applications to connect to it — these grid enhancing technologies could open up more than 6 gigawatts of new capacity to wind, solar, and storage projects in just three years. For reference, in 2022, nearly 300 gigawatts-worth of energy projects were waiting for permission to connect in PJM at the end 2022.
The cost savings are not just theoretical. In 2018, the PJM grid operator determined that a wind farm expansion in Illinois was going to require $100 million of grid upgrades — including building new lines and reconductoring existing ones — over a timeline of about three years before it would be able to connect. The developer countered that the needed upgrades could be achieved through power flow controls, which could be installed for a cost of just $12 million in less than half the time. PJM approved the idea, and the project is currently underway.
Congress is still debating how to reform permitting processes. But while that’s still a necessary step, it’s becoming increasingly clear that there’s a host of other outside-the-box solutions that can be deployed more quickly, in the near term. The IRA may have convinced the environmental movement that building new stuff was worth it, but there are still a lot of cases where the smarter choice is to renovate.
Editor’s note: This story has been updated to correct the cost of adding power flow controls to the PJM interconnection.
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For now, at least, the math simply doesn’t work. Enter the EREV.
American EVs are caught in a size conundrum.
Over the past three decades, U.S. drivers decided they want tall, roomy crossovers and pickup trucks rather than coupes and sedans. These popular big vehicles looked like the obvious place to electrify as the car companies made their uneasy first moves away from combustion. But hefty vehicles and batteries don’t mix: It takes much, much larger batteries to push long, heavy, aerodynamically unfriendly SUVs and trucks down the road, which can make the prices of the EV versions spiral out of control.
Now, as the car industry confronts a confusing new era under Trump, signals of change are afoot. Although a typical EV that uses only a rechargeable battery for its power makes sense for smaller, more efficient cars with lower energy demands, that might not be the way the industry tries to electrify its biggest models anymore.
The predicament at Ford is particularly telling. The Detroit giant was an early EV adopter compared to its rivals, rolling out the Mustang Mach-E at the end of 2020 and the Ford F-150 Lightning, an electrified version of the best-selling vehicle in America, in 2022. These vehicles sell: Mustang Mach-E was the No. 3 EV in the United States in 2024, trailing only Tesla’s big two. The Lightning pickup came in No. 6.
Yet Ford is in an EV crisis. The 33,510 Lightning trucks it sold last year amount to less than 5% of the 730,000-plus tally for the ordinary F-150. With those sales stacked up against enormous costs needed to invest in EV and battery manufacturing, the brand’s EV division has been losing billions of dollars per year. Amid this struggle, Ford continues to shift its EV plans and hasn’t introduced a new EV to the market in three years. During this time, rival GM has begun to crank out Blazer and Equinox EVs, and now says its EV group is profitable, at least on a heavily qualified basis.
As CEO Jim Farley admitted during an earnings call on Wednesday, Ford simply can’t make the math work out when it comes to big EVs. The F-150 Lightning starts at $63,000 thanks in large part to the enormous battery it requires. Even then, the base version gets just 230 miles of range — a figure that, like with all EVs, drops quickly in extreme weather, when going uphill, or when towing. Combine those technical problems and high prices with the cultural resistance to EVs among many pickup drivers and the result is the continually rough state of the EV truck market.
It sounds like Ford no longer believes pure electric is the answer for its biggest vehicles. Instead, Farley announced a plan to pivot to extended-range electric vehicle (or EREV) versions of its pickup trucks and large SUVs later in the decade.
EREVs are having a moment. These vehicles use a large battery to power the electric motors that push the wheels, just like an EV does. They also carry an onboard gas engine that acts as a generator, recharging the battery when it gets low and greatly increasing the vehicle’s range between refueling stops. EREVs are big in China. They got a burst of hype in America when Ram promised its upcoming Ramcharger EREV pickup truck would achieve nearly 700 miles of combined range. Scout Motors, the brand behind the boxy International Scout icon of the 1960s and 70s, is returning to the U.S. under Volkswagen ownership and finding a groundswell of enthusiasm for its promised EREV SUV.
The EREV setup makes a lot of sense for heavy-duty rides. Ramcharger, for example, will come with a 92 kilowatt-hour battery that can charge via plug and should deliver around 145 miles of electric range. The size of the pickup truck means it can also accommodate a V6 engine and a gas tank large enough to stretch the Ramcharger’s overall range to 690 miles. It is, effectively, a plug-in hybrid on steroids, with a battery big enough to accomplish nearly any daily driving on electricity and enough backup gasoline to tow anything and go anywhere.
