KOSPIElectrical Equipment062040

Sanil Electric

₩226,500▲ 6.09%2026-10-02 close

Market Cap

₩7T

Turnover

₩94.5B

Volume

430,000 shares

Shares out.

30.6M

PER

32.4×

PBR

8.8×

EPS

₩5,918

Dividend Yield

0.65%

PER, EPS, PBR and BPS are calculated in-house from the last 4 quarters (2025Q3–2026Q2) · Dividend yield is based on ₩1,250 per share · Prices as of the 2026-10-02 close

Report overview

Specialty Transformer Margins and Capacity Buildout Under Test

Sanil Electric is sustaining mid-30% operating margins and record quarterly revenue on a specialty transformer mix for data centers and renewables, while facing execution tasks in extra-high-voltage entry and third-plant expansion alongside North American concentration and tariff variables.

1
On confirmed figures, revenue rose from KRW 214.5bn in 2023 to KRW 334.0bn in 2024 and KRW 501.9bn in 2025, growing over 50% for two straight years, while the operating margin climbed from 21.7% to 32.7% and then 35.6%.
2
Over the latest four quarters (3Q25 to 2Q26), revenue rose sequentially from KRW 132.7bn to KRW 142.1bn, KRW 150.3bn and KRW 164.2bn, with 2Q26 operating profit of KRW 62.0bn marking a record quarterly level.
3
New orders of KRW 243.5bn and a backlog of KRW 556.7bn in 2Q26 pushed quarterly orders above KRW 200bn for the first time, against company annual order guidance of KRW 700bn.
4
Single contracts have scaled up, including KRW 50.3bn from Bloom Energy and KRW 51.2bn from TMEIC USA, confirming entry into the data center and on-site power value chain through actual orders.
5
On the other hand, the product line is concentrated in distribution transformers up to 72kV with no extra-high-voltage line, and under the revised US Section 232 framework distribution-class units were excluded from the rate cut, leaving structural vulnerabilities in product mix and tariffs.

Business structure

Founded in 1994, Sanil Electric is a specialized transformer manufacturer whose business is split into a power equipment division (Sanil Electric) and a renewable energy division (Sanil Energy).

The core power equipment division manufactures industrial transformers, including power and distribution transformers, and targets the distribution transformer market handling voltages up to 72kV as its main addressable market.

End demand splits into three streams: renewables and energy storage systems, transmission and distribution grids, and data centers.

The company positions data centers, grids and renewables as its three main fields on the back of specialty transformers, aiming at a total transformer solution spanning distribution to transmission applications. Segment weightings fluctuate considerably by period.

In a February 2026 report, SK Securities tallied 4Q25 revenue of KRW 82.8bn from renewables and data centers and KRW 53.8bn from the grid segment, with the backlog at that point composed of 75% renewables, 20% grid and 5% industrial.

In an August 2026 report, IBK Investment & Securities noted that while general grid transformer revenue kept declining, specialty transformers for renewables, data centers and energy storage grew sharply, taking the specialty share of new orders and backlog to roughly 90%.

The customer base is heavily weighted to North America, and Shinhan Securities characterized the recent Bloom Energy award as follows: the KRW 50.3bn order is seen as the first meaningful award from a data center power developer, with unit pricing roughly 1.5 times higher than renewable-use products.

In the competitive landscape, product lines diverge from the larger players.

Hyosung Heavy Industries, HD Hyundai Electric and LS ELECTRIC already hold extra-high-voltage transformer capacity, whereas Sanil Electric remains centered on a lower-voltage distribution portfolio, a structural gap the company aims to address by entering the 154kV extra-high-voltage class over the medium term.

Earnings trend

Quarterly revenue · Operating profit

25Q2₩132.7B₩42.6B25Q3₩142.1B₩52.4B25Q4₩150.3B₩55.5B26Q1₩164.2B₩62B26Q2

RevenueOperating profit

Annual revenue · Operating profit

₩214.5B₩46.6B2023₩334B₩109.2B2024₩501.9B₩178.6B2025

RevenueOperating profit

Quarterly results · Last 5 quarters
Quarter	Revenue	Operating profit	Op. margin
2025Q2	—	—	—
2025Q3	₩132.7B	₩42.6B	32.1%
2025Q4	₩142.1B	₩52.4B	36.8%
2026Q1	₩150.3B	₩55.5B	36.9%
2026Q2	₩164.2B	₩62B	37.8%

