PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩0 per share · Prices as of the 2026-10-02 close
Dongkuk S&C swung to an operating profit in 2025, but a 2026 production slowdown has driven sharp revenue declines and widening net losses, testing the durability of its recovery.
2025 consolidated operating profit reached KRW 6.94 billion, turning positive from the prior year's loss, even as revenue fell 27.8%.
A roughly one-month wind tower production halt in late 2025, aimed at cutting fixed costs, weighed on first-half 2026 revenue.
In June 2026 the company secured a KRW 31.6 billion wind tower supply contract with Vestas for the US market, signaling order momentum.
Net losses attributable to owners widened sharply in the first two quarters of 2026, exceeding operating losses and pointing to renewed non-operating drag.
A prolonged domestic construction slump and US tariff conditions remain key swing factors for the renewable and construction segments.
Dongkuk S&C was established in 2001 when the steel structure, construction, and renewable energy divisions were spun off from Dongkuk Industries, and it now operates three business segments: renewable energy, steel, and construction.
The renewable energy segment, centered on onshore wind towers and offshore wind substructures, is the company's core revenue source.
This segment's customer base has historically included global turbine makers such as GE, Vestas, Siemens Gamesa, and Nordex-Acciona, with the United States as its traditional main export market.
The steel segment produces steel structures for bridges, industrial facilities, and building frames, while color-coated steel is handled through its subsidiary DK Dongsin.
Its main subsidiary is DK Dongsin, with most revenue generated from the renewable energy segment through sales of wind towers and offshore wind substructures. The construction segment carries out civil and building projects such as officetels, plants, and industrial complexes, and also handles wind farm construction.
In June 2026 the company signed a roughly KRW 31.6 billion wind tower supply contract with Vestas Manufacturing, equivalent to about 26.3% of last year's consolidated revenue, for delivery to the US market.
The renewable energy segment has seen profitability improve owing to sustained quality from high specifications and skilled welding technology, while the construction segment's profitability remains constrained by interest rate volatility and supply chain instability.
| Quarter | Revenue | Operating profit | Op. margin |
|---|---|---|---|
| 2025Q2 | ₩32.4B | ₩4B | 12.4% |
| 2025Q3 | ₩32.6B | -₩200M | −0.6% |
| 2025Q4 | ₩9.5B | -₩3.2B | −33.8% |
| 2026Q1 | ₩15.8B | -₩1B | −6.3% |
| 2026Q2 | ₩5B | -₩3.1B | −60.8% |
| Year | Revenue | Operating profit | Net income (parent) | Op. margin | ROE | Debt-to-equity |
|---|---|---|---|---|---|---|
| 2022 | ₩477.1B | -₩11.4B | -₩7.8B | −2.4% | −3.0% | 79.6% |
| 2023 | ₩398.3B | -₩31.8B | -₩30.2B | −8.0% | −13.3% | 89.5% |
| 2024 | ₩165.8B | -₩5.5B | -₩40.2B | −3.3% | −21.5% | 65.8% |
| 2025 | ₩119.7B | ₩6.9B | -₩1.7B | 5.8% | −0.9% | 38.1% |
Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-08-23
Annual results show a pattern of shrinking revenue alongside improving operating profitability. Revenue fell for three straight years, from KRW 477.1 billion in 2022 to KRW 398.3 billion in 2023 and KRW 165.8 billion in 2024, before declining a further 27.8% to KRW 119.7 billion in 2025.
Operating profit, however, swung from a loss of KRW 5.5 billion in 2024 to a profit of KRW 6.9 billion in 2025, with the operating margin improving from -3.3% to 5.8%.
The company attributed the revenue decline to a prolonged domestic construction slump and reduced US wind tower demand due to high tariffs, while the narrower net loss (from KRW 39.8 billion in 2024 to KRW 1.7 billion in 2025) was linked to a large drop in non-operating expenses following a decrease in construction-related provisions.
Recent quarters, however, have diverged from that trajectory.
Revenue plunged from KRW 32.6 billion in Q3 2025 to KRW 9.5 billion in Q4 2025, coinciding with a roughly one-month wind tower production halt implemented at the end of last year, at which time the company said it expected first-half 2026 revenue to decline somewhat while profitability would improve through cost savings.
