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LG Energy Solution Company Analysis — An Unexpected Loss I Found While Researching the Battery Industry
While researching the secondary battery industry as a whole, I came across an unexpected fact. In stark contrast to Samsung SDI‘s return to profit after seven quarters, the world’s No.3 cell maker, LG Energy Solution, actually swung to an operating loss in H1 2026. I wanted to pull this company out for a closer, standalone look through DART filings.
LG Energy Solution is the world’s No.3 battery cell maker, with large-scale North American production capacity built through its Ultium Cells joint venture with GM and its NextStar Energy joint venture with Stellantis in Canada. This article sets out to answer three questions: first, why has operating profit swung so erratically even as revenue has kept declining since 2023; second, what actually drove the operating loss in H1 2026; and third, how serious a signal is the sharp rise in the debt ratio over such a short period. The analysis is based on DART’s H1 2026 semiannual report and the 2023-2025 annual reports.
LG Energy Solution Company Overview — Key Data at a Glance
| Ticker Name | LG Energy Solution | Ticker Code | 373220 (KOSPI) |
| Business | EV and ESS battery cells (pouch, prismatic, cylindrical) | Market Position | World’s No.3 battery maker (32.0 GWh, Jan-Apr 2026); 150 GWh of North American capacity via GM/Stellantis JVs |
| H1 2026 Revenue | KRW 14,115.2B (YoY +19.3%) | Operating Profit | -KRW 94.5B (swung from profit to loss) |
| H1 2026 Operating Margin | -0.67% — swung to a loss from 7.3% a year earlier | Net Income (Controlling) | -KRW 1,053.4B (loss widened) |
| Q2 2026 (Standalone) Operating Profit | KRW 113.3B (includes KRW 241.0B AMPC; excluding it, a loss of KRW 127.7B) | Total Assets (end of H1 2026) | KRW 77,877.7B |
| Total Equity | KRW 30,286.6B | Debt Ratio | 157.1% (up sharply from 86.4% at end-2023) |
| Basis of Analysis | DART H1 2026 semiannual report + 2023-2025 annual reports (consolidated financial statements) | ||
LG Energy Solution Business Structure — 150 GWh of North American JV Capacity and a Pivot Toward ESS
LG Energy Solution has secured 150 GWh of North American production capacity through Ultium Cells, its joint venture with GM (Ohio Plant 1 at 35 GWh, Tennessee Plant 2 at 35 GWh), its Canadian joint venture with Stellantis, NextStar Energy (40 GWh), and its wholly owned Holland, Michigan plant. It recently converted the Stellantis JV into a wholly owned subsidiary, and is in discussions with GM to acquire GM’s stake in the Ohio Plant 3 — a clear trend of moving away from joint-venture structures toward greater standalone ownership. The company’s 46-pi (4680) cylindrical battery began mass production at its Ochang plant in August at an annualized rate of 8 GWh, marking the start of supply to Tesla, the No.1 player by share in the North American EV market.
The biggest shift is that the center of gravity of the business is moving from EVs to ESS. At its 2026 annual shareholders’ meeting, the company said it aims to grow the ESS and new-business share of revenue to the mid-40% range, and its Lansing, Michigan plant is preparing to produce ESS batteries alongside cells for Toyota vehicles. This reflects a strategy of leaning into ESS — a segment with relatively more stable demand — in response to slowing North American EV demand, and aligns with the decision to cut 2026 CAPEX by more than 40% year-over-year.
