Trump invokes emergency powers to bar foreign adversary equipment from the power grid, opening a new front in the trade war that tariffs alone could not reach
WASHINGTON, Aug. 29, 2026. President Donald Trump on Wednesday declared a national emergency over the security of the American power grid and signed an executive order that empowers the Energy Department to block imports and installations of foreign-made transformers, inverters, batteries and other bulk-power equipment tied to adversary nations, a sweeping use of emergency economic powers aimed squarely, though never explicitly, at China. The order, designated Executive Order 14420 and signed Aug. 26, marks the administration’s most consequential trade restriction since the Supreme Court struck down its emergency tariff program in February, and it signals a strategic pivot from taxing imports to prohibiting them outright.
“Certain foreign actors are increasingly creating and exploiting vulnerabilities in the United States bulk-power system, which provides the electricity that supports our national defense, vital emergency services, critical infrastructure, and economy,” the order states. The White House tied the action to the explosive growth of electricity demand, noting that “the rapid growth of advanced manufacturing, data centers, artificial intelligence, and defense production has increased the Nation’s dependence on abundant, reliable electricity and magnified the consequences of a successful attack or supply disruption.” Officials pointed in particular to the risk that foreign equipment could carry digital backdoors allowing remote access to the machines that keep the lights on.
For the utilities, renewable developers and equipment importers who must now live under the order, the crucial fact is what it does not do. Nothing is banned on day one. The prohibition applies to transactions initiated after Aug. 26 involving foreign-produced bulk-power equipment, but only once the secretary of energy determines both that the equipment comes from a covered foreign entity and that the transaction poses an undue risk of sabotage, unauthorized access, malicious remote action, supply disruption or catastrophic harm to critical infrastructure. Until the Energy Department writes implementing rules, due within 120 days, a deadline that falls on Christmas Eve, the order functions as a loaded authority rather than an operating embargo. As one industry analysis put it, the order names inverters, batteries and transformers but bans nothing yet.
How the order works
The order rests on the International Emergency Economic Powers Act and the National Emergencies Act, and its reach is defined by three nested concepts. The bulk-power system covers generation and transmission facilities rated at 69 kilovolts and above, expressly excluding local distribution. The covered equipment list is long and specific, running from substation transformers, utility-scale inverters, battery energy storage systems and uninterruptible power supplies to circuit breakers, protective relays, metering equipment, generation turbines and the industrial control systems that supervise them, together with associated software, firmware and remote-access capabilities. Foreign-produced means simply anything not manufactured, produced or assembled in the United States, a definition that technically sweeps in allied factories in Canada, South Korea, Japan and Europe.
What narrows the net is the covered foreign entity test. The order reaches equipment designed, developed, manufactured or supplied by persons owned by, controlled by or subject to the jurisdiction of a government under a U.S. arms embargo or sanctions regime as listed in the International Traffic in Arms Regulations, a set of roughly two dozen countries including China, Russia, Iran, North Korea, Venezuela, Belarus and Cuba, or any entity the energy secretary designates as engaged in conduct detrimental to national security. As trade lawyers were quick to note, apart from China, few of those countries supply the power industry at all. Keith Martin of Norton Rose Fulbright observed that the order effectively targets Chinese equipment while leaving the department discretion to designate others.
The order’s retroactive reach may prove its most expensive feature. Beyond blocking new transactions, it authorizes the Energy Department to impose conditions on the continued use, operation, maintenance and updating of foreign equipment already installed, including requirements to identify, isolate, monitor, secure, disconnect, replace or remove it, with consideration for reliability, safety, replacement availability and phased compliance. The department may negotiate mitigation agreements, establish a licensing process and publish a pre-qualified vendor white list. A separate provision directs recommendations within 180 days for federal procurement rules that prioritize American-made energy infrastructure. The order applies notwithstanding any contract signed or license granted before Aug. 26, and it provides no private right of action.
What the department must build
The order hands the Energy Department a demanding construction project. Within 120 days it must publish rules that may designate specific countries and persons as covered foreign entities, establish a licensing process for otherwise prohibited transactions, and set the criteria for the pre-qualification white list. As soon as practicable, the department must identify equipment already in the ground that poses undue risk and recommend to the president, through the national security adviser, how to inventory, isolate, monitor or replace it. Within 180 days it must deliver recommended changes to federal acquisition regulations that would prioritize American-made energy infrastructure across government procurement, with the regulatory council given 90 days to act on them. The department will consult the secretaries of war, commerce, homeland security and the director of national intelligence along the way, and the order grants it the full toolkit of emergency economic powers, including the ability to direct the timing and manner of winding down pending transactions.
Energy Secretary Chris Wright, who inherits the implementation task, has said little publicly since the signing, and the department has yet to indicate whether it will resurrect the technical groundwork from the 2020 effort or start fresh. The difference between those paths could be measured in years. The earlier effort produced a targeted prohibition on Chinese equipment serving critical defense facilities and a detailed request for information on grid supply chains before it was shelved, a paper trail that gives the department a running start if it chooses to use it.
