SK On
South Korean battery company
From Wikipedia, the free encyclopedia
SK On is a battery company headquartered in Seoul, South Korea. Spun off in 2021, it is a subsidiary of SK Innovation, a member of SK Group. Its batteries are used for electric vehicles and ESS. SK Trading International, SK Enterm, and SK Enmove were merged into SK On from 2024 to 2025.
| Company type | Subsidiary |
|---|---|
| Industry | battery |
| Headquarters | Seoul , South Korea |
| Parent | SK Innovation |
| Website | http://eng.sk-on.com/ |
History
In July 2021, SK Innovation announced the spin-off of its battery business.[1] The entity launched as SK On in October.[2] In December 2022, SK On announced a new plant with Hyundai in Cartersville, Georgia.[3] In February 2023, SK On withdrew from a joint venture with Ford and Koç Holding in Turkey.[4] In August, construction started on a cathode material plant joint venture with EcoPro BM and Ford in Bécancour, Quebec. Construction was paused multiple times.[5]
In November 2024, SK Trading International (a crude oil and petroleum products affiliate) merged into its sister company SK On.[6] In February 2025, SK Enterm (a commercial tank terminal operator under SK Trading International) also merged into SK On.[7] In March, SK On secured a supply contract with Nissan.[8] In April, Slate chose SK On as its battery supplier.[9] In July, SK On announced the acquisition of SK Enmove, a lubricant maker under SK Innovation.[10] In September, SK On completed construction on an all-solid-state battery plant in Daejeon, South Korea.[11] In November, SK On swapped stakes in its two joint ventures with Eve Power in China, taking full ownership of the Jiangsu site.[12] In December, SK On and Ford announced the dissolution of their joint venture BlueOval SK, with SK On taking the Tennessee battery facility.[13][14] In March 2026, SK On laid off more than a third of its workforce at its plant in Commerce, Georgia. The plant has supplied Volkswagen and Hyundai.[15]

