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Thursday, December 25, 2025

Natural Gas Poised for Buildout in the U.S.: Power Plants, Pipelines, and Underground Storage Projects Needed to Meet Demand: Is Delaying High-Polluting Peaking Unit Retirements Fair to Those Exposed?


     With soaring projected electricity demand for the first time in decades, expanding LNG exports, growing demand projections for industry, steady demand for heating, and more growth as a share of power grids, natural gas is also poised for a strong infrastructure buildout. This has been well underway through 2025 and before. Statista reports that there were 25 natural gas pipeline projects under construction as of July 2025, and 57 natural gas pipeline projects in the pre-construction phase.

     For natural gas, the U.S. has an adequate supply. We can maintain and probably increase our output over the next decade or two, but most of our fields either are plateauing in production, will peak soon, or are in decline. They won’t last forever. U.S. natural gas output is expected to increase by 15-25% by 2030 as LNG exports double from 2024 levels and power demand continues to increase.

 

Gas Storage Projects

     Since data centers require high levels of reliability of service, there are risks to relying only on pipelines for gas storage. An article in Fortune by Jordan Blum notes that there have been few to no gas storage facilities built in the past decade or so. He does cite one project, Gulf Coast Midstream Partners’ major salt cavern gas storage project near Houston, slated to come online by the end of 2030. Inadequate storage may affect consumer prices.




Electricity and gas heating costs already are on the rise because of higher gas demand, and the lack of storage is expected to add to the volatility and rising utility bills going forward, according to energy analysts and developers.”

     He notes that Enbridge is leading in gas storage projects through expanding its salt cavern storage in Texas and Louisiana. Storage is expected to be an important part of creating a data center distribution grid.

Energy analyst Jack Weixel, of East Daley Analytics, said there around more than a dozen gas storage projects underway—with a couple recently completed—but some will fall short of the necessary financing to break ground, and others may not be completed for another five years.”

     Gas power plant buildout is already behind due to gas turbine manufacturing inadequacies. These are expected to get better in a year or two, but they are another slowdown factor. Thus, the AI power draw may have some delays.  

     Weixel says there is 300BCF of storage in the works, but that we will need twice that amount to keep the gas grid strong and flexible.

     Financing gas storage is challenging due to the slow pace of projects and the slow payout periods. In salt dome storage, especially, there is a time-consuming period where wells are drilled into the salt domes, and water is pumped into and out of them to make the caverns by dissolving the salt. That process alone takes about four years.

     Trinity Gas Storage built a new facility in East Texas, which came online this past January. I posted about it. It is a 24 BCF facility storing gas in a depleted reservoir. They plan to add another 13 BCF by late summer 2026.

Trinity CEO Jim Goetz told Fortune that more storage built quickly is critical to keep up with the pace of the data center boom, especially because so many of them require building their own temporary gas-fired power before they can be connected to the power grid. The storage provides necessary redundancies for any gas or power disruptions, he said.”

 

Pipeline Projects

     As noted, Statista reported on 2025 U.S. pipeline projects by status.





     EIA Data from 2024 show that about 6.5 BCF/day of natural gas pipeline capacity was added. This occurred mainly in the Appalachian, Haynesville, Eagleford, and Permian Basin regions, the major gas-producing regions. In addition to that, another 8.5 BCF/day of capacity to support liquefied natural gas (LNG) export terminals was built, along with 800MMCF/ day of smaller projects. This report is from March 2025, and more projects have been announced since then. However, the buildout for pipelines is not growing beyond normal additions so far.