Deja vu, with teeth
Veterans of grid policy have seen this movie before. Trump signed a nearly identical order, Executive Order 13920, in May 2020. It generated confusion, a targeted Energy Department prohibition order aimed at Chinese equipment serving defense facilities, and then was suspended by the Biden administration in 2021 and never meaningfully revived. Bridget Bartol, head of industry and regulatory affairs at the National Electrical Manufacturers Association, described the new order as building on that earlier effort. “I see this as kind of an update and expansion,” she said, while cautioning that the software provisions “raise a lot of questions around what does it mean to be designed and developed by a covered foreign entity” and that “there’s a need for a lot more clarity” to avoid confusion in the markets.
The difference this time is context. The 2020 order arrived when grid equipment was plentiful and demand was flat. The 2026 order arrives amid the tightest equipment market in memory and the steepest demand growth in generations. Federal researchers estimate data centers consumed 4.4 percent of U.S. electricity in 2023 and could take between 6.7 and 12 percent by 2028. The Edison Electric Institute projects its member utilities will invest 1.1 trillion dollars between 2025 and 2029, nearly matching the previous decade’s total in half the time. Developers plan a record 24 gigawatts of utility-scale battery storage this year alone, on top of a record 86 gigawatts of total new generating capacity. Every one of those projects buys the equipment this order can now block.
The supply side is the squeeze. Roughly 80 percent of U.S. transformer demand is met by imports, worth about 7.5 billion dollars a year, with lead times for large power transformers stretching from two to four years and prices up about 80 percent over five years. The saving grace is that America’s transformer dependence runs mainly through Mexico, South Korea and Canada rather than China. Batteries are the opposite story. China dominates global battery cell production, and while Washington’s accumulating barriers have already pushed Chinese storage suppliers to the margins of the American market, Chinese firms still anchor the global supply chain that American integrators draw on. Industry data show Chinese energy storage makers booked around 120 gigawatt-hours of orders in Europe in the first half of 2026 against roughly 5 gigawatt-hours in North America, a measure of how far the decoupling has already run.
One more layer on a crowded stack
Executive Order 14420 does not arrive in a vacuum. It is at least the fifth distinct federal screen applied to the same categories of hardware in barely two years. The Federal Communications Commission added foreign-produced networked power inverters to its covered equipment list on July 28, blocking new authorizations of such devices, then narrowed the listing on Aug. 20 to spare inverters eligible for domestic manufacturing tax credits. The Pentagon’s procurement restriction on batteries from six Chinese manufacturers, including CATL and BYD, takes effect in 2027. Tax law adds its own filter through foreign entity of concern rules that strip clean energy credits from projects with too much prohibited foreign content. Tariffs pile on top: Section 301 duties on Chinese lithium-ion batteries rose to 25 percent in January, Section 232 metals duties reach transformers and grid components through the derivatives program, and a separate Section 232 action on polysilicon signed earlier in August built a minimum import price framework for solar inputs.
Each regime has its own definitions, thresholds, agencies and effective dates, and they do not align. Keith Martin of Norton Rose Fulbright catalogued the pileup facing project developers: foreign entity of concern rules, domestic content bonuses, manufacturing tax credits, the inverter listing, multiple kinds of tariffs, minimum import prices, expanded farmland reporting obligations “and now a new set of definitions tied to bulk-power system equipment.” For compliance teams, the marginal burden of the new order is not any single prohibition but the addition of yet another vocabulary, covered foreign entity, foreign-produced, bulk-power system electric equipment, that overlaps imperfectly with every vocabulary that came before.
The order is also explicit that pre-existing contracts provide no shelter, applying notwithstanding any contract entered into or license granted before the signing date. That clause, standard in sanctions practice, is what gives a case-by-case authority its market-wide chill. A developer negotiating a battery supply agreement today cannot know whether the transaction will be reviewable in December, so counsel are already drafting around the risk with termination rights, substitution clauses and origin warranties.
The trade policy pivot
The order’s legal architecture is the most revealing thing about it. In February, the Supreme Court ruled 6 to 3 in Learning Resources v. Trump that IEEPA does not authorize the president to impose tariffs, holding that the power to regulate importation does not include the power to tax and demolishing the legal basis of the administration’s worldwide reciprocal tariff program. The administration responded with temporary surcharges under other statutes and an acceleration of Section 301 and Section 232 actions. What the Court left untouched, however, is IEEPA’s core: the power to prohibit and condition transactions in a declared emergency. Executive Order 14420 plants itself firmly on that intact ground. Where tariffs on Chinese grid equipment already run high, stacked Section 301 duties on Chinese lithium-ion batteries alone now exceed 40 percent by some industry calculations, the new order threatens something tariffs cannot: zero access, regardless of price.