Using that trusty V6 to generate electricity isn’t nearly as energy-efficient as charging and discharging a battery. But as a backup that kicks in only after 100-plus miles of electric driving, it’s certainly a better climate option than a gas-only pickup or a traditional hybrid. The setup is also ideally suited for what drivers of heavy duty vehicles need (or, at least, what they think they need): efficient local driving with no range anxiety. And it’s similar enough to the comfortable plug-and-go paradigm that an extended-range EV should seem less alien to the pickup owner.
Ford’s big pivot looks like a sign of the times. The brand still plans to build EVs at the smaller end of its range; its skunkwords experimental team is hard at work on Ford’s long-running attempt to build an electric vehicle in the $30,000 range. If Ford could make EVs at a price at least reasonably competitive with entry-level combustion cars, then many buyers might go electric for pure pragmatic terms, seeing the EV as a better economic bet in the long run. Electric-only makes sense here.
But at the big end, that’s not the case. As Bloombergreports on Ford’s EV trouble, most buyers in the U.S. show “no willingness to pay a premium” for an electric vehicle over a gas one or a hybrid. Facing the prospect of the $7,500 EV tax credit disappearing under Trump, plus the specter of tariffs driving up auto production costs, and the task of selling Americans an expensive electric-only pickup truck or giant SUV goes from fraught to extremely difficult.
As much as the industry has coalesced around the pure EV as the best way to green the car industry, this sort of bifurcation — EV for smaller vehicles, EREV for big ones — could be the best way forward. Especially if the Ramcharger or EREV Ford F-150 is what it takes to convince a quorum of pickup truck drivers to ditch their gas-only trucks.
Current conditions: People in Sydney, Australia, were told to stay inside after an intense rainstorm caused major flooding • Temperatures today will be between 25 and 40 degrees Fahrenheit below average across the northern Rockies and High Plains • It’s drizzly in Paris, where world leaders are gathering to discuss artificial intelligence policy.
Well, today was supposed to be the deadline for new and improved climate plans to be submitted by countries committed to the Paris Agreement. These plans – known as nationally determined contributions – outline emissions targets through 2030 and explain how countries plan to reach those targets. Everyone has known about the looming deadline for two years, yet Carbon Briefreports that just 10 of the 195 members of the Paris Agreement have submitted their NDCs. “Countries missing the deadline represent 83% of global emissions and nearly 80% of the world’s economy,” according to Carbon Brief. Last week UN climate chief Simon Stiell struck a lenient tone, saying the plans need to be in by September “at the latest,” which would be ahead of COP30 in November. The U.S. submitted its new NDC well ahead of the deadline, but this was before President Trump took office, and has more or less been disregarded.
Many of the country’s largest pension funds are falling short of their obligations to protect members’ investments by failing to address climate change risks in their proxy voting. That’s according to new analysis from the Sierra Club, which analyzed 32 of the largest and most influential state and local pension systems in the U.S. Collectively, these funds have more than $3.8 trillion in assets under management. Proxy voting is when pensions vote on behalf of shareholders at companies’ annual meetings, weighing in on various corporate policies and initiatives. In the case of climate change, this might be things like nudging a company to disclose greenhouse gas emissions, or better yet, reduce emissions by creating transition plans.
This report looked at funds’ recent proxy voting records and voting guidelines, which pension staff use to guide their voting decisions. The funds were then graded from A (“industry leaders”) to F (“industry laggards”). Just one fund, the Massachusetts Pension Reserves Investment Management (MassPRIM), received an “A” grade; the majority received either “D” or “F” grades. Others didn’t disclose their voting records at all. “To ensure they can meet their obligations to protect retirees’ hard-earned money for decades to come, pensions must strengthen their proxy voting strategies to hold corporate polluters accountable and support climate progress,” said Allie Lindstrom, a senior strategist with the Sierra Club.
Football fans in Los Angeles watching last night’s Super Bowl may have seen an ad warning about the growing climate crisis. The regional spot was made by Science Moms, a nonpartisan group of climate scientists who are also mothers. The “By the Time” ad shows a montage of young girls growing into adults, and warns that climate change is rapidly altering the world today’s children will inherit. “Our window to act on climate change is like watching them grow up,” the voiceover says. “We blink, and we miss it.” It also encourages viewers to donate to LA wildfire victims. A Science Moms spokesperson toldADWEEK they expected some 11 million people to see the ad, and that focus group testing showed a 25% increase in support for climate action among viewers. The New York Timesincluded the ad in its lineup of best Super Bowl commercials, saying it was “a little clunky and sanctimonious in its execution but unimpeachable in its sentiments.”
