The US energy storage market is growing at a record pace, driven by the expansion of solar and wind power and the need to make the grid more stable. Batteries installed alongside renewable energy plants or at transmission hubs make it possible to shift electricity to the hours when it is actually needed: they absorb generation when supply is abundant and feed it back during peak demand. It is a valuable piece in ensuring grid reliability and cutting emissions.
However, this acceleration has a clearly recognizable dependency: many of the cells used in storage systems come from China, where manufacturing capacity, the industrial supply chain, and pricing have made supply exceptionally competitive. The Trump administration chose to target that link with an executive order issued in late August, which declares a national emergency and paves the way for banning Chinese batteries in grid-scale storage facilities.
The measure highlights a conflict that has become central to American energy policy. On the one hand, there is the desire not to entrust a critical component of the electrical infrastructure to a single country, especially when national security risks are invoked. On the other, there is the urgency to deploy storage capacity quickly and at sustainable costs. Chinese batteries have helped the sector grow; cutting off access to them before alternative supplies are broad and competitive could make it harder to sustain that momentum.
A ban broader than tariffs and incentives
The United States is not starting from scratch in its attempt to reshape the geography of the supply chain. In recent years, it has used tax incentives, sourcing requirements, and tariffs to favor materials, components, and assembly located in the US or in countries not deemed problematic.
The Inflation Reduction Act of 2022 had already tied tax credits for energy technologies to the sourcing of minerals and where batteries and components were assembled. Those rules were amended in 2025, but the direction remained unchanged. For new storage projects, regulations require starting in 2026 that 55% of the cost of materials come from countries other than China and other restricted nations, otherwise the project cannot qualify for tax credits.
Tariffs have been added to the restrictions on incentives: in January, battery import taxes rose from 7.5% to 25%. A tariff makes the imported product less cost-effective, but still leaves buyers with an option if the price advantage remains sufficient. The executive order significantly changes the picture, as it aims to prevent the installation of foreign-made equipment for bulk-power systems if they pose a national security risk.
The text explicitly cites battery energy storage systems, as well as inverters and transformers. It does not, therefore, concern solely the electrochemical cell: it impacts the system that connects and controls storage within the grid. For developers, suppliers, and utilities, the scope of this definition makes the regulatory clarifications expected from the Department of Energy by the end of the year crucial.
Already planned projects enter a phase of uncertainty
The most immediate consequence is not necessarily an automatic halt to all construction sites, but an uncertainty that could freeze decisions and contracts. BloombergNEF anticipates that the measure could slow grid-connected storage installations in the short term. Developers might postpone projects until they know precisely which products, suppliers, and configurations will be permitted.
Meanwhile, those who had designed a project around Chinese cells may have to seek domestic supplies or imports from other countries. In both cases, a cost increase compared to Chinese alternatives is likely. Isshu Kikuma, an analyst at BloombergNEF, indicated that in the worst-case scenario, some projects could be canceled. Not because storage is any less useful, but because the financial viability of a plant relies strictly on battery prices and regulatory predictability.
The issue is also relevant for grid planning. Storage is designed to tackle congestion, peak demand, and renewable generation variability. A delay in commissioning is not just a postponed industrial order: it can force utilities and grid operators to recalibrate the solutions planned for a specific area or season.
On paper, the order could even apply to existing facilities. However, its literal enforcement would be extremely difficult: much of the storage capacity already operational in the United States relies on Chinese batteries. Removing it based on cell origin would mean stripping the grid of a very large share of installed storage. This scenario appears unlikely, but it demonstrates that dependence is not an issue confined to future deliveries.
American capacity will grow, but the timeline does not align with the market
In the long run, the United States can build sufficient manufacturing capacity to cover domestic battery demand. According to assessments cited by MIT Technology Review, on paper this threshold could be reached around 2030. However, having announced factories or nominally capable facilities does not guarantee that all lines will come online as scheduled or operate at full capacity. As a result, the actual balance between domestic supply and demand could slip further into the decade.
New facilities or production ramp-ups from LG Energy Solution, Samsung SDI, Ford, and SK On are expected within the next year. An unexpected factor could ease the transition: the slowdown in the electric vehicle market is prompting some factories designed for automotive cells to repurpose part of their output toward stationary storage. This offers an opportunity to utilize already planned industrial capacity, but it does not automatically eliminate discrepancies between demand, cell chemistries, supply contracts, and grid integration requirements.
The issue, therefore, goes beyond a simple contrast between imports and domestic manufacturing. An energy supply chain requires volume, competitive pricing, reliable facilities, processed materials, power electronics, and integration expertise. An order restricting a dominant source can increase incentives to invest in the United States and diversify suppliers, but it yields different effects depending on the timeframe. In the short term, it may strip options from a booming sector; in the medium term, it could shift capital toward alternative factories and supply chains.
The decisive factor will be the details of the federal guidelines. They will need to clarify how risks will be assessed, whether and how projects already under development will be handled, which components fall under the ban, and what leeway will remain for non-Chinese products. Until then, the US energy storage market remains caught between two priorities that are difficult to reconcile: installing batteries where the grid needs them and reducing dependence on the industry that currently makes them most accessible.
