LGES's ex-incentive operating loss improved approximately KRW 57B QoQ to KRW -398B, the first reversal of the underlying deterioration since Q3 2025. Reported operating loss moved the other direction, deepening KRW 86B to KRW -208B, because the North America production incentive fell KRW 143B QoQ to KRW 190B. The underlying business inflected while the credit bridge eroded faster than the business healed. Both of those rates matter for anyone sizing LGES as a BESS cell supplier.
Trailing Decomposition
All figures KRW billions. USD equivalents use quarterly average KRW/USD from FRED DEXKOUS: Q2 2025 1,399.82; Q3 2025 1,386.95; Q4 2025 1,448.76; Q1 2026 1,465.57. Revenue uses LGES's Q1 2026 restated presentation, which reclassifies NA production incentives into revenue for all periods.
| Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | |
|---|---|---|---|---|
| Revenue | 6,056 (USD 4.33B) | 6,065 (USD 4.37B) | 6,474 (USD 4.47B) | 6,555 (USD 4.47B) |
| Reported operating profit (loss) | 492 (USD 0.35B) | 601 (USD 0.43B) | (122) (USD -0.08B) | (208) (USD -0.14B) |
| NA production incentive | 491 | 365 | 333 | 190 |
| Operating profit (loss) ex-incentive | 1 | 236 | (455) | (398) |
| Reported operating margin | 8.1% | 9.9% | -1.9% | -3.2% |
| Utilization | — ¹ | — ¹ | — ¹ | — ¹ |
| ASP direction | — ² | — ² | — ² | — ² |
| EV vs. ESS mix | — ³ | — ³ | — ³ | — ³ |
¹ LGES does not disclose quarterly utilization. Latest public figure: 47.6% for full-year 2025 (Seoul Economic Daily, from annual reports, measured by production value against capacity). ² ASP direction not disclosed in reviewed LGES English-language IR materials for any quarter in this window. ³ EV vs. ESS revenue split not disclosed as percentage or ratio. Qualitative commentary only.
Starting fiscal 2026, LGES moved NA production incentives into revenue and restated prior periods. Q4 2025 revenue appears as KRW 6,474B restated versus KRW 6,141B as originally reported. This compresses apparent QoQ revenue growth from 6.7% to 1.3%. Operating profit figures are unchanged. The table uses restated revenue throughout.
45X Isolation
The incentive series across the trailing four quarters: KRW 491B, 365B, 333B, 190B. That is a 61% decline from peak to trough. The Q1 drop of KRW 143B is the steepest single-quarter compression in the disclosed history, and KRW 190B is the lowest quarterly figure since LGES began breaking out the line item.
LGES attributes the decline to reduced EV pouch shipments caused by inventory adjustment at a major North American customer. LGES did not name the customer in the Q1 filing. The mechanism is mechanical: 45X pays $35/kWh for cells produced in the US. Fewer cells produced, fewer credits. Pouch format serves EV applications almost exclusively in LGES's North American footprint, so when the OEM destocks, the credit-generating volume contracts directly.
What separates Q1 from Q4 is the behavior of the underlying loss. In Q4, the incentive fell KRW 32B while the ex-incentive result collapsed KRW 691B, swinging from KRW 236B profit to KRW -455B loss. Both the subsidy and the business deteriorated simultaneously. Q1 reverses one vector: the incentive fell harder (KRW 143B versus KRW 32B), but the underlying loss narrowed KRW 57B. Incentive erosion accelerated. Underlying deterioration reversed direction.
A note on the Q3 2025 figure that anchors the Q4 swing: the ex-incentive KRW 236B profit in Q3 was anomalously strong relative to the surrounding quarters (KRW 1B in Q2, KRW -455B in Q4). The driver is not specified in reviewed English-language IR materials. The Q4 collapse of KRW 691B is therefore partly a function of Q3's unexplained outperformance. Readers should weight the Q4→Q1 improvement (KRW 57B narrowing from a loss) as a more structurally informative data point than the Q3→Q4 swing magnitude.
For the credit bridge to rebuild, LGES needs to replace lost EV pouch volume with ESS cell production. LFP cells produced at Holland, Lansing, or Spring Hill for BESS applications generate the same $35/kWh as NMC pouch cells. LGES is targeting 50+ GWh of NA ESS capacity across five sites by end-2026. The Q1 deck does not disclose how many GWh of ESS cells were actually produced in the quarter. Credit recovery remains a stated intention without quantifiable progress markers in the public filings.
One structural overhang: LGES does not disclose MACR compliance detail, constituent-material cost shares, or PFE-sourced material evidence for its credited output. MACR thresholds rise from 60% non-PFE content in 2026 toward 85% by 2030. Even if ESS volume recovers, the credit per kWh is not guaranteed at current levels.
Utilization Trend
LGES does not disclose quarterly utilization, which leaves the most important second-derivative read in this decomposition blank. The latest public figure is 47.6% for full-year 2025 (Seoul Economic Daily, from annual reports). The trailing annual series:
| Year | LGES | Samsung SDI | SK On |
|---|---|---|---|
| 2022 | 73.6% | 84% | 86.8% |
| 2023 | 69.3% | — | — |
| 2024 | 57.8% | — | — |
| 2025 | 47.6% | ~50% | ~48.7% |
The annual rate of decline decelerated marginally (10.2 percentage points in 2025 versus 11.5 in 2024), but the level is below 50% and the deceleration is slight. The collapse is industry-wide, not LGES-specific, but LGES started from a lower peak and now sits in the same band as its peers.