 






 

Ramping up Peaker Plants for Continuous Energy to Power AI is not an Adequate Solution

     From a public health perspective, the current administration’s plans to delay planned gas and petroleum oil peaking plant retirements to assist AI buildout are certainly not an ideal solution, and there are significant reasons not to adopt this approach too much. Does Big Tech really want to become Big Pollute? Gas and oil peaking units were designed for limited use, especially in terms of their lack of pollution control systems and lower smokestack heights. It is true, however, that they can be operated at much higher utilization rates, which would reduce the wear-and-tear of frequent starts and stops associated with being used to respond to demand peaks. They would also become more profitable for their owners. More demand spikes mean higher utilization rates, which equals higher profit. In a way, that provides an incentive to pollute. A Reuters article by Laila Kearney explains:

There are a ton of peaker plants that could operate more,” U.S. Energy Secretary Chris Wright told Reuters in an interview in September, adding that clean air regulations have kept more from running more frequently. “The biggest targets are spare capacity on the grid today.”

While peaker plants contribute about 3% of the country’s power, they have the total capacity to produce 19%, according to a report by the U.S. Government Accountability Office.”

Tapping into that spare capacity, however, could mean more harmful emissions being spewed into neighborhoods that are often already overburdened with environmental hazards.”

     The older plants are often the most polluting. Single-cycle gas combustions, whether turbines or reciprocal motors, run much less efficiently than combined-cycle gas plants.

     Are people expected to be OK with the ideas of AI making their electricity costs higher, taking their jobs, and polluting them? Will they be paying to be polluted and unemployed? I am guessing there could be some backlash.

     The article explains the situation at Fisk Coal Station in Chicago, which has no running coal units but runs eight petroleum fuel units and operated as a peaking plant. The plant is located in Chicago’s working-class Pilsen neighborhood. The area has one data center operating, and others are planned. These peaking units were scheduled to retire next year.

"We believe there's an economic case to keep them around, so we withdrew the retirement notice,” said Matt Pistner, senior vice president of generation at NRG, of Fisk’s eight power-generating units





     Does that economic case involve higher utilization due to data center demands? As I also like to point out, cryptocurrency mining also involves data centers and high power consumption. Thus, it is increasing power demand as well. Is it just a recognition of profit at the expense of extending the air pollution exposure time of local residents. Fuel oil units emit high amounts of particulate matter and several other pollutants. They emit significantly more pollution than natural gas peaker plants.







     As Kearney notes below, studies are confirming that peaking plant pollution is recognized as a concerning environmental justice issue in several areas.

The country's roughly 1,000 peaker plants are disproportionately located in low-income communities of color, according to academic and federal government research, meaning that extending the plants’ lives could leave vulnerable Americans to bear the brunt of more pollution.”

A 2022 study of formerly “redlined” U.S. communities, which were cut off from financial services like mortgages for being predominantly Black or immigrant, found that residents were 53% more likely to have had a peaker plant built nearby since the year 2000 than in non-redlined areas.”

If you were a redlined neighborhood, you were more likely to have a fossil fuel power plant built nearby, and we saw that relationship was even stronger for peaker plants,” said UCLA professor of environmental health sciences Lara Cushing, who led the study.  

     She cites another study that noted natural gas peaker plants emit 1.6 times more sulfur dioxide for each unit of electricity produced on a median basis compared to non-peaker plants. However, these amounts are much less than what coal plants produce. She reports that so far this year, the DOE has ordered eleven peaking plants to delay retirement, out of 13 plants total. At least two of those are oil-burning plants, both in major cities with environmental justice concerns.  

      

 

References:

 

Little-known underground salt caverns could slow the AI boom and its thirst for power. Jordan Blum. Fortune. December 23, 2025. Little-known underground salt caverns could slow the AI boom and its thirst for power

AI data centers are forcing dirty 'peaker' power plants back into service. Laila Kearney. Reuters. December 23, 2025. AI data centers are forcing dirty 'peaker' power plants back into service

U.S. natural gas pipeline project completions increase takeaway capacity in producing regions. Gas Processing & LNG. March 17, 2025. U.S. natural gas pipeline project completions increase takeaway capacity in producing regions | Gas Processing & LNG

Number of natural gas pipeline projects in the United States as of July 2025, by status. Doris Dokua Sasu. Statista. November 27, 2025. US: number of natural gas pipeline projects 2025| Statista

 

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     With soaring projected electricity demand for the first time in decades, expanding LNG exports, growing demand projections for indust...