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Facility: Ultium Cells LLC, Warren (Lordstown), Ohio | JV Partners: General Motors (50%) / LG Energy Solution (50%) | Announced capacity: 35 GWh/year (commonly cited; no Tier 1 per-facility disclosure identified — DOE loan documentation covers all three Ultium plants at aggregate) | Chemistry: NCMA pouch | Investment: $2.6 billion | Stated status (2026-05-29): "Employees who have been on temporary layoff status are now expected to return in August for GM EV cell production" | Assessed status: Partially operational at reduced output (~650 workers, ~50% of 2024 peak per company VP); restart at meaningful utilization unsubstantiated by current GM NCMA EV demand. Third stated return date. Ohio is now the sole remaining Ultium NCMA EV cell plant after Spring Hill converted to LFP/BESS and Lansing was sold to LGES.
Last verified: 2026-06-08
The Ledger
2019-12 — Announced Stated: GM and LG Chem announce a 50/50 JV to mass-produce battery cells in Lordstown, Ohio. Investment up to $2.3 billion, 1,000 jobs. Observed: Consistent. Groundbreaking held May 2020. Gap: None.
2020-09-28 — Ohio incentive approved Stated: Ohio Tax Credit Authority approves a 1.95%, 15-year job creation tax credit. Estimated $13.8 million in new incentives; projected $45 million in new annual payroll. Credit effective 2023-01-01 through 2037-12-31. Observed: Approval came four months after groundbreaking. Policy Matters Ohio questioned whether the credit met Ohio's statutory "major factor" test. Ohio has enforcement precedent: when GM closed Lordstown Assembly in 2019, the state clawed back $28 million of $60.3 million in job creation tax credits. Gap: Incentive post-dated construction start. Specific employment floor and clawback triggers in the Ultium JCTC agreement have not been publicly disclosed.
2022-08 — Production start Stated: NCMA pouch cell production begins for GM's Ultium platform. Observed: Consistent. DOE closed a $2.5 billion loan to Ultium Cells in December 2022 covering Ohio, Tennessee, and Michigan facilities. Facility eligible for 45X advanced manufacturing production credits on cells and modules produced; no per-facility 45X claim data is publicly available (structural information gap — no public registry exists). Gap: None. Facility operational on stated timeline.
2024-06 — Peak employment Stated: Nearly 2,200 hourly and salaried workers on-site. Observed: Consistent. Employment exceeded the original 1,000-job commitment by more than 2x. Gap: None. Confirming entry.
2024-12 — 100 millionth cell Stated: Facility produces its 100 millionth battery cell. Observed: Confirmed by company and trade press. Gap: None.
2025-05-13 — DOE loan repaid Stated: No company public statement identified on the repayment. Observed: DOE LPO announced voluntary early repayment in full of $1.8 billion disbursed, approximately seven years ahead of schedule. Gap: Repayment eliminated DOE covenant oversight and the public disclosure obligations that accompanied it. No LPO compliance triggers will generate facility status updates going forward. The repayment occurred five months before the WARN filing.
2025-10-29 — WARN Act filing Stated: GM public announcement referenced approximately 550 cuts plus 850 temporary layoffs at Ohio. CEO Barra's October 21 shareholder letter cited "reassessing" EV capacity to "reduce EV losses in 2026 and beyond." Observed: WARN filing documented 1,334 total layoffs effective 2026-01-05: 850 temporary (no return date specified) and 484 indefinite. Company separately described 480 permanent position eliminations. Gap: Filed WARN figure (484 indefinite) and public announcement figure (550 per CNBC) do not reconcile. WARN filing is Tier 1. Discrepancy not publicly explained.
2026-01-05 — Production halt Stated: "Battery cell production temporarily paused." WARN notice language: "Ultium Cells plans to make upgrades to the facility to provide greater flexibility." Observed: 78% of hourly workforce laid off. No construction permits, equipment orders, or capital expenditure disclosures identified to substantiate the "upgrades" characterization (absence-of-evidence; direct verification via Trumbull County Building & Zoning would be required). No satellite or aerial imagery analysis of the Warren facility was identified in trade press as of 2026-06-08. Gap: "Facility upgrades" language unsupported by observable capital activity.
2026-01-08 — GM $6 billion writedown Stated: GM announced a $6 billion charge to unwind EV investments, including a $1.8 billion non-cash write-down of EV manufacturing assets and $4.2 billion to settle battery supply contracts. Observed: Charge announced and taken. No facility-specific allocation disclosed. Gap: A $4.2 billion battery supply contract settlement, three days after the Ohio pause, is structurally inconsistent with the "temporary" characterization applied to that pause. The charge was not characterized by GM as temporary.
