With so much demand, carmakers have little reason to target budget-minded buyers. Economy car stalwarts like Toyota and Honda are not yet selling significant numbers of all-electric models in the United States. Scarcity has been good for Ford, Mercedes-Benz and other carmakers that are selling fewer cars than before the pandemic but recording fat profits.

Automakers are “not giving any more discounts because demand is higher than the supply,” said Axel Schmidt, a senior managing director at Accenture who oversees the consulting firm’s automotive division. “The general trend currently is no one is interested in low prices.”

Advertised prices for electric vehicles tend to start around $40,000, not including a federal tax credit of $7,500. Good luck finding an electric car at that semi-affordable price.

Ford has stopped taking orders for Lightning electric pickups, with an advertised starting price of about $40,000, because it can’t make them fast enough. Hyundai advertises that its electric Ioniq 5 starts at about $40,000. But the cheapest models available from dealers in the New York area, based on a search of the company’s website, were around $49,000 before taxes.

Tesla’s Model 3, which the company began producing in 2017, was supposed to be an electric car for average folks, with a base price of $35,000. But Tesla has since raised the price for the cheapest version to $47,000.

pass the House, would give buyers of used cars a tax credit of up to $4,000. The used-car market is twice the size of the new-car market and is where most people get their rides.

But the tax credit for used cars would apply only to those sold for $25,000 or less. Less than 20 percent of used electric vehicles fit that category, said Scott Case, chief executive of Recurrent, a research firm focused on the used-vehicle market.

The supply of secondhand vehicles will grow over time, Mr. Case said. He noted that the Model 3, which has sold more than any other electric car, became widely available only in 2018. New-car buyers typically keep their vehicles three or four years before trading them in.

SAIC’s MG unit sells an electric S.U.V. in Europe for about $31,000 before incentives.

New battery designs offer hope for cheaper electric cars but will take years to appear in lower-priced models. Predictably, next-generation batteries that charge faster and go farther are likely to appear first in luxury cars, like those from Porsche and Mercedes.

Companies working on these advanced technologies argue that they will ultimately reduce costs for everyone by packing more energy into smaller packages. A smaller battery saves weight and cuts the cost of cooling systems, brakes and other components because they can be designed for a lighter car.

You can actually decrease everything else,” said Justin Mirro, chief executive of Kensington Capital Acquisition, which helped the battery maker QuantumScape go public and is preparing a stock market listing for the fledgling battery maker Amprius Technologies. “It just has this multiplier effect.”

$45 million in grants to firms or researchers working on batteries that, among other things, would last longer, to create a bigger supply of used vehicles.

“We also need cheaper batteries, and batteries that charge faster and work better in the winter,” said Halle Cheeseman, a program director who focuses on batteries at the Advanced Research Projects Agency-Energy, part of the Department of Energy.

Gene Berdichevsky, chief executive of Sila Nanotechnologies, a California company working on next-generation battery technology, argues that prices are following a curve like the one solar cells did. Prices for solar panels ticked up when demand began to take off, but soon resumed a steady decline.

The first car to use Sila’s technology will be a Mercedes luxury S.U.V. But Mr. Berdichevsky said: “I’m not in this to make toys for the rich. I’m here to make all cars go electric.” 

A few manufacturers offer cars aimed at the less wealthy. A Chevrolet Bolt, a utilitarian hatchback, lists for $25,600 before incentives. Volkswagen said this month that the entry-level version of its 2023 ID.4 electric sport utility vehicle, which the German carmaker has begun manufacturing at its factory in Chattanooga, Tenn., will start at $37,500, or around $30,000 if it qualifies for the federal tax credit.

Then there is the Wuling Hongguang Mini EV, produced in China by a joint venture of General Motors and the Chinese automakers SAIC and Wuling. The car reportedly outsells the Tesla Model 3 in China. While the $4,500 price tag is unbeatable, it is unlikely that many Americans would buy a car with a top speed of barely 60 miles per hour and a range slightly over 100 miles. There is no sign that the car will be exported to the United States.

Eventually, Ms. Bailo of the Center for Automotive Research said, carmakers will run out of well-heeled buyers and aim at the other 95 percent.

