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Data Centers Drive Higher Forecasts for Electric Demand in Pennsylvania, Sparking Climate Worries – Inside Climate News

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Data Centers Drive Higher Forecasts for Electric Demand in Pennsylvania, Sparking Climate Worries – Inside Climate News


Three electric-transmission zones that are wholly or partly in Pennsylvania are expected to see sharp increases in power demand from current and new data centers in the next few years, according to a new forecast from the grid operator PJM, underscoring concerns that the centers may hinder decarbonization and exceed the grid’s ability to supply all the energy people need.

PPL, supplying a region that includes Harrisburg and Scranton, is expected to see its summer peak load demand jump more than 60 percent by 2030 to about 12,000 megawatts, from the 2025 level of just over 7,300 MW, according to the PJM data released in late January. 

The Allegheny Power Systems region, where FirstEnergy utilities serve parts of western and central Pennsylvania as well as portions of Maryland and West Virginia, is expected to see load rise to a peak of nearly 10,000 MW by 2030 from about 8,700 MW now. And ATSI, FirstEnergy’s transmission utility supplying parts of western Pennsylvania and Ohio, is forecast to increase its peak load demand to more than 14,400 MW by 2030 from about 12,800 MW now. 

In all three cases, PJM attributed its forecast to increased demand from data centers. Transmission zones in other parts of Pennsylvania are expected to show less growth in power demand.

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Across the 13-state PJM area, the load forecast is driven by the growth of data centers, manufacturing and the electrification of buildings and vehicles. By 2030, the summer peak load forecast is expected to be 9.5 percent higher than was forecast for that point just last year, accelerating to an increase of 16.9 percent by 2035.

“This forecast captures the dramatic increases in future energy demand, as evidenced by the last two years when data center development has grown exponentially,” said Aftab Khan, PJM’s executive vice president for operations, planning and security, in a statement. 

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In 2024, the electricity industry’s research nonprofit, EPRI, forecast annual growth rates in power demand by data centers of 3.7 to 15 percent between 2023 and 2030, and said data centers could consume up to 9 percent of U.S. electricity generation by 2030—about twice the current share. AI queries use about 10 times the amount of power used by regular internet searches, EPRI said.

Pennsylvania has just over 70 data centers, according to Data Center Map, a company that connects buyers and sellers of those services. That’s about twice the number reported in 2018 by the consultant eConsult on the economic impact of data centers in the state.

The state’s planned data centers include one in Upper Burrell, near Pittsburgh, where data center operator TECfusions announced the purchase of a shuttered office and industrial park covering 1,395 acres to meet growing demand for AI. The company plans to use natural gas to generate power on site, it said in January.

The growth fuels concerns among environmentalists that the extra electricity demanded will come mostly from fossil-fuel sources, chiefly natural gas, setting back efforts to reduce the greenhouse gas pollution damaging the climate and driving ever-more destructive disasters.

“People across the country are trying to square the benefits that technology can bring with the real and growing impacts on the environment and consumers,” said Ellie Kerns, climate and clean energy advocate with the PennEnvironment Research & Policy Center, in a statement. The group co-published a recent report on the environmental impacts of data-center growth. 

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The report, “Big Data Centers, Big Problems,” urged data center owners and regulators to use renewable energy to run the centers, maximize their energy efficiency and reduce their impact on the grid.

For Pennsylvania, the challenge is shown by PPL’s forecast that it will need an extra 5,000 MW for anticipated data-center growth in its territory by 2030. That’s roughly five times the total consumption in all of New Hampshire.

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Those figures come from a January presentation by Kimberly Barrow, vice chair of Pennsylvania’s Public Utility Commission, to the Citizens Advisory Council of the state’s Department of Environmental Protection. 

While surging power demand from data centers threatens to derail a shift away from fossil fuels, it may also be an opportunity if it stimulates renewed interest in nuclear power, a zero-emissions source, by the biggest operators of data centers, said Jackson Morris, director of state power-sector policy, climate and energy at the nonprofit Natural Resources Defense Council.

He cited Microsoft’s new agreement with Constellation Energy, owner of one of two nuclear reactors at Three Mile Island, Pennsylvania. The other reactor suffered a partial meltdown in 1979 in America’s worst nuclear power accident.

Constellation’s Unit 1, which was retired for economic reasons in 2019, now aims to restart in 2028, providing all its power to a new Microsoft data center. If such agreements between leading computing companies and power suppliers become more common, it could meet the big new demand for data-center power without slowing decarbonization or raising consumers’ electric bills, Morris argued.