Annual results
Year	Revenue	Operating profit	Net income (parent)	Op. margin	ROE	Debt-to-equity
2023	₩214.5B	₩46.6B	₩39.1B	21.7%	31.0%	51.9%
2024	₩334B	₩109.2B	₩83.7B	32.7%	19.3%	13.5%
2025	₩501.9B	₩178.6B	₩148.9B	35.6%	25.4%	16.5%

Consolidated basis (financial statements including subsidiaries) · Final figures from DART filings · Net income attributable to owners of the parent · Data as of 2026-09-04

Earnings analysis

Confirmed results show three consecutive years of high growth. Revenue rose from KRW 214.5bn in 2023 to KRW 334.0bn in 2024 (up about 55.7% year on year) and KRW 501.9bn in 2025 (up about 50.3%), while operating profit expanded from KRW 46.6bn to KRW 109.2bn and then KRW 178.6bn.

The operating margin stepped up from 21.7% in 2023 to 32.7% in 2024 and 35.6% in 2025, meaning revenue growth came with margin expansion. Net profit attributable to owners also grew from KRW 39.1bn to KRW 83.7bn and KRW 148.9bn.

Quarterly, revenue and profit rose together for four straight quarters: KRW 132.7bn and KRW 42.6bn in 3Q25, KRW 142.1bn and KRW 52.4bn in 4Q25, KRW 150.3bn and KRW 55.5bn in 1Q26, and KRW 164.2bn and KRW 62.0bn in 2Q26.

The quarterly operating margin improved from 32.1% in 3Q25 to 37.8% in 2Q26, though one-off items were mixed into the quarter-to-quarter margin swings.

In a February 2026 report, SK Securities explained that despite KRW 1.5bn in year-end bonuses, gross margin benefited as receivables previously written down in 3Q25 were collected, and in a May 2026 report Eugene Investment & Securities assessed that even without price increases to customers since 2022, the operating margin has steadily improved through process automation, optimization and labor allocation.

On the balance sheet, end-2025 equity stood at KRW 585.5bn against liabilities of KRW 96.5bn for a debt-to-equity ratio of 16.5%, while operating cash flow jumped from KRW 15.5bn in 2024 to KRW 115.5bn in 2025, reflecting both earnings growth and the capacity investment cycle.

Net profit attributable to owners over the latest four quarters totaled KRW 180.3bn, already exceeding the full-year 2025 figure.

Industry analysis

The end market remains in a supply-shortage phase.

KOTRA-based tallies indicate that US transformer import dependence exceeds 80% and procurement lead times have stretched from around one year previously to a minimum of three and up to four years, while IBISWorld estimates the 2026 US electrical equipment market at USD 81.4bn, up 7.8% year on year, with transformers accounting for about USD 16.0bn.

The demand axis is broadening from aging grid replacement to artificial intelligence data centers, and the International Energy Agency projects global data center power consumption to more than double from 415TWh in 2024 to 945TWh in 2030. Tariff treatment, however, diverges by product.

In an April 2026 report, SK Securities analyzed that extra-high-voltage transformers were placed in Annex III for a temporary reduction to 15%, while distribution transformers and power cables fell under Annex I-B at 25%, little changed from prior burdens and therefore neutral in impact.

Given that Sanil Electric's core lies in distribution class, the direct benefit from the tariff overhaul reads differently than for extra-high-voltage-centric majors. Its competitive position rests on margin and product specialization rather than scale.

In a July 2026 article, the Korea Economic Daily reported that Sanil Electric's expected operating margin this year is 37.2%, against 10-20% averages for Korea's big three power equipment makers focused on extra-high-voltage transformers.

Still, the gap in absolute order scale remains wide, as the three major Korean power equipment firms booked over KRW 7trn of new orders in 1Q26 alone, lifting their combined backlog past KRW 32trn.

Outlook

Orders and capacity are the verifiable axes.

In an early September 2026 article, the Korea Economic Daily reported that 2Q26 orders rose 163% year on year to KRW 243.5bn, exceeding KRW 200bn in a quarter for the first time, while first-half cumulative orders grew 61% year on year, raising the likelihood of beating the KRW 700bn annual order guidance.