“They listen to their customers,” she said. “Eventually that demand from high-income earners is going to abate.”

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The Fight Over Truth Also Has a Red State, Blue State Divide

To fight disinformation, California lawmakers are advancing a bill that would force social media companies to divulge their process for removing false, hateful or extremist material from their platforms. Texas lawmakers, by contrast, want to ban the largest of the companies — Facebook, Twitter and YouTube — from removing posts because of political points of view.

In Washington, the state attorney general persuaded a court to fine a nonprofit and its lawyer $28,000 for filing a baseless legal challenge to the 2020 governor’s race. In Alabama, lawmakers want to allow people to seek financial damages from social media platforms that shut down their accounts for having posted false content.

In the absence of significant action on disinformation at the federal level, officials in state after state are taking aim at the sources of disinformation and the platforms that propagate them — only they are doing so from starkly divergent ideological positions. In this deeply polarized era, even the fight for truth breaks along partisan lines.

a nation increasingly divided over a variety of issues — including abortion, guns, the environment — and along geographic lines.

a similar law in Florida that would have fined social media companies as much as $250,000 a day if they blocked political candidates from their platforms, which have become essential tools of modern campaigning. Other states with Republican-controlled legislatures have proposed similar measures, including Alabama, Mississippi, South Carolina, West Virginia, Ohio, Indiana, Iowa and Alaska.

Alabama’s attorney general, Steve Marshall, has created an online portal through which residents can complain that their access to social media has been restricted: alabamaag.gov/Censored. In a written response to questions, he said that social media platforms stepped up efforts to restrict content during the pandemic and the presidential election of 2020.

“During this period (and continuing to present day), social media platforms abandoned all pretense of promoting free speech — a principle on which they sold themselves to users — and openly and arrogantly proclaimed themselves the Ministry of Truth,” he wrote. “Suddenly, any viewpoint that deviated in the slightest from the prevailing orthodoxy was censored.”

Much of the activity on the state level today has been animated by the fraudulent assertion that Mr. Trump, and not President Biden, won the 2020 presidential election. Although disproved repeatedly, the claim has been cited by Republicans to introduce dozens of bills that would clamp down on absentee or mail-in voting in the states they control.

memoirist and Republican nominee for Senate, railed against social media giants, saying they stifled news about the foreign business dealings of Hunter Biden, the president’s son.

massacre at a supermarket in Buffalo in May.

Connecticut plans to spend nearly $2 million on marketing to share factual information about voting and to create a position for an expert to root out misinformation narratives about voting before they go viral. A similar effort to create a disinformation board at the Department of Homeland Security provoked a political fury before its work was suspended in May pending an internal review.

In California, the State Senate is moving forward with legislation that would require social media companies to disclose their policies regarding hate speech, disinformation, extremism, harassment and foreign political interference. (The legislation would not compel them to restrict content.) Another bill would allow civil lawsuits against large social media platforms like TikTok and Meta’s Facebook and Instagram if their products were proven to have addicted children.

“All of these different challenges that we’re facing have a common thread, and the common thread is the power of social media to amplify really problematic content,” said Assemblyman Jesse Gabriel of California, a Democrat, who sponsored the legislation to require greater transparency from social media platforms. “That has significant consequences both online and in physical spaces.”

It seems unlikely that the flurry of legislative activity will have a significant impact before this fall’s elections; social media companies will have no single response acceptable to both sides when accusations of disinformation inevitably arise.

“Any election cycle brings intense new content challenges for platforms, but the November midterms seem likely to be particularly explosive,” said Matt Perault, a director of the Center on Technology Policy at the University of North Carolina. “With abortion, guns, democratic participation at the forefront of voters’ minds, platforms will face intense challenges in moderating speech. It’s likely that neither side will be satisfied by the decisions platforms make.”

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Payment Data Could Become Evidence of Abortion, Now Illegal in Some States

Digital payments are the default for millions of women of childbearing age. So what will their credit and debit card issuers and financial app providers do when prosecutors seek their transaction data during abortion investigations?