Without a Q1 2026 quarterly figure, precision is impossible. LGES's earnings commentary indicates EV pouch volume fell, cylindrical EV shipments were stable, and ESS demand was resilient. The structural observation worth isolating: LGES is simultaneously commissioning new ESS-dedicated capacity (Spring Hill, Honda JV) while seeking to fill it. New capacity expands the denominator. Even if absolute output rises on ESS ramp, the utilization rate can stay flat or decline until production catches up to the enlarged base. This is the standard pattern for a company mid-conversion, and it means utilization will likely lag the ESS pivot's actual progress rather than signal it in real time.
A measurement note: the Seoul Economic Daily utilization figure is calculated by production value against capacity, not GWh output against nameplate. Mix shifts between high-ASP NMC and lower-ASP LFP affect the reported rate independently of physical output. A plant converting from NMC to LFP could show lower utilization on a value basis while producing more cells. Any future quarterly disclosure from LGES should be checked against this denominator question.
Guidance vs. Actuals
LGES's Q4 2025 guidance for full-year 2026: mid-teen to approximately 20% YoY revenue increase, mid-single-digit operating margin including NA production incentive, capex reduction of more than 40% YoY, more than 90 GWh of new ESS orders, and ESS production capacity above 60 GWh globally with 80%+ in North America.
Q1 actuals against that frame: KRW 6,555B revenue at -3.2% operating margin with KRW 190B incentive. Annualized Q1 revenue gives roughly KRW 26.2T. Whether that implies 3.5% or 10.5% growth depends on whether you measure against restated 2025 revenue (KRW 25.3T including reclassified incentives) or originally reported 2025 revenue (KRW 23.7T). LGES has not clarified which base the mid-teen guidance references, and the KRW 1.6T gap between the two bases is material. Either way, annualized Q1 is below the low end of mid-teen.
The margin gap is wider. Mid-single-digit positive means approximately 4–6%. Q1 delivered -3.2%. Reaching 5% for the full year requires the remaining three quarters to average roughly 7–9% operating margin. That demands both incentive recovery through ESS volume and ramp-cost absorption as ESS sites move past initial yield penalties. Neither is confirmed in Q1 data.
LGES did not disclose Q1 ESS order additions against the 90 GWh annual target. The Q1 deck references an "additional ESS supply contract" and "expanding business cooperation with a strategic customer" without naming either. Separately, WSJ reported in March 2026 that Tesla and LGES partnered on a $4.3B Lansing LFP prismatic facility for Megapack 3, with production targeted for 2027. Whether this is the same arrangement as the unnamed Q1 contract is not confirmed in LGES's primary materials. Forward guidance for Q2 is qualitative only: stabilize North American operations, secure new ESS orders for power infrastructure and data centers, monitor EV demand recovery. No explicit revenue, margin, or volume targets for Q2 were found in reviewed English IR materials.
Sourcing Decision Frame
LGES remains the largest Korean ESS capacity candidate. Samsung SDI has the prismatic format moat for BESS buyers who require it, and SK On is operationally tethered to Hyundai's EV volumes, but neither has articulated an ESS ramp at LGES's stated scale. LGES is the only non-Chinese supplier with a credible path to 50+ GWh of NA LFP production across five sites within the next eighteen months.
Q1 confirms the underlying business stopped deteriorating at the Q4 rate. It also confirms the credit bridge that kept reported results near breakeven through mid-2025 has compressed to roughly 40% of its Q2 2025 level. The recovery mechanism depends on ESS production volume that LGES has not yet quantified publicly. For a buyer evaluating LGES as a BESS cell supplier, the risk profile has shifted in a specific way: strategic direction is clear and the underlying trajectory turned marginally positive, but the financial runway between here and volume ESS production is narrower than it was two quarters ago. Five sites, 50+ GWh target, unnamed contracts, undisclosed yields, unquantified ramp costs. The direction is credible. Execution evidence is accumulating more slowly than the subsidy cushion is thinning.
This analysis relies on LGES English-language IR materials. Korean-language earnings call transcripts were not reviewed and may contain additional detail on ESS order composition, utilization, and ASP trajectory.
- Samsung SDI's L&F deal: Samsung SDI signed a KRW 1.6 trillion LFP cathode supply agreement with L&F for StarPlus Energy in Indiana starting 2027, explicitly linked to PFE tightening, but the announcement discloses no MACR assumptions or 45X eligibility evidence.
- SK On ESS tender win: SK Innovation reported SK On secured 284 MW, or 50.3% of Korea's second ESS government tender, for delivery by end-2027, a meaningful domestic ESS foothold even as North American sales weakened QoQ.
- Chinese LFP cell pricing: ESS News reported that mainstream 314 Ah LFP storage cells rose more than 20% from CNY 0.300/Wh to CNY 0.365/Wh between late October 2025 and April 2026, a pricing backdrop that widens the window for Korean ESS entrants if it holds.
- MACR safe harbor deadlines: IRS Notice 2026-15 outlines material-assistance cost ratio mechanics and safe-harbor tables due by late 2026, which will determine whether LGES's credited LFP output survives PFE scrutiny as constituent-material thresholds tighten.