2026-03-16 — Factory Zero paused Stated: GM confirmed Factory Zero halted all production March 16, planned restart April 13. Observed: Factory Zero is the primary assembly plant consuming Ohio NCMA cells. Second production pause in five months, now running on a single shift after 1,200 permanent layoffs in October 2025. Gap: The primary downstream customer for Ohio's cells cannot sustain single-shift continuous operation.
2026-03-18 — Spring Hill conversion; Ohio consolidation Stated: Ultium Cells Spring Hill converting from NCMA EV cells to LFP energy storage. Lansing previously sold to LGES (December 2024). Observed: Consistent. Ohio is now the only Ultium facility producing NCMA EV cells. Gap: Consolidation is nominally bullish for Ohio's role. All GM NCMA EV cell demand must now be served by a facility operating at reduced capacity with 78% of its hourly workforce laid off.
2026-05-08 — Congressional plant visit Stated: Ultium VP of Operations: roughly 650 workers remain, production at "about 50% of its 2024 peak." Observed: Confirmed by Rep. Khanna's office. Facility not fully idle. LinkedIn shows 22 active job postings for Ultium Cells in Warren as of 2026-06-08; role composition (production vs. corporate) not verified. No significant production-worker hiring surge identified. Gap: "50% of 2024 peak" is ambiguous — 2024 peak production volume is not publicly disclosed and was likely below 35 GWh nameplate for a facility still ramping. The actual GWh figure cannot be calculated from available data.
2026-05-29 — Return date slips: June → August (third revision) Stated: "Employees who have been on temporary layoff status are now expected to return in August." Internal notice cited "a detailed analysis of the electric vehicle market." Observed: Third stated return date (January → June → August). January 5 plus six months is July 5; an August return would extend the temporary layoff beyond the WARN Act's six-month threshold, potentially triggering reclassification and additional liability. Gap: The company's own internal language now attributes the delay to demand, not facility upgrades. This contradicts the January 2026 WARN notice framing.
Trajectory Assessment
Through December 2024, this ledger confirms execution. Employment doubled the commitment, cells shipped, and the DOE loan was repaid early. From October 2025 forward, the gap between stated and observed widens through three mechanisms visible in the entries above: the return date has been revised twice in five months, and the third stated date faces the same demand environment that broke January and June; the company's own framing shifted from supply-side ("facility upgrades") to demand-side ("electric vehicle market"); and Factory Zero, the primary assembly plant consuming Ohio's cells, cannot sustain single-shift continuous production.
Apply the customer test. GM sold 25,900 EVs in Q1 2026. US EV sales overall fell 27% YoY in Q1 2026 per Cox Automotive. Six of seven NCMA vehicle lines posted year-over-year declines:
| Vehicle | Q1 2026 YoY Change |
|---|---|
| Blazer EV | −83% |
| Hummer EV | −53% |
| Silverado EV | −41% |
GM has delayed next-generation electric trucks to 2030. No new NCMA EV program has been announced.
If the current pattern holds, the August return date faces the same structural constraint. The facility is producing at some level with 650 workers. Restart at meaningful utilization, recalling 850 workers and sustaining output approaching nameplate, requires GM EV volume that does not currently exist and has no announced near-term source.
Ohio JCTC compliance status. With 78% of hourly workers laid off, qualifying payroll is substantially reduced against the $45 million annual threshold. No ODSA or JobsOhio statement on Ultium Cells JCTC compliance has been identified as of 2026-06-08. 45X production credit accrual is proportionally reduced with production. No per-facility claim data is publicly available.
- WARN Act six-month threshold: An August return would push temporary layoffs past the WARN Act's six-month reclassification trigger on July 5, and Strauss Borrelli's investigation into whether proper notice was provided remains open.
- Factory Zero forward demand: GM has confirmed it will delay next-generation electric trucks to approximately 2030, which removes the most plausible source of incremental NCMA cell demand for Ohio within the current planning horizon.
- Ohio incentive clawback precedent: The state clawed back $28 million from GM after Lordstown Assembly closed in 2019, and the Ultium Cells JCTC agreement runs through 2037 with employment thresholds that have not been publicly disclosed.
- Spring Hill LFP/BESS ramp: LGES Vertech signed a $1.6 billion, 6 GWh supply agreement with DTE Energy in May 2026, which will test whether the converted Tennessee plant can deliver on the BESS demand thesis that Ohio's EV-only mission cannot access.