It’s a hypothetical question that’s almost certainly an inevitable one in the wake of the overturning of Roe v. Wade last week. Now that abortion is illegal in several states, criminal investigators will soon begin their hunt for evidence to prosecute those they say violated the law.

Medical records are likely to be the most definitive proof of what now is a crime, but officials who cannot get those may look for evidence elsewhere. The payment trail is likely to be a high priority.

HIPAA — which governs the privacy of a patient’s health records — permits medical and billing records to be released in response to a warrant or subpoena.

“There is a very broad exception to the HIPAA protections for law enforcement,” said Marcy Wilder, a partner and co-head of the global privacy and cybersecurity practice at Hogan Lovells, a law firm. But Ms. Wilder added that the information shared with law enforcement officials could not be overly broad or unrelated to the request. “That is why it matters how companies and health plans are interpreting this.”

Card issuers and networks like Visa and Mastercard generally do not have itemized lists of everything that people pay for when they shop for prescription drugs or other medications online, or when they purchase services at health care providers. But evidence of patronage of, say, a pharmacy that sells only abortion pills could give someone away.

a new state law authorizes residents to file lawsuits against anyone who helped facilitate an abortion.

“With the ruling only coming down late last week, it’s premature to understand the full impact at the state level,” Brad Russell, a USAA spokesman, said via email. “However, USAA will always comply with all applicable laws.”

American Airlines Credit Union, Bank of America, Capital One, Discover, Goldman Sachs, Prosperity Bank USA, Navy Federal Credit Union, US Bank, University of Wisconsin Credit Union, Wells Fargo and Western Union did not return at least two messages seeking comment.

American Express, Bank of America, Goldman Sachs, JPMorgan and Wells Fargo have all announced their intentions to reimburse employees for expenses if they travel to other states for abortions. So far, none have commented about how they would respond to a subpoena seeking the transaction records of the very employees who would be eligible for employer reimbursement.

Amie Stepanovich, vice president of U.S. policy at the Future of Privacy Forum, a nonprofit focused on data privacy and protection, said warrants and subpoenas can be accompanied by gag orders, which can prevent companies from even alerting their customers that they’re being investigated.

“They can choose to battle the use of gag orders in court,” she said. “Sometimes they win, sometimes they don’t.”

In other instances, prosecutors may not say exactly what they’re investigating when they ask for transaction records. In that case, it’s up to the financial institution to request more information or try to figure it out on its own.

Paying for abortion services with cash is one possible way to avoid detection, even if it isn’t possible for people ordering pills online. Many abortion funds pay on behalf of people who need financial help.

But cash and electronic transfers of money are not entirely foolproof.

“Even if you are paying with cash, the amount of residual information that can be used to reveal health status and pregnancy status is fairly significant,” said Ms. Stepanovich, referring to potential bread crumbs such as the use of a retailer’s loyalty program or location tracking on a mobile phone when making a cash purchase.

In some cases, users may inadvertently give up sensitive information themselves through apps that track and share their financial behavior.

“The purchase of a pregnancy test on an app where financial history is public is probably the biggest red flag,” Ms. Stepanovich said.

Other advocates mentioned the possibility of using prepaid cards in fixed amounts, like the kinds that people can buy off a rack in a drugstore. Cryptocurrency, they added, usually does leave enough of a trail that achieving anonymity is challenging.

One thing that every expert emphasized is the lack of certainty. But there is an emerging gut feeling that corporations will be in the spotlight at least as much as judges.

“Now, these payment companies are going to be front and center in the fight,” Ms. Caraballo said.

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Crypto Industry Helps Write, and Pass, Its Own Agenda in State Capitols

In July, the state ordered a dozen A.T.M. providers that sell crypto in exchange for cash — including Cash Cloud, Coin Now and DigiCash — to register as money transmitters, despite appeals from the companies, documents obtained by The Times show.

Last year, Mr. Aloupis introduced the bill to exempt two-party crypto transactions, after lobbying appeals by Mr. Armes and a trade group he leads, the Florida Blockchain Business Association. (Its members include Binance, the large crypto exchange.) The bill failed to win Senate approval, and it was reintroduced for this year’s session.

