Decomposition Table
| Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | |
|---|---|---|---|---|---|
| Revenue (KRW) | 6.3T ($4.4B) | 5.6T ($4.1B) | 5.7T ($4.3B) | 6.1T ($4.4B) | 6.6T ($4.6B) |
| Operating profit/loss (KRW) | +375B ($260M) | +492.2B ($357M) | +601.3B ($449M) | −122B (−$87M) | −207.8B (−$145M) |
| Disclosed US production incentives (45X credits, IRA-related) | 458B | 490.8B | 365.5B | 332.8B | 189.8B |
| Adjusted OP ex-credits | −83B | +1.4B | +235.8B | −454.8B | −397.6B |
| Utilization rate | — | — | — | — | — |
| ASP direction | — | Down ¹ | — | — | — |
| EV vs. ESS revenue mix | ESS <10% ² | — | — | — | ESS mid-20% |
USD equivalents use editorial estimates of quarterly average KRW/USD (Q1 2025: ~1,440; Q2: ~1,380; Q3: ~1,340; Q4: ~1,400; Q1 2026: ~1,430), not company-disclosed conversion rates. Adjusted OP is editorial arithmetic: reported OP minus disclosed incentive. Blank cells = not disclosed in available English-language IR materials.
¹ LG cited metal price pass-through in Q2 2025 IR; magnitude not quantified. ² Year-ago ESS share cited in Q1 2026 call summary (AlphaSpread, English-language summary; Korean transcript not accessed).
45X Isolation
Four consecutive quarterly declines: KRW 490.8B → 365.5B → 332.8B → 189.8B. The rate of decline accelerated in Q1, from −10% QoQ in Q4 to −43% QoQ. Year-on-year, Q1 2026 credits sit 58.6% below Q1 2025. Nothing in this series suggests stabilization.
Reported losses look stable QoQ. Adjusted losses actually improved by KRW 57B. But the 45X credit stream that bridged the gap between organic performance and headline results fell 43% in a single quarter, compressing faster than the underlying business can heal.
LG's IR attributes the drop to reduced EV battery shipments in North America, specifically pouch-type cells to a major customer undergoing inventory adjustment. ESS production is growing in NA but has not offset the EV pouch hole. LG disclosed no segment-level breakdown of 45X between EV and ESS. That gap matters more than it might appear. ESS revenue share moved from under 10% to mid-20% in twelve months (call summary, AlphaSpread, English-language), which means ESS is now a material production base in NA. Whether those ESS lines are generating 45X credits at scale, and at what rate relative to the EV pouch lines they're partially replacing, would change the forward trajectory assessment materially. LG's silence on the split is itself a data point: it prevents external modeling of the credit floor as the production mix shifts.
Look at the table. Q3 2025 was the only quarter in the trailing window where LG was genuinely profitable on an organic basis (adjusted OP +KRW 235.8B). Q2 2025 was breakeven. Every other quarter was in loss ex-credits. Q3's organic profitability was not explained in sufficient detail in available disclosures to determine whether it reflected a repeatable condition or a one-quarter convergence of favorable mix and timing. What followed was the Q4 cliff to −KRW 454.8B, the worst in the window. Q1 2026's −KRW 397.6B represents a ~KRW 57B improvement from that trough.
Whether that improvement reflects early ESS margin contribution, cost reduction traction, or simply less-bad product mix cannot be decomposed from available disclosures. This is the binding constraint on the analysis: the organic trajectory is moving in the right direction, and the data available cannot tell us why, which means it cannot tell us whether the improvement is durable.
If 45X credits stabilize near KRW 190B as ESS production scales, LG needs to close a ~KRW 400B quarterly organic gap to reach the breakeven-ex-IRA target management cited on the Q1 call (English-language summary; Korean transcript not accessed). If credits keep declining because EV pouch volume falls faster than ESS ramps, the gap widens even as the underlying business improves. The credit trajectory is now a function of the EV-to-ESS production mix in North America, and LG has not disclosed enough to model that mix forward.
Utilization Trend
No Q1 2026 quarterly utilization figure was disclosed in available English-language sources. The best available data point is the FY2025 annual rate of 47.6% reported by Seoul Economic Daily citing LG's annual report. Lagged by one full quarter. Smooths the very dynamics this decomposition exists to isolate.
The annual series: 73.6% (2022) → 69.3% (2023) → 57.8% (2024) → 47.6% (2025). The rate of decline decelerated slightly between 2024 and 2025 (−10.2pp vs. −11.5pp), but annual granularity applied to a business undergoing quarterly structural shifts tells you direction, not inflection.