General Motors will reportedly stop selling the gas-powered Chevy Blazer in North America after this year because the company wants its plant in Ramos Arizpe, Mexico, to produce only electric vehicles. The move, first reported by GM Authority, means “GM will no longer offer an internal combustion two-row midsize crossover in North America.” If you have your heart set on a Blazer, you can always get the electric version.
In case you missed it: Airbus has delayed its big plan to unveil a hydrogen-powered aircraft by 2035, citing the challenges of “developing a hydrogen ecosystem — including infrastructure, production, distribution and regulatory frameworks.” The company has been trying to develop a short-range hydrogen plane since 2020, and has touted hydrogen as key to helping curb the aviation industry’s emissions. It didn’t give an updated timeline for the project.
“If Michael Pollan’s basic dietary guidance is ‘eat food, not too much, mostly plants,’ then the Burgum-Wright energy policy might be, ‘produce energy, as much as you can, mostly fossil fuels.’”
–Heatmap’s Matthew Zeitlin on the new era of Trump’s energy czars
Chris Wright and Doug Burgum started their reign this week by amplifying the president and beating back Biden-era policies.
The Trump administration’s two most senior energy officials, Secretary of the Interior Doug Burgum and Secretary of Energy Chris Wright, are both confirmed and in office as of this week, and they have started to lay out their vision for how their agencies will carry out Donald Trump’s “energy dominance” agenda.
Where the Biden administration sought to advance traditional Democratic policy around public lands (namely, to expand, conserve, and preserve them) while also boosting the development of renewable energy, Burgum and Wright have laid out something of the inverse approach: Maximize the production of domestic energy and minerals, with a focus on fossil fuels, and to the extent non-fossil fuels are a priority, they should be “baseload” or “firm” power sources like nuclear, hydropower, or geothermal.
If Michael Pollan’s basic dietary guidance is “eat food, not too much, mostly plants,” then the Burgum-Wright energy policy might be, “produce energy, as much as you can, mostly fossil fuels.”
Burgum and Wright each laid out his philosophy in the form of secretarial orders, the agency equivalent of an executive order.
“Our focus must be on advancing innovation to improve energy and critical minerals identification, permitting, leasing, development, production, transportation, refining, distribution, exporting, and generation capacity of the United States to provide a reliable, diversified, growing, and affordable supply of energy for our Nation,” reads Burgum’s “Unleashing American Energy” order.
“The Department will bring a renewed focus to growing baseload and dispatchable generation to reliably meet growing demand,”reads Wright’s first secretarial order.
Burgum’s orders are largely Interior-specific elaborations of Trump’s early round of executive orders. In “Addressing the National Energy Emergency,” Burgum echoes Trump’s executive order declaring — you guessed it — a national energy emergency, calling for the department to “identify the emergency authorities available to them, as well as all other legal authorities, to facilitate the identification, permitting, leasing, development, production, transportation, refining, distribution, exporting, and generation of domestic energy resources and critical minerals.” He also criticizes the Biden administration for having “driven our Nation into a national emergency, where a precariously inadequate and intermittent energy supply, and an increasingly unreliable grid, require swift and decisive action.”
In another order, “Unleashing American Energy,” which follows a similarly titled executive order, Burgum cites the Trump administration’s call for deregulation to allow more extraction of energy commodities and energy production: “By removing such regulations, America's natural resources can be unleashed to restore American prosperity. Our focus must be on advancing innovation to improve energy and critical minerals identification, permitting, leasing, development, production, transportation, refining, distribution, exporting, and generation capacity of the United States to provide a reliable, diversified, growing, and affordable supply of energy for our Nation.”
The order calls for the Interior department to examine a number of Biden-era guidelines and rules, including 2024’s public lands rule, formally known as Conservation and Landscape Health, which went into effect last June. The rule put landscape preservation on a similar plane to energy development, mining, logging, or grazing among uses for public lands, and was opposed by a number of interest groups, including the ranching and energy industries.
It’s not just public lands that will be more open to fossil fuel exploration and extraction, it’s also the seas. Burgum issued an order following on Trump’s attempt to roll back restrictions on offshore drilling, notifying the department that “all Biden [outer continental shelf] withdrawals of the OCS for oil and gas leasing have been revoked.”
