{
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  "path": "/tech/tesla-locks-in-4-3-billion-battery-deal-with-lg-but-what-it-means-for-u-s-supply-chains-is-bigger-than-it-looks/",
  "publishedAt": "2026-03-17T10:00:00.000Z",
  "site": "https://attackofthefanboy.com",
  "tags": [
    "News",
    "Technology",
    "Economy",
    "tech",
    "Tesla",
    "United States",
    "Reuters",
    "Strait of Hormuz pressure",
    "pic.twitter.com/BE8HS7w09f",
    "March 17, 2026",
    "higher gas prices",
    "@SawyerMerritt"
  ],
  "textContent": "The U.S. government has confirmed a $4.3 billion battery supply agreement between Tesla and South Korea’s LG Energy Solution. As reported by Reuters, the deal will support a new manufacturing facility in Lansing, Michigan, with production expected to begin in 2027.\n\nThe plant will produce lithium iron phosphate prismatic battery cells for Tesla’s Megapack 3 energy storage systems, which are built in Houston. The agreement ties battery production directly to one of Tesla’s major U.S. energy products and adds another piece to a domestic supply chain that has been a focus for manufacturers and policymakers.\n\nThe broader significance comes from where these batteries will be made and what that could reduce. LFP battery chemistry has long been dominated by Chinese companies with limited U.S. manufacturing presence, while LG Energy Solution is one of the few companies producing LFP batteries in the United States.\n\n## This deal reaches beyond a single factory\n\nThe U.S. Department of the Interior announced the agreement on Monday and pointed to its role in expanding a domestic battery supply chain. The deal was also included among a broader group of agreements highlighted by President Donald Trump’s administration during the Indo-Pacific Energy Security Summit, amid Strait of Hormuz pressure.\n\n> BREAKING: The U.S. Government has officially announced that @Tesla and LG ​Energy have signed an agreement to ‌build a $4.3 billion lithium iron phosphate (LFP) prismatic battery cell manufacturing factory in Lansing, Michigan, with a 2027 start of production.\n>\n> \"American-made… pic.twitter.com/BE8HS7w09f\n>\n> — Sawyer Merritt (@SawyerMerritt) March 17, 2026\n\nReuters noted that signs of the agreement surfaced in July, when a source said LG Energy Solution had signed a $4.3 billion contract to supply Tesla with energy storage system batteries. At the time, LG Energy Solution confirmed a three-year $4.3 billion agreement to supply LFP batteries globally but did not identify the customer or say whether the batteries were intended for vehicles or energy storage.\n\nThat earlier disclosure left open key details that are now confirmed by the government announcement. With the Lansing facility set to supply Tesla’s Megapack 3 systems, the deal now stands as a concrete example of how battery manufacturing is being positioned closer to U.S. assembly and deployment.\n\nFor Tesla and LG Energy Solution, the agreement strengthens a domestic production pipeline for a battery type that has often depended on overseas supply, with higher gas prices keeping energy costs in sharper focus. It also gives the United States a larger foothold in LFP battery manufacturing ahead of the facility’s planned 2027 start.",
  "title": "Tesla locks in $4.3 billion battery deal with LG, but what it means for U.S. supply chains is bigger than it looks"
}