Single-contract sizes have also grown.

On August 20, 2026 the company disclosed a KRW 51.2bn contract with TMEIC USA to supply inverter reactors for a large US solar project, surpassing the KRW 50.3bn data center distribution transformer contract signed with Bloom Energy in April as its largest single order, with a contract term running from August 17, 2026 to August 26, 2027.

On capacity, the company resolved on August 26, 2026 to acquire land and buildings in Ansan, Gyeonggi Province for KRW 69.25bn, with the stated purpose of securing extra-high-voltage transformer production facilities and expanding output of existing products.

The third plant is designated for 154kV extra-high-voltage transformers, targeting groundbreaking between late 2026 and 1Q27 and production start within 2028, with annual capacity equivalent to KRW 150bn-200bn in revenue.

In an August 31, 2026 report, KB Securities projected that annual capacity, currently around KRW 600bn-700bn, could expand to a maximum of KRW 1.2trn by 2028.

Brokerage estimates have also been trending higher: in the same report KB Securities presented 2026 revenue of KRW 696.3bn and operating profit of KRW 260.9bn, and 2027 revenue of KRW 891.9bn with operating profit of KRW 340.9bn, while Korea Investment & Securities forecast 2026 revenue of KRW 681.0bn and operating profit of KRW 252.3bn in a June 4, 2026 report.

These are estimates rather than company-confirmed figures, and data center customer expansion still includes discussions over test-volume deliveries, so the pace of conversion into actual orders is the key variable.

Valuation

PER

32.4×

PBR

8.8×

ROE

31.1%

EPS

₩5,918

BPS

₩21,731

Dividend per share

₩1,250

The price-to-earnings multiple has moved alongside rapidly rising confirmed earnings since listing, with profit growth and multiple shifting together.

On confirmed results, profit has increased for three straight years since 2023, and the sum of the latest four quarters' net profit already exceeds the full-year 2025 figure, so the earnings base itself is expanding.

That said, the current multiple sits in a range carrying a large premium to net assets, and relative to Korea's larger power equipment names it trades at a level reflecting both a growth and a margin premium.

The company pays a dividend, but the yield runs below the market average, with cash prioritized toward capacity investment.

Brokerage views differ: in an early September 2026 report LS Securities stated that the 2027 estimated price-to-earnings ratio is below the average of global peers, and the multiple applied in its target price calculation is discounted versus the peer average on a target-price basis; on target prices, KB Securities initiated at KRW 300,000 in an August 31, 2026 report, while IBK Investment & Securities raised its figure to KRW 220,000 in an August 10, 2026 report.

Given the wide dispersion in target prices, it is worth noting that assessments diverge depending on how much order momentum and capacity expansion effects are reflected.

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 2026-09-04

Bull factors

Mid-30% margins validated by mix improvement

On confirmed results, the operating margin rose from 21.7% in 2023 to 32.7% in 2024 and 35.6% in 2025, reaching roughly 37.8% in 2Q26. In a May 2026 report, Eugene Investment & Securities assessed that the operating margin has steadily improved through process automation and optimization even without price increases.

With IBK Investment & Securities noting in an August 2026 report that specialty transformers account for roughly 90% of new orders and backlog, the structure in which product mix supports margins remains intact. Though smaller in scale than the majors, its profitability metrics stand in a differentiated position.

References secured in data centers and on-site power

Single-order sizes have grown with the KRW 50.3bn Bloom Energy contract disclosed in April 2026 and the KRW 51.2bn TMEIC USA reactor contract in August.

In an August 31, 2026 report, KB Securities analyzed that roughly 30% of 2Q26 new orders of KRW 243.5bn is believed to come from Bloom Energy, presumed to be step-up specialty transformers used with fuel-cell on-site generation.

The same report stated that securing references with a core customer is expected to lead to broader orders from other customers.

Shinhan Securities material cited by Financial Consumer News also mentioned that beyond Bloom Energy, the company has received product requests from more than ten North American data center developers and is planning long-term partnerships with the top two or three.

Pre-emptive expansion backed by internal funding

The debt-to-equity ratio stood at 16.5% at end-2025 and operating cash flow expanded from KRW 15.5bn in 2024 to KRW 115.5bn in 2025, underpinning the capacity to self-fund expansion.