But the proposed sale of a central-Pennsylvania data center to Amazon from Talen Energy, operator of an adjacent nuclear plant, shouldn’t happen because it would involve the temporary loss of a zero-emissions energy source to the grid, Morris said.

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“That’s an example of how not to go about this transition because if you cannibalize existing zero-emissions, whether it’s nukes or renewables, you’re actually digging a deeper carbon hole,” he said.

“It’s got to be clean, it’s got to be affordable and it’s got to be reliable.”

— Jackson Morris, Natural Resources Defense Council

The Federal Energy Regulatory Commission ruled against the plan in November 2024, but Talen Energy has asked for a rehearing.

Whatever energy sources are used to supply data centers, the sharply increased demand represents a major challenge to power companies and regulators, Morris said.

“We haven’t seen load-growth projections like we’re seeing now since post-Second World War when the economy was booming,” he said. “What do you do about it? How do you meet it in a way that does not blow through our climate targets, that does not saddle consumers with billions of dollars of upgrade costs to accommodate that load, and how do you do it and maintain reliability? It’s got to be clean, it’s got to be affordable and it’s got to be reliable.”

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But predictions that data centers will mean big new demand for electricity may be overblown, argued Sean O’Leary, senior analyst at the Ohio River Valley Institute, a think tank that monitors the economy of western Pennsylvania, West Virginia and Ohio. O’Leary argues that PJM and other forecasters have often overstated anticipated demand growth, and that’s especially dangerous when power produced from natural gas, a fossil fuel, would be used to fill most of a perceived power shortage.

Those arguments got a boost in January with the release of a new model from DeepSeek, a Chinese artificial intelligence startup, which showed that it uses less energy than other AI apps, implying that data centers may not, after all, use as much energy as predicted by PJM and other forecasters.

The release hurt the stocks of U.S.-based AI giant Nvidia as well as energy companies with a Pennsylvania presence, including Constellation and natural gas producer EQT.

If demand does rise, so would prices. But that may provide a strong incentive for some businesses to come up with solutions.

“Rising prices, such as those that would have resulted from the immense increases in demand that were being forecasted, create business opportunities for hardware, software and platforms that offer improved efficiency and, therefore, reduce demand,” O’Leary said.

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Pennsylvania

Federal government sues Pennsylvania, others over SNAP data

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Federal government sues Pennsylvania, others over SNAP data


(WHTM) — Pennsylvania is one of four states facing a lawsuit from the federal government over SNAP applicant data.

The U.S. Department of Justice filed suit against Pennsylvania, Kentucky, Michigan, and Minnesota. They are seeking the last five years of SNAP applicant data in the respective states.

The DOJ alleges that the four states refused to turn over data to the U.S. Department of Agriculture “so that USDA could ensure that states are properly administering and enforcing their determinations of residents’ eligibility.”

“The American people deserve a government that is transparent about how it spends their hard-earned tax dollars,” said Acting Attorney General Todd Blanche. “These four states are thwarting USDA’s efforts to ensure that the billions of dollars in SNAP benefits they distribute every year are not lost to fraud.”

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“Stopping the rampant theft of taxpayer money demands a whole-of-government response, including strong participation at the state level,” said Assistant Attorney General Colin M. McDonald of the Justice Department’s National Fraud Enforcement Division. “These states are happy to take hundreds of millions of federal tax dollars—much of which is exploited by fraudsters—but want zero transparency over how those tax dollars are spent.”

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The Department of Justice said 28 states promptly provided data and such indicated “there are billions of dollars per year in SNAP funds going to overpayments and fraud.”

The USDA has been seeking data for the past year or so, leading to a legal battle over concerns about how the data would be used.



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Pennsylvania

House Republicans stall activity, Pennsylvania Rep. Meuser calls tactics ‘foolish’ | Fox Business Video

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House Republicans stall activity, Pennsylvania Rep. Meuser calls tactics ‘foolish’ | Fox Business Video


House Speaker Mike Johnson sent representatives home early as hardline Republicans stalled floor activities, demanding action on the SAVE America Act. President Donald Trump posted on Truth Social, urging House Republicans to unify and avoid giving power to Democrats. Rep. Dan Meuser (R-PA) labels the stalling tactics ‘foolish,’ emphasizing the need for legislative progress and appropriations.



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Measles detected in two more counties in Pennsylvania as health department recommends early vaccination

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Measles detected in two more counties in Pennsylvania as health department recommends early vaccination


Pennsylvania health officials have now detected measles cases in York and Northumberland Counties as cases in Lancaster County, the center of an ongoing outbreak, continued to rise.