Beijing read it that way. “China has always opposed the practice of overstretching the concept of national security and suppressing enterprises from other countries,” foreign ministry spokesman Lin Jian said at his Aug. 27 briefing, adding that China hopes the United States will provide “a fair, just, and non-discriminatory environment” for foreign firms. The timing is delicate. The order lands weeks before a tentatively planned September summit between Trump and Chinese President Xi Jinping, with Chinese export control suspensions on critical minerals due to expire in November. Analysts note that Beijing’s readiest retaliation levers, rare earth elements, magnets and graphite, sit upstream of the very electrical equipment supply chains Washington is trying to secure. Norton Rose’s Martin also reported a forward-looking detail that may matter more than the order itself: the administration is considering a similar ban on Chinese equipment used in data centers.
What it means for the industry
For utilities, the immediate task is inventory. “Blocking new purchases is the easy part. Knowing what’s already running is where the real work starts,” said John Bruggeman, a virtual chief information security officer at technology firm CBTS. Utilities must map installed fleets of foreign-sourced transformers, inverters, relays and control systems against a covered entity definition that does not yet have an official list, all while awaiting rules that will determine whether any of it must be isolated or replaced. Michael Centrella of SecurityScorecard framed the challenge as giving operators “scalable, independent visibility into which assets and vendor relationships present the greatest risk without disrupting the reliability of the power system.” The Edison Electric Institute said its members are committed to working with the department on implementation “to ensure that we can maintain the reliability and affordability of electricity across the country.”
For developers and their financiers, the order revives provisions many hoped were dormant. After the 2020 order, tax equity investors and lenders began requiring developers to fund future replacement costs for equipment later deemed a threat, and such clauses remain in many financing documents. Storage projects in Arizona, Texas and Iowa are already slipping quarters under component shortages and interconnection delays; a new layer of country-of-origin diligence on cells, inverters, firmware and even remote maintenance contracts will not speed them up. The compliance question that has no clean answer yet is software provenance. A transformer carries a factory address; firmware may be written in one country, compiled in another and updated from a third. Importers should be obtaining written supplier attestations now covering country of manufacture, country of assembly and firmware origin, and treating the December rulemaking, not the signing date, as the operative planning milestone.
For equipment exporters in allied countries, the order is a double-edged development. Korean, Japanese, Mexican, Canadian and European manufacturers are technically foreign-produced under the definition, but they are not covered entities, and a pre-qualification white list could become a durable commercial advantage, effectively certifying trusted suppliers into a market their Chinese competitors cannot enter. The unresolved risk for them is entanglement: subsidiaries with Chinese ownership, Chinese subcomponents, or Chinese-written code could all raise designation questions the rules have yet to answer.
Unanswered questions
Three gaps in the order will define its real-world weight. The first is money. When the 2020 order contemplated forcing utilities to rip out suspect equipment, Energy Department officials said federal regulators were working on a plan to compensate utilities required to remove equipment deemed a national security risk. No equivalent commitment accompanies the 2026 order, and the question of who pays for replacement, shareholders, ratepayers or taxpayers, is left entirely to the coming rulemaking and to state utility commissions that will not welcome the bill. With utilities already projecting historic capital budgets, any mandated replacement program without cost recovery certainty invites years of regulatory litigation.
The second is evidence. The administration’s case rests on the risk of embedded backdoors, and officials cite reports of undeclared communication components found in some Chinese-made solar inverters in 2025. Public confirmation remains thin; European trade press reported that examinations by U.S. federal laboratories of sampled Chinese inverters did not yield conclusive evidence, and no agency has published a technical finding. That gap matters for the rules ahead, because a designation regime built on classified or unpublished evidence will be harder for vendors to contest and easier for critics to characterize as industrial policy wearing a security badge. The renewable energy trade associations, notably silent in the order’s first 72 hours, are expected to press for published criteria and a workable licensing path rather than open opposition to a national security measure.
The third is scope discipline. The definition of foreign-produced covers every article not made or assembled in America, which means the order’s practical boundaries will be drawn by the covered entity designations and the white list, not by the text. Drawn narrowly, the regime formalizes an exclusion of Chinese equipment that market forces and prior tariffs had largely accomplished. Drawn broadly, it could entangle the allied suppliers in Mexico, South Korea, Canada, Japan and Europe who provide the bulk of America’s imported grid equipment, at which point the security policy would collide head-on with the buildout the administration is counting on to power its manufacturing and artificial intelligence ambitions. The 2020 experience offers a cautionary benchmark: officials then estimated that simply standing up a pre-qualification system would take five months, longer than the entire rulemaking window this order allows.
The order asks the electric power industry to accept short-term friction in exchange for long-term security, at the precise moment the industry can least afford friction. Whether the Energy Department can write rules by Christmas Eve that block adversary access without slowing an unprecedented buildout is now the central question hanging over the American grid, and over a trade war that has moved beyond tariffs to the question of what may plug into the machine at all.