The KRW 69.25bn land and building acquisition resolved on August 26, 2026 equals 10.15% of total assets, and the third plant is targeted for groundbreaking between late 2026 and 1Q27 with production start within 2028.

In an August 31, 2026 report, KB Securities stated that capacity of up to KRW 1.2trn could be secured by 2028. In a market with extended lead times, capacity is cited as a core variable in order competition.

Bear factors

No extra-high-voltage line and a narrow portfolio

In a July 2026 article, IB Tomato pointed out that unlike peers, the company lacks extra-high-voltage transformer production facilities, making portfolio expansion a pending task.

Hyosung Heavy Industries, HD Hyundai Electric and LS ELECTRIC were tallied as holding extra-high-voltage transformer capacity of KRW 1.5trn, KRW 1.59trn and KRW 425bn respectively.

Entry into 154kV via the third plant targets 2028 operation and therefore takes time, and it was assessed that since competitors are already aggressively expanding extra-high-voltage capacity, any delay in the production schedule could work against order acquisition. Entering a new voltage class also requires certification and testing procedures.

Concentration in North America and specific customers

Regional and customer concentration in orders is a structural variable. In an August 31, 2026 report, KB Securities analyzed that roughly 30% of 2Q26 new orders of KRW 243.5bn is believed to relate to Bloom Energy, a figure that illustrates single-customer dependence.

Previously, North America accounted for over 80% of new orders, so any slowdown in US data center and renewable investment could feed directly into order flow. The fact that the on-site power value chain is itself a recently formed market adds volatility.

Relative disadvantage for distribution class under tariffs

The US Section 232 overhaul produced divergent effects by product.

In an April 2026 report, SK Securities analyzed that distribution transformers and power cables were placed in Annex I-B at a 25% tariff, little different from prior burdens and therefore neutral in impact, while expecting that HD Hyundai Electric and Hyosung Heavy Industries, which can produce extra-high-voltage transformers locally in the US, would benefit.

With production based mainly in Korea, Sanil Electric sits relatively far from any local-production premium. There is also precedent for grid segment revenue wobbling as shipment schedules were adjusted during tariff negotiations, so tariff variables can affect earnings timing.

Risk factors

Policy and trade

The preferential 15% rate applies through end-December 2027, with extension dependent on US supply chain conditions and trade policy shifts, and additional tariff measures cannot be ruled out given the administration's active use of Sections 232 and 301.

Distribution class already sits in the 25% bracket, so further adjustments could increase cost and pricing negotiation burdens. In an August 2025 article, The Public reported concerns that prolonged high tariffs could erode profitability and add pressure for further price negotiations with customers. Policy shifts affecting renewables are another variable that can influence demand.

Expansion execution

The third plant is reported to be targeting groundbreaking between late 2026 and 1Q27 and production within 2028, with annual capacity equivalent to KRW 150bn-200bn in revenue.

Delays in construction or completion could push back the timing of order fulfillment, and a new extra-high-voltage line requires testing, certification and skilled labor in addition to equipment.

The industry notes that extra-high-voltage transformers are a custom-order business taking one to three years on average from design through testing and certification, so capacity normalization takes time even after expansion.

The impact of higher depreciation and fixed costs following the large asset acquisition on margins also needs monitoring.

End-market investment cycle

A substantial share of demand is tied to US data center and renewable investment, so adjustments to investment plans could change the pace of orders. Indeed, in 2025 there was a stretch when shipments of transmission and distribution grid transformers declined due to customer inventory management.

With specialty transformers now a larger share, order delays in a specific end industry can translate directly into earnings volatility. In addition, part of the data center business remains at the stage of discussions over test-volume deliveries, so conversion into contracts and its timing are not yet confirmed.

What to watch next

Late October to early November 2026
Third-quarter 2026 results will be disclosed along with new orders and backlog. Key checks are whether the momentum from 2Q new orders of KRW 243.5bn and a KRW 556.7bn backlog continues, and whether the quarterly operating margin holds near the 37.8% level seen in 2Q.
Fourth quarter of 2026
Whether the company's KRW 700bn annual order guidance is met will become clear. With first-half cumulative orders up 61% year on year, disclosures of large second-half contracts will determine whether guidance is exceeded or missed.
Late 2026 to first quarter of 2027
The groundbreaking timing and