In practice, however, the revenue recovery in Q1 2026 (revenue KRW 15.8 billion, operating loss KRW 1.0 billion, owners' net loss KRW 4.2 billion) and Q2 2026 (revenue KRW 5.0 billion, operating loss KRW 3.1 billion, owners' net loss KRW 12.8 billion) was limited, and losses widened instead.
In Q2 2026 in particular, the gap between the operating loss (KRW 3.1 billion) and the owners' net loss (KRW 12.8 billion) widened substantially — a pattern worth monitoring given that an impairment charge on a 22.4% equity stake in affiliate Dongkuk R&S previously widened net losses in a similar way.
Cumulative owners' net loss over the most recent four quarters (Q3 2025–Q2 2026) stands at roughly KRW 17.8 billion, indicating the company remains in a net loss position even on a trailing annualized basis.
The global wind industry remains in a structural growth phase.
Market research indicates that global wind installations reached a record 117GW in 2024, with annual growth of roughly 10.7% expected from 2025 through 2030, and in particular the offshore wind market is projected to grow at 15.8% or more annually through 2030, roughly tripling global capacity.
The domestic market also carries policy-driven expectations, with the wind market forecast to grow about 8.8% annually through 2030 and offshore wind demand expected to rise domestically as South Korea targets a 33% renewable energy share by 2036.
However, the trade environment in the United States, Dongkuk S&C's core market, remains a swing factor.
The company itself noted that high tariffs have reduced US demand for its wind towers, even as its comparatively favorable antidumping and countervailing duty rate relative to some competing exporting countries has long been cited as a structural competitive edge.
On the competitive front, the company competes with larger domestic and global tower and substructure makers while continuing efforts to expand into new product lines such as offshore wind substructures.
In terms of the industry cycle, Dongkuk S&C passed through a period of sharp revenue contraction and heavy net losses in 2023–2024, showing a bottoming signal with the 2025 operating profit turnaround, but first-half 2026 results suggest that recovery has not yet become firmly established.
The steel segment, which includes color-coated steel handled by subsidiary DK Dongsin, also remains exposed to the broader slowdown in domestic construction and appliance demand.
In the near term, the most important variable is when and to what extent the effects of the early-2026 production halt will unwind.
The company had signaled profitability improvement through cost savings following the temporary production adjustment aimed at cutting fixed costs, but results through the second quarter show that a clear revenue recovery has yet to materialize.
The KRW 31.6 billion Vestas supply contract, equal to about 26.3% of last year's revenue and destined for the US market, could feed into results in the second half and beyond once delivery and revenue-recognition timing become clearer.
The renewable energy segment continues to see profitability improve on sustained product quality, suggesting it could anchor a recovery if production normalizes.
The construction segment, however, remains constrained by structural factors such as interest rate volatility and supply chain instability, making a significant near-term improvement there less likely.
Over the medium to long term, policy and industry momentum around expanding domestic and global offshore wind markets exists, but the timing and scale at which this converts into actual orders and revenue have not yet been concretely confirmed.
On the balance sheet, total liabilities of KRW 70.7 billion versus total equity of KRW 185.6 billion at end-2025 brought the debt ratio down to 38.1%, a buffer factor, though continued net losses in the first half of 2026 raise the possibility that this improvement could partially reverse.
Dongkuk S&C has seen its equity base gradually erode amid repeated revenue contraction and net losses in recent years, and as a result its shares trade at a notable discount to book value per share.
Even though operating profit turned positive in 2025, the company remains in a net loss position, which limits the usefulness of conventional earnings-based multiple comparisons at this stage.
With owners' net losses persisting on a trailing four-quarter basis as well, any profit recovery still appears to be in a confirmation stage rather than an established trend. On dividends, no payout has been recorded in the most recent fiscal year, leaving little to reference from a shareholder-return standpoint.
Ultimately, the current relationship between the share price and net asset value can be read as reflecting past earnings weakness and equity contraction, and the future direction of valuation is likely to depend heavily on whether production normalizes and profitability improvement proves durable.
PER, EPS, PBR and BPS are all calculated in-house (the same method as Naver and Toss) · Dividend yield = cash dividend per share from DART filings (supplemented by KRX) ÷ current price · As of 2026-08-23
Dongkuk S&C's relatively favorable antidumping and countervailing duty rate versus competing exporting countries has long been cited as a competitive edge. In June 2026 the company signed a KRW 31.6 billion wind tower supply contract with Vestas for the US market, equal to about 26.3% of last year's revenue. Continued order wins of this kind could broaden the revenue base from the second half onward.