Two other orders were primarily deregulatory. One implemented the Trump guideline that “for each new regulation that they propose to promulgate, they shall identify at least 10 existing Department regulations to be eliminated.” And the other followed on Trump’s order opening up Alaska to more mining and energy extraction, which, among other actions, revoked a 2021 order cancelling oil and gas leases in the Alaska National Wildfire Reserve and reinstated a Secretary’s Order issued by then-Interior Secretary Ryan Zinkein 2017 opening up Alaska for more oil activity, which itself reversed a 2013 order limiting oil and gas development.
While Burgum’s orders focus on the energy potential beneath the ground and the sea, Wright’s first secretarial order is a celebration of energy writ large, consistent with his often articulated views on the subject. “Energy is the essential ingredient that enables everything we do. A highly energized society can bring health, wealth, and opportunity for all,” he writes.
The document starts by talking down net-zero goals, saying that “net-zero policies raise energy costs for American families and businesses, threaten the reliability of our energy system, and undermine our energy and national security.”
“Going forward,” it says, “the Department’s goal will be to unleash the great abundance of American energy required to power modern life and to achieve a durable state of American energy dominance.”
In Wright’s version of the “energy emergency” order, he commits the department to “identify[ing] and exercise[ing] all lawful authorities to strengthen the nation’s grid, including the backbone of the grid, our transmission system,” in order to deal with the “current and anticipated load growth on our nation’s electric utilities.” He also says the department will focus on “baseload and dispatchable generation to reliably meet growing demand” — i.e. natural gas, along with some geothermal, hydropower, and nuclear.
In keeping with the president’s hostility or indifference toward the most widespread forms of renewable energy generation, Wright writes that the DOE will focus its substantial research and development efforts on “affordable, reliable, and secure energy technologies, including fossil fuels, advanced nuclear, geothermal, and hydropower,” and specifically calls out the Department’s fusion research for focus: “The Department must also prioritize true technological breakthroughs — such as nuclear fusion, high-performance computing, quantum computing.”
Wright refers to the energy department’s considerable research on renewables through its network of national laboratories only via implication, with an eye toward containing the funding demands of such work. “The Department will comprehensively review its R&D portfolio,” the order says. “As part of that review, the Department will rigorously enforce project milestones to ensure that taxpayer resources are allocated appropriately and cost-effectively consistent with the law.” Not mentioned at all was the department’s Loan Programs Office, which the Biden administration fortified by means of the Inflation Reduction Act. Bloomberg News reported that the department is looking to roll back some of the office’s loan guarantees to ensure that its funding awards “are consistent with President Trump’s executive orders and priorities.”
One area where there may be consistency between the Biden and Trump energy departments is in support for nuclear power.
Throughout the order, nuclear energy gets called out for praise and attention, while other forms of non-carbon-emitting energy go unmentioned. “The long-awaited American nuclear renaissance must launch during President Trump’s administration. As global energy demand continues to grow, America must lead the commercialization of affordable and abundant nuclear energy. As such, the Department will work diligently and creatively to enable the rapid deployment and export of next-generation nuclear technology,” Wright writes.
Like Burgum, Wright takes a dim view of Biden-era regulatory initiatives, committing the department to reviewing proposals for liquefied natural gas terminals and promising a “comprehensive review of the DOE Appliance Standards Program.” Scrapping or overhauling appliance efficiency rules, like other envisioned Trump policies, would also help bolster demand for energy writ large.
The orders, while consistent with Trump’s broad directives on energy policy, do not match the vitriol and dismissiveness towards renewables that Trump himself employs. But that may be cold comfort to climate advocates and renewables developers. In Burgum’s and Wright’s philosophy, renewables have been given pride of place in government policies, effectively holding down fossil fuel resources — and that is going to change.
In one order, Burgum directs the department to ensure that its policies do not “bias government or private-sector decision making in favor of renewable energy projects as compared to oil, gas, or other mineral resource projects.” And neither he nor Wright appears to see little role for the fastest growing sources of generation — solar — in American “energy dominance.”
That is also in keeping with what Trump has been doing to achieve his energy priorities, as opposed to what he’s been saying about “unleashing American energy.” During the chaotic first few weeks of this administration, federal officials do not appear to have been treating fossil fuel and renewables equally so much as they have been scrambling to comply with executive orders by obstructing renewable permitting and then reversing themselves (unless, of course, it’s offshore wind).
As Trump’s energy policy finds its feet, we’ll find out if energy dominance is really just fossil fuel dominance.