LG Energy Solution 3-Year Financial Trend — Revenue Keeps Declining, H1 2026 Swings to a Loss
| Category | 2023 | 2024 | 2025 | H1 2026 |
|---|---|---|---|---|
| Revenue | KRW 33,745.5B | KRW 25,619.6B | KRW 23,671.8B | KRW 14,115.2B |
| Operating Profit | KRW 2,163.2B | KRW 575.4B | KRW 1,346.1B | -KRW 94.5B |
| Operating Margin | 6.4% | 2.2% | 5.7% | -0.7% |
| Net Income (Controlling) | KRW 1,237.2B | -KRW 1,018.7B | -KRW 1,072.8B | -KRW 1,053.4B |
| YoY Operating Profit | — | -73.4% | +134.0% | Swung to a loss |
| Debt Ratio | 86.4% | 94.7% | 129.0% | 157.1% |
Revenue fell for three straight years, from KRW 33,745.5B in 2023 to KRW 25,619.6B in 2024 and KRW 23,671.8B in 2025, driven mainly by slowing North American EV demand. Operating profit plunged from KRW 2,163.2B in 2023 to KRW 575.4B in 2024, then recovered to KRW 1,346.1B in 2025 — yet net income attributable to controlling shareholders stayed in the red for three straight years starting in 2024. Then in H1 2026, operating profit itself swung negative, to -KRW 94.5B. Looking at Q2 alone, operating profit was a positive KRW 113.3B, but that figure reflects KRW 241.0B in U.S. IRA Advanced Manufacturing Production Credits (AMPC); excluding AMPC, the quarter was actually a KRW 127.7B loss. In other words, I read H1 2026 results as clear evidence that the core business itself is unprofitable without this policy-driven tax credit.
LG Energy Solution Balance Sheet Deep Dive — A 157% Debt Ratio and Operating Cash Flow Turned Negative
| Item | End of 2025 | End of H1 2026 | Change |
|---|---|---|---|
| Total Assets | KRW 67,147.9B | KRW 77,877.7B | +16.0% |
| Total Equity | KRW 29,321.7B | KRW 30,286.6B | +3.3% |
| Total Liabilities | KRW 37,826.3B | KRW 47,591.0B | +25.8% |
| Debt Ratio | 129.0% | 157.1% | +28.1%p |
| Cash & Equivalents | KRW 3,779.3B | KRW 7,170.3B | +89.7% |
| Inventory | KRW 4,350.4B | KRW 6,445.3B | +48.2% |
| Operating Cash Flow (H1 2026) | — | -KRW 290.9B | Turned negative (vs. +KRW 1,412.0B a year earlier) |
| CAPEX (property/equipment acquisitions, H1 2026) | — | KRW 3,271.7B | Full-year 2026 plan: down 40%+ YoY |
The most concerning item in this table is operating cash flow, which deteriorated sharply from +KRW 1,412.0B in H1 2025 to -KRW 290.9B in H1 2026. Inventory also rose 48.2% within a single half-year, suggesting growing strain on production and inventory management relative to demand. The 89.7% jump in cash and equivalents might look encouraging at first glance, but it more likely reflects liquidity raised through borrowing rather than cash generated from operations. Indeed, the debt ratio nearly doubled, from 86.4% at the end of 2023 to 157.1% at the end of H1 2026 — a roughly two-and-a-half-year span. In other words, the financial structure deteriorated rapidly during a period when large-scale CAPEX continued even as revenue and operating profit were declining. That said, the decision to cut 2026 CAPEX by more than 40% year-over-year looks like a move to reverse this trend, and I see the next one or two quarters’ cash flow and debt-ratio trajectory as essential metrics to confirm.
LG Energy Solution CAPEX & New Business — A Strategic Pivot Toward Lower Investment and More ESS
The company is shifting its investment philosophy from “scale expansion” to “efficiency,” cutting 2026 CAPEX by more than 40% year-over-year — a continuation of the decline that began after CAPEX peaked in 2024. The center of gravity for new business is shifting to ESS: at its 2026 annual shareholders’ meeting, the company said it aims to grow ESS and new-business revenue to the mid-40% range. The 46-pi (4680) cylindrical battery began mass production at the Ochang plant in August at an annualized 8 GWh, marking the start of Tesla supply, while preparations for solid-state battery commercialization and dry-electrode process development are proceeding as planned. Sodium-ion batteries are currently in technical validation with customers. That said, this new-business diversification will take time to show up in results, and defending the balance sheet through CAPEX cuts looks like the more immediate priority.
LG Energy Solution Earnings Drivers — What’s Behind the H1 2026 Swing to a Loss
| Driver | Detail | Temporary/Structural |
|---|---|---|
| ① Slowing North American EV demand | Revenue fell for three straight years (2023-2025), and partial shutdowns at Ultium Cells (the GM JV) shrank the scale of AMPC itself | Structural (North American EV chasm) |
| ② Change in AMPC accounting treatment | Starting in 2026, the tax credit is now shared with customers under revised contract terms, with part of it reclassified as other revenue; even in Q2, excluding AMPC still leaves a KRW 127.7B loss | Structural (accounting/contract structure change) |
| ③ New ESS site start-up costs and product mix shift | Initial investment costs from expanding North American ESS production sites coincided with a worsening product mix as EV pouch-cell volumes fell for a key North American customer | Partly temporary (ESS start-up costs), partly structural (pouch mix) |
✅ 3 Investment Highlights
① The largest production infrastructure in North America
With 150 GWh of North American capacity including the GM and Stellantis JVs, the company is among the leading candidates to benefit from de-China supply-chain realignment.
② A clear ESS-centered transformation strategy
In response to slowing EV demand, the company has set a clear direction of growing ESS and new-business revenue to the mid-40% range, with CAPEX being made more efficient to match.
③ A next-generation technology portfolio spanning 46-pi and solid-state
Mass production of the 46-pi cell for Tesla has begun, and development of solid-state, dry-electrode, and sodium-ion battery technologies is proceeding on schedule.
⚠️ 3 Risks
① The core business is unprofitable without AMPC
Excluding the KRW 241.0B AMPC credit, Q2 2026 would have been a KRW 127.7B operating loss — a structure in which results are highly exposed to shifts in U.S. policy.
② A sharply rising debt ratio and negative operating cash flow
The debt ratio jumped from 86.4% to 157.1% in two and a half years, and H1 2026 operating cash flow turned negative at -KRW 290.9B, adding to the overall financial-structure burden.
③ Surging inventory and a worsening product mix
Inventory rose 48.2% in a single half-year, and falling pouch-cell volumes to a key North American customer are weighing on the product mix, raising questions about the pace of demand recovery.
My Investment Judgment on LG Energy Solution
What surprised me most in this analysis is that, in the same period Samsung SDI managed to turn profitable, the world’s No.3 cell maker actually swung to an operating loss in H1 2026. Looking more closely, that loss would have been far larger without the U.S. AMPC policy tax credit, and the debt ratio surged while operating cash flow turned negative in the very same period. The direction of the company’s strategy — the largest production footprint in North America and a pivot toward ESS — is sound, but the financial numbers right now are clearly flashing a warning.
My judgment is to wait and see. Two facts support this. First, the fact that the core business is unprofitable without AMPC means results are fully exposed to U.S. policy risk (potential reduction or repeal of the tax credit), which argues for a conservative approach until that policy uncertainty is resolved. Second, the debt ratio surge and the swing to negative operating cash flow are happening at the same time, so I want to confirm whether the CAPEX cuts planned for H2 2026 actually translate into real balance-sheet improvement.
The triggers that would change my view are these: ① if the core business returns to operating profit excluding AMPC from Q3 2026 onward, I will consider increasing my position. ② If the debt ratio keeps climbing through the second half or operating cash flow stays negative, I will maintain a wait-and-see stance or adjust toward reducing exposure.
⚠️ Investment Disclaimer
This article is an individual investor’s analysis based on DART electronic disclosure filings and does not constitute investment advice.
All investment decisions must be made at your own judgment and responsibility.
Stock investing carries the risk of principal loss.
References
- DART Electronic Disclosure System: https://dart.fss.or.kr
- LG Energy Solution official website: https://www.lgensol.com
- “LG Energy Solution Posts a Second Straight Quarterly Loss — Excluding AMPC, Operating Loss Reaches KRW 397.5B” (Aju Business Daily): https://www.ajunews.com/view/20260407191046217
- “[2026 Shareholders’ Meeting] LG Energy Solution: ‘Expanding ESS and New Business to Mid-40% of Revenue'” (Inthenews): https://www.inthenews.co.kr/news/article.html?no=84578
- Basis of analysis: DART H1 2026 semiannual report + 2023-2025 annual reports (consolidated financial statements)