Russell Weigel, the Florida commissioner of the Office of Financial Regulation, said he endorsed the legislation that Mr. Armes had championed.

“If I go and buy groceries at your food store, that’s a two-party transaction,” Mr. Weigel said. “Do I need a license for that? It seems absurd.”

Lobbyists for Blockchain.com, a cryptocurrency exchange that moved last year from New York to Miami, and Bit5ive, which manufactures crypto mining equipment in the Florida area, joined the effort, contacting dozens of state lawmakers.

“They are very pro crypto,” Robert Collazo, the Bit5ive chief executive, said of Florida lawmakers.

In the future, the company plans to raise money for crypto-friendly legislators in Florida, said Michael Kesti, Bit5ive’s lobbyist. The legislative affairs director of the Florida blockchain association, Jason Holloway, is already running for the State House, with donations — some in cryptocurrency — from Mr. Armes and others.

“I don’t want it to seem like we are paying for the influence,” Mr. Kesti said. “But we do want to support them.”

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Biden’s Covid Vaccine Mandate Reinstated for Large Businesses

But Judge Joan L. Larsen, a Trump appointee, dissented, arguing — as had the Fifth Circuit panel before her — that the agency had exceeded its legal authority.

“The mandate is aimed directly at protecting the unvaccinated from their own choices,” Judge Larsen wrote. “Vaccines are freely available, and unvaccinated people may choose to protect themselves at any time. And because the secretary likely lacks congressional authority to force them to protect themselves, the remaining stay factors cannot tip the balance.”

All of the judges on the Fifth Circuit panel that had blocked the rule were conservative Republican appointees.

Challengers to the decision could appeal directly to the Supreme Court, which is controlled by a conservative bloc of six Republican appointees. (The Supreme Court this month refused to block New York’s requirement that health care workers be vaccinated against the coronavirus even when they cite religious objections.)

Challengers could also appeal to the full U.S. Court of Appeals for the Sixth Circuit. Of its 16 sitting judges, five were appointed by Democrats and 11 were appointed by Republicans. (However, one of the Republican appointees, Judge Helene N. White, was originally a nominee of a Democratic president, Bill Clinton, before being renominated by a Republican one, George W. Bush, as part of a political deal.)

Conditions on the ground are rapidly changing, with new cases surging, apparently because of the more-infectious Omicron variant. The Justice Department last month warned that keeping the mandate from coming into effect “would likely cost dozens or even hundreds of lives per day, in addition to large numbers of hospitalizations, other serious health effects and tremendous costs.”

The OSHA rule, alongside a separate requirement for federal contractors, has helped drive a number of large companies to announce a form of vaccine mandate, including Procter & Gamble, IBM and American Airlines. Others, like Tyson Foods and Google, introduced mandates on their own, in the face of the rising risk of the Delta variant.

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The Achilles’ Heel of Biden’s Climate Plan? Coal Miners.

All of that has raised the stakes for courting coal miners.

“Our guiding principle is the belief that we don’t have to choose between good jobs and a clean environment,” said Jason Walsh, the executive director of the BlueGreen Alliance, which has united labor and environmental groups to marshal support for initiatives like Mr. Biden’s. “But our ability to continue to articulate that belief with a straight face depends on the policy choices we make.”

“Coal miners,” he added, “are at the center of that.”

It is impossible to explain mine workers’ jaundiced view of Mr. Biden’s agenda without appreciating their heightened economic vulnerability: Unlike the carpenters and electricians who work at power plants but could apply their skills to renewable-energy projects, many miners are unlikely to find jobs on wind and solar farms that resemble their current work. (Some, like equipment operators, have more transferable skills.)

It is also difficult to overstate the political gamesmanship that has shaped the discourse on miners. In her 2016 presidential campaign, Hillary Clinton proposed spending $30 billion on economic aid for coal country. But a verbal miscue — “We’re going to put a lot of coal miners and coal companies out of business,” she said while discussing her proposal at a town hall — allowed opponents to portray her as waging a “war on coal.”

“It is a politicized situation in which one political party that’s increasingly captured by industry benefits from the status quo by perpetuating this rhetoric,” said Matto Mildenberger, a political scientist at the University of California, Santa Barbara, who studies the politics of climate policy.

And then there is Mr. Manchin, a complicated political figure who is among the Senate’s leading recipients of campaign money from the fossil fuel industry.

Mr. Manchin has sometimes resisted provisions favored by the miners’ union, such as wage-replacement payments to coal workers who must accept a lower-paying job. “At the end of the day, it wasn’t something he was interested in doing,” said Mr. Smith, the union’s lobbyist. A spokeswoman for Mr. Manchin declined to comment.

Yet in other ways Mr. Manchin has channeled his constituents’ feelings well, suggesting that he might be more enthusiastic about renewable-energy legislation if they were.

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After Trumka’s Death, A.F.L.-C.I.O. Faces a Crossroads

Richard Trumka’s 12 years as A.F.L.-C.I.O. president coincided with the continued decline of organized labor but also moments of opportunity, like the election of a devoutly pro-labor U.S. president. With Mr. Trumka’s death last week, the federation faces a fundamental question: What is the A.F.L.-C.I.O.’s purpose?

For years, top union officials and senior staff members have split into two broad camps on this question. On one side are those who argue that the A.F.L.-C.I.O., which has about 12 million members, should play a supporting role for its constituent unions — that it should help build a consensus around policy and political priorities, lobby for them in Washington, provide research and communications support, and identify the best ways to organize and bargain.

On the other side of the debate are those who contend that the federation should play a leading role in building the labor movement — by investing resources in organizing more workers; by gaining a foothold in new sectors of the economy; by funding nontraditional worker organizations, like those representing undocumented workers; and by forging deeper alliances with other progressive groups, like those promoting civil rights causes.

As president, Mr. Trumka identified more with the first approach, which several current and former union officials said had merit, particularly in light of his close ties to President Biden. Liz Shuler, who has served as acting president since Mr. Trumka’s death and hopes to succeed him, is said to have a similar orientation.

documents obtained by the website Splinter.

Ms. Shuler said in an interview on Friday that the department’s budget did not reflect other resources that go toward organizing, like the millions of dollars that the A.F.L.-C.I.O. sends to state labor federations and local labor councils, which can play an important role in organizing campaigns.

Although the rate of union membership fell by about 1.5 percentage points during Mr. Trumka’s tenure to under 11 percent, his influence in Washington helped lead to several accomplishments. Among them were a more worker-friendly revision of the North American Free Trade Agreement, tens of billions of dollars in federal aid to stabilize union pension plans and a job-creating infrastructure bill now moving through Congress.

sent hundreds of billions of dollars in aid to state and local governments, which public sector unions, increasingly the face of the labor movement, considered a lifeline.

But the cornerstone of Mr. Trumka’s plan to revive labor was a bill still awaiting enactment: the Protecting the Right to Organize Act, or PRO Act. The legislation would make unionizing easier by forbidding employers from requiring workers to attend anti-union meetings and would create financial penalties for employers that flout labor law. The federation invested heavily in helping to elect public officials who could help pass the measure.

During an interview with The New York Times in March, Mr. Trumka characterized the PRO Act as, in effect, labor’s last best hope. Because of growing inequality, our economy is on a trajectory to implosion,” he said. “We have to have a way for workers to have more power and employers to have less. And the best way do that is to have the PRO Act.”

Ms. Shuler echoed that point, arguing that labor will be primed for a resurgence if the measure becomes law. “We have everything in alignment,” she said. “The only thing left is the PRO Act to unleash what I would say is the potential for unprecedented organizing.”

But so far, placing most of labor’s hopes on a piece of legislation strongly opposed by Republicans and the business community has proved to be a dubious bet. While the House passed the bill in March and Mr. Biden strongly supports it, the odds are long in a divided Senate.

When asked whether the A.F.L.-C.I.O. could support Mr. Biden’s multitrillion-dollar jobs plan if it came to a vote with no prospect of passing the PRO Act as well, Mr. Trumka refused to entertain the possibility that he would have to make such a decision.

video game industry and other technology sectors.

Such funding can help support workers who want to help organize colleagues in their spare time, as well as a small cadre of professionals to assist them. “You have 100 people who you pay $25,000 per year, and 15 people full time, and the people can build something where they live,” Mr. Cohen said.

Stewart Acuff, the A.F.L.-C.I.O.’s organizing director from 2002 to 2008 and then a special assistant to its president, said the federation’s role in organizing should include more than just directly funding those efforts. He said it was essential to make adding members a higher priority for all of organized labor, as he sought to do under Mr. Trumka’s predecessor.

“We were challenging every level of the labor movement to spend 30 percent of their resources on growth,” said Mr. Acuff, who has criticized the direction of the federation under Mr. Trumka. “That didn’t just mean organizers. It meant using access to every point of leverage,” like pressuring companies to be more accepting of unions.

Mr. Acuff also said that the A.F.L.-C.I.O. must be more willing to place long bets on organizing workers that may not pay off with more members in the short term, but that help build power and leverage for workers.

succeeded in many ways even though it has produced few if any new union members. The A.F.L.-C.I.O. has supported the Fight for $15 but not provided direct financial backing.

Mr. Cohen and Mr. Acuff both cited the importance of building long-term alliances with outside groups — like those championing civil rights or immigrant rights or environmental causes — which can increase labor’s power to demand, say, that an employer stand down during a union campaign.

speech he made in Ferguson, Mo., after a young Black man, Michael Brown, was shot to death by a police officer there in 2014.

But Mr. Trumka faced a backlash on this front from more conservative unions, who believed the proper role of the A.F.L.-C.I.O. was to focus on economic issues affecting members rather than questions like civil rights.

“There were some unions — not just the building trades — who felt like that work was not what we should be focusing on,” Carmen Berkley, a former director of the A.F.L.-C.I.O.’s Civil, Human and Women’s Rights Department, said in an interview last year.

argued for diverting much of the tens of millions of dollars the labor movement spends on political activities to help more workers unionize.

But Ms. Shuler insists that deciding between investing in organizing and the federation’s other priorities is a false choice.

“I don’t think that they are mutually exclusive,” she said. “The way modern organizations work, you no longer have heavy institutional budgets that are full of line items. We organize around action. We identify a target where there’s heat.” Then, she said, the organizations raise money and get things done.

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More Power Lines or Rooftop Solar Panels: The Fight Over Energy’s Future

The nation is facing once in a generation choices about how energy ought to be delivered to homes, businesses and electric cars — decisions that could shape the course of climate change and determine how the United States copes with wildfires, heat waves and other extreme weather linked to global warming.

On one side, large electric utilities and President Biden want to build thousands of miles of power lines to move electricity created by distant wind turbines and solar farms to cities and suburbs. On the other, some environmental organizations and community groups are pushing for greater investment in rooftop solar panels, batteries and local wind turbines.

There is an intense policy struggle taking place in Washington and state capitals about the choices that lawmakers, energy businesses and individuals make in the next few years, which could lock in an energy system that lasts for decades. The divide between those who want more power lines and those calling for a more decentralized energy system has split the renewable energy industry and the environmental movement. And it has created partnerships of convenience between fossil fuel companies and local groups fighting power lines.

At issue is how quickly the country can move to cleaner energy and how much electricity rates will increase.

senators from both parties agreed to in June. That deal includes the creation of a Grid Development Authority to speed up approvals for transmission lines.

Most energy experts agree that the United States must improve its aging electric grids, especially after millions of Texans spent days freezing this winter when the state’s electricity system faltered.

“The choices we make today will set us on a path that, if history is a barometer, could last for 50 to 100 years,” said Amy Myers Jaffe, managing director of the Climate Policy Lab at Tufts University. “At stake is literally the health and economic well-being of every American.”

The option supported by Mr. Biden and some large energy companies would replace coal and natural gas power plants with large wind and solar farms hundreds of miles from cities, requiring lots of new power lines. Such integration would strengthen the control that the utility industry and Wall Street have over the grid.

batteries installed at homes, businesses and municipal buildings.