Consolidated operating profit reached KRW 6.9 billion in 2025, turning positive from the prior year's loss, with the operating margin improving from -3.3% to 5.8%. Non-operating expenses also fell sharply following a decrease in construction-related provisions, narrowing the net loss as well. The renewable energy segment continues to see profitability improve based on quality management.
The company has invested in expanding beyond its core onshore wind tower business into the offshore wind substructure market.
With the global offshore wind market projected to grow more than 15.8% annually through 2030 and roughly triple in capacity, a successful new business could become a medium-to-long-term revenue diversification factor.
Domestically as well, offshore wind demand is expected to rise as South Korea targets a 33% renewable energy share by 2036.
After the roughly one-month production halt at the end of 2025, the company had signaled profitability improvement through cost savings, but operating losses continued into Q1 2026 (KRW 1.0 billion) and Q2 2026 (KRW 3.1 billion).
Revenue also fell sharply, from KRW 32.6 billion in Q3 2025 to KRW 5.0 billion in Q2 2026, with recovery still limited. The promised profitability improvement appears to need more time before it shows up in the actual numbers.
Q2 2026 saw an operating loss of KRW 3.1 billion but an owners' net loss of KRW 12.8 billion, a substantial gap. Given that an impairment charge on an affiliate equity stake previously widened net losses in the past, a recurrence of similar non-operating items could increase forecasting uncertainty. This makes it difficult to judge overall profit trends from operating metrics alone.
The construction segment continues to face limited profitability due to interest rate volatility and supply chain instability. As the company itself noted, a prolonged construction slump was one of the main factors behind the overall revenue decline. Weakness in this segment could offset any recovery effect from the renewable energy segment.
The United States is Dongkuk S&C's core market for wind towers, and as the company itself stated, high tariffs directly reduced US demand. Any future recalculation of duty rates or shifts in trade policy could again affect export competitiveness and order flow. Outcomes of periodic antidumping and countervailing duty review processes warrant ongoing monitoring.
Net income posted consecutive losses from 2022 through 2025, and total equity shrank from around KRW 280 billion to about KRW 185.6 billion over that period. With net losses continuing into the first half of 2026, further weakening of the equity buffer is possible if this trend persists.
The debt ratio of 38.1% at end-2025 looks favorable, but this partly reflects a shrinking asset and equity base, warranting cautious interpretation.
In the past, an impairment charge of roughly KRW 6.4 billion was recognized on a 22.4% equity stake in affiliate Dongkuk R&S, widening net losses. If the value of affiliate holdings or the affiliates' financial condition deteriorates again, a recurrence of similar non-operating losses cannot be ruled out. This suggests that operating profit improvement may not directly translate into net profit improvement.
Check the Q3 2026 earnings disclosure — key points are the pace of revenue recovery after production normalization and whether the gap between operating and net losses narrows.
Check whether and when revenue recognition begins for the KRW 31.6 billion Vestas supply contract, to see if it translates into a recovery signal for US-bound revenue.
Check the start-up timing and initial order performance of new offshore wind substructure production facilities to gauge whether business diversification is actually progressing.
Monitor whether cumulative net income turns positive and whether the decline in total equity halts, tracked through the next several quarters of results.
Dongkuk S&C showed bottoming signals in 2025 with an operating profit turnaround and a narrower net loss, but the first half of 2026 saw revenue drop sharply amid production adjustments and net losses widen again, leaving the durability of the recovery unconfirmed.
The new KRW 31.6 billion Vestas contract demonstrates US order momentum, but when it actually translates into recognized revenue and improved earnings remains to be seen.
Structural weakness in the construction segment and the possibility of recurring affiliate-related non-operating losses are variables that need to be weighed alongside operating performance when assessing earnings quality.
On the balance sheet, a lower debt ratio is partly a byproduct of a shrinking equity base, making it difficult to read as a straightforward improvement.
Overall, the stock sits at an intersection of industry growth potential (expanding global and domestic wind markets) and company-specific earnings uncertainty (production-adjustment effects, non-operating loss volatility), and the coming quarters' results and order flow will likely provide important clues on the direction ahead.
Report written 2026-09-05 · Data as of 2026-09-04
This content is AI analysis of market data and web search results, provided for information only. It is not a solicitation or recommendation to invest. Investment decisions and their consequences are the investor's own responsibility. Data may be delayed or contain errors.