And the state health department is now recommending early measles vaccinations for infants beginning at 6 months in affected areas in an effort to protect them against the spread of the highly contagious disease, which is particularly risky for young children. The same precautions should be taken by families with infants traveling to these areas.

Six Pennsylvania counties have now seen measles cases since an outbreak was first confirmed in Lebanon County in April. In all, the state has reported 81 measles cases across eight counties in 2026, more than five times the cases reported in 2025.

State health officials said it was too early to tell how the latest cases in York and Northumberland Counties are connected to others in the region, but that contact tracing investigations are continuing. All cases were among people who had not received at least two doses of the measles, mumps, and rubella (MMR) or whose vaccination status was unclear.

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As of Wednesday, six cases had been confirmed in Northumberland County, to the north of Dauphin County, and one case had been detected in York County, along Lancaster’s western border.

Lebanon County has reported 20 cases and Dauphin and Berks Counties have reported two cases each.

Lancaster County has seen 38 cases of measles since late April, with health officials confirming seven cases in the last two weeks. The area was at the center of a prior measles outbreak in January, when state health officials confirmed eight cases in Lancaster County and an additional four between Chester and Montgomery Counties.

Vaccination rates among kindergarteners have decreased across Pennsylvania in recent years, and some counties affected in the current outbreak have particularly low rates, including Lancaster, where about 88.5% of kindergarten students are vaccinated. Health experts say that 95% of a community must be vaccinated to prevent the spread of the disease.

Health officials have been conducting contact tracing to detect as many cases as possible. In the current outbreak, they have twice warned Lancaster residents that they could have been exposed to measles.

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Shoppers and employees at a local Kohl’s were potentially exposed to the virus over four days after a staffer tested positive in late May, LancasterOnline reported. And a person with measles visited the Lancaster County Courthouse on June 3.

But doctors in Lancaster County say they fear some measles cases are going unreported, either because patients don’t understand the importance of tracking measles cases or because they fear repercussions.

No cases have been confirmed in the Philadelphia region during this outbreak. But Delaware County health officials said last week that they had detected measles in two wastewater samples, indicating that someone with measles had used a bathroom connected to the county’s public water supply. It was unclear if that person lived in the county or was passing through.

Early vaccination recommended

On Wednesday, a statewide health alert urged physicians to accelerate vaccination schedules to protect children against measles. Officials had said they were considering the measure earlier this month as cases continued to rise.

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Measles can infect nine in 10 unvaccinated people who are exposed to it, and can linger in the air for up to two hours and incubate in patients for three weeks. The disease typically presents with a fever and a rash but can cause brain inflammation and pneumonia in serious cases.

Typically, children receive the first of two MMR vaccines at 1 year old, then a second between 4 and 6 years old.

But children as young as 6 months can receive an additional “dose zero” to protect them from the disease amid an outbreak. In its alert, the state health department said parents should vaccinate infants between 6 and 11 months with the “dose zero” if they live in affected areas or if they’re planning to travel there.

Those children should then receive additional MMR doses at 12 to 15 months and 4 to 6 years.

This “dose zero” is less effective than doses given at 1 year old, officials cautioned. But it’s 58% effective against measles when given at 6 to 8 months, and 83% effective when administered at 9 to 11 months.

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“Early MMR vaccination is safe and provides modest protection when measles is spreading,” officials wrote in the alert.

Children older than 12 months who haven’t been vaccinated should get an MMR dose immediately, and a second 28 days later, health officials said. Unvaccinated adults, or those without evidence of immunity, should also get two MMR doses.

And anyone who has received one dose of the MMR vaccine in the past should get a second at least 28 days after their first, officials said.

Usually, children who received a first dose at around 12 months wait to get their second dose until they’re 4 to 6 years old. But in an outbreak situation, those children should get their second doses early — at least 28 days after their first shot.

Adults born before 1957 are typically considered immune, but healthcare workers in that age group who don’t have lab evidence of immunity or prior infection should consider getting vaccinated, state officials said.

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Adults who received an inactivated measles vaccine between 1963 and 1967 are considered unvaccinated during an outbreak, and should also get two doses of the current MMR vaccine.

Pregnant people, people with severely weakened immune systems, and people who have a history of experiencing severe allergic reactions, like anaphylaxis, to a vaccine ingredient or to a previous dose of MMR cannot receive the vaccine.



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