Those batteries kicked in up to 6 percent of the state grid’s power supply during the crisis, helping to make up for idled natural gas and nuclear power plants. Rooftop solar panels generated an additional 4 percent of the state’s electricity.

become more common in recent years.

Some environmentalists argue that greater use of rooftop solar and batteries is becoming more essential because of climate change.

After its gear ignited several large wildfires, Pacific Gas & Electric began shutting off power on hot and windy days to prevent fires. The company emerged from bankruptcy last year after amassing $30 billion in liabilities for wildfires caused by its equipment, including transmission lines.

Elizabeth Ellenburg, an 87-year-old cancer survivor in Napa, Calif., bought solar panels and a battery from Sunrun in 2019 to keep her refrigerator, oxygen equipment and appliances running during PG&E’s power shut-offs, a plan that she said has worked well.

“Usually, when PG&E goes out it’s not 24 hours — it’s days,” said Ms. Ellenburg, a retired nurse. “I need to have the ability to use medical equipment. To live in my own home, I needed power other than the power company.”

working to improve its equipment. “Our focus is to make both our distribution and transmission system more resilient and fireproof,” said Sumeet Singh, PG&E’s chief risk officer.

But spending on fire prevention by California utilities has raised electricity rates, and consumer groups say building more power lines will drive them even higher.

Average residential electricity rates nationally have increased by about 14 percent over the last decade even though average household energy use rose just over 1 percent.

2019 report by the National Renewable Energy Laboratory, a research arm of the Energy Department, found that greater use of rooftop solar can reduce the need for new transmission lines, displace expensive power plants and save the energy that is lost when electricity is moved long distances. The study also found that rooftop systems can put pressure on utilities to improve or expand neighborhood wires and equipment.

Texas was paralyzed for more than four days by a deep freeze that shut down power plants and disabled natural gas pipelines. People used cars and grills and even burned furniture to keep warm; at least 150 died.

One reason for the failure was that the state has kept the grid managed by the Electric Reliability Council of Texas largely disconnected from the rest of the country to avoid federal oversight. That prevented the state from importing power and makes Texas a case for the interconnected power system that Mr. Biden wants.

Consider Marfa, an artsy town in the Chihuahuan Desert. Residents struggled to stay warm as the ground was blanketed with snow and freezing rain. Yet 75 miles to the west, the lights were on in Van Horn, Texas. That town is served by El Paso Electric, a utility attached to the Western Electricity Coordinating Council, a grid that ties together 14 states, two Canadian provinces and a Mexican state.

$1.4 million, compared with about $1 million to Donald J. Trump, according to the Center for Responsive Politics.

In Washington, developers of large solar and wind projects are pushing for a more connected grid while utilities want more federal funding for new transmission lines. Advocates for rooftop solar panels and batteries are lobbying Congress for more federal incentives.

Separately, there are pitched battles going on in state capitals over how much utilities must pay homeowners for the electricity generated by rooftop solar panels. Utilities in California, Florida and elsewhere want lawmakers to reduce those rates. Homeowners with solar panels and renewable energy groups are fighting those efforts.

Despite Mr. Biden’s support, the utility industry could struggle to add power lines.

Many Americans resist transmission lines for aesthetic and environmental reasons. Powerful economic interests are also at play. In Maine, for instance, a campaign is underway to stop a 145-mile line that will bring hydroelectric power from Quebec to Massachusetts.

New England has phased out coal but still uses natural gas. Lawmakers are hoping to change that with the help of the $1 billion line, called the New England Clean Energy Connect.

This spring, workmen cleared trees and installed steel poles in the forests of western Maine. First proposed a decade ago, the project was supposed to cut through New Hampshire until the state rejected it. Federal and state regulators have signed off on the Maine route, which is sponsored by Central Maine Power and HydroQuebec.

But the project is mired in lawsuits, and Maine residents could block it through a November ballot measure.

set a record in May, and some scientists believe recent heat waves were made worse by climate change.

“Transmission projects take upward of 10 years from conception to completion,” said Douglas D. Giuffre, a power expert at IHS Markit. “So if we’re looking at decarbonization of the power sector by 2035, then this all needs to happen very rapidly.”

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