Directional inference, labeled as such: LG is simultaneously ramping ESS capacity in NA (targeting 50+ GWh by year-end across five production sites including Holland, Lansing, Windsor, and two JV plants) and absorbing reduced EV pouch utilization. New ESS lines in ramp-up phase run below nameplate. The denominator is growing faster than the numerator during the transition. Management explicitly cited ESS ramp-up costs as a Q1 profitability drag. Net utilization in Q1 2026 could plausibly be flat or slightly lower than the 47.6% annual average. I cannot resolve this without quarterly data.
The cost of this gap is concrete. Utilization connects the demand story to the cost story. Without a quarterly figure, the 45X credit decline serves as an imperfect proxy for NA production volume, imperfect because credit recognition timing may not match production timing exactly. TrendForce may carry a quarterly estimate; it was not accessible for this piece.
Guidance vs. Actuals
LG provided no Q1-specific guidance at the Q4 2025 release. Full-year 2026 targets: mid-teen to 20% revenue growth YoY, mid-single-digit operating profit margin.
Q1 2026 delivered: revenue +4.8% YoY (KRW 6.3T → 6.6T), operating margin −3.1%.
Revenue growth is running at roughly a quarter of the low end of the full-year target. The margin is negative against a positive full-year target. For LG to hit mid-single-digit margin for FY 2026, the remaining three quarters need to average roughly +5–6% operating margin, implying quarterly OP in the KRW 350–450B range. The last quarter in that range was Q1 2025 (+KRW 375B), which included KRW 458B of 45X credits.
Management guided 10%+ QoQ revenue growth for Q2 2026 and maintained the full-year revenue target of 10–20% growth. They have not withdrawn the margin guidance. They acknowledged the full-year outlook is "difficult to forecast because of geopolitics and market volatility." Read that as the language that precedes a revision, even if it isn't one yet.
On the demand side: WardsAuto reported a $6.5B Ford contract cancellation in December 2025. LG's Q1 release makes no mention of Ford or any specific contract cancellation. The contract value is unverified. What is confirmed: pouch EV shipments to a major NA customer declined due to inventory adjustment. Whether this reflects temporary destocking or structural volume loss tied to a cancelled program cannot be distinguished from available disclosures.
The offensive signals are real and forward-dated. The 46-series backlog crossing 440 GWh (end-April 2026, with 100+ GWh added in Q1 alone) and the next-gen LFP ESS product (15% cost reduction, 2028 delivery start) represent genuine commercial traction. They are also 2027–2028 revenue events being booked against a 2026 P&L that is burning KRW 400B per quarter organically. Arizona 46-series production starts late 2026. Prismatic ESS cells targeting NA customers are slated for mass production at end of 2027 (AlphaSpread call summary). The backlog does not ship this quarter.
Sourcing Decision Frame
Is LG managing a transition, or absorbing a structural demand hole that ESS cannot fill on the current timeline?
The risk profile sharpened this quarter in a specific way. The underlying business improved marginally. The credit cushion that kept the headline manageable through mid-2025 is compressing toward irrelevance, with the rate of compression accelerating. If you are qualifying or maintaining LG as a supplier, the variable is timeline: can the ESS buildout (50+ GWh NA capacity, five sites) and 46-series ramp generate enough volume and margin contribution to close a ~KRW 400B quarterly organic gap before the 45X stream compresses further or faces policy risk? LG's own data shows ESS revenue share moving from under 10% to mid-20% in twelve months, which is real momentum. But the ESS lines are still absorbing ramp-up cost, still running below margin contribution. CapEx cuts of over 40% in 2026 (Q4 2025 IR) signal a company conserving cash, pulling in rather than building out. And the FY 2026 margin guidance, still officially mid-single-digit positive, requires a second-half recovery with no visible precedent in the trailing data.
A company with a credible destination and a structural gap in the middle of the journey. This quarter's data cannot resolve whether the cash flow holds through the transition at current burn rates. That is the procurement risk to price.
Things to follow up on...
- 45X segment-level split: LG disclosed no breakdown of the KRW 189.8B production incentive between EV and ESS lines, a gap that becomes critical as ESS capacity scales toward 50+ GWh in North America and the credit floor becomes a function of production mix rather than total volume.
- Samsung SDI's AMPC disclosure: NH Investment & Securities estimated Samsung SDI's Q1 2026 AMPC at KRW 84.9B pre-release, but the actual figure was not disclosed in English-language materials, leaving the comparative 45X decomposition across all three Korean makers incomplete.
- Quarterly utilization data: The FY2025 annual rate of 47.6% is too lagged to capture the ESS line ramp-up and EV pouch drawdown happening simultaneously in Q1, and TrendForce's quarterly estimate was not accessible for this cycle.
- Ford contract status: WardsAuto reported a $6.5B Ford cancellation in December 2025, but LG's Q1 release made no mention of it, and neither the contract value nor any replacement customer pipeline has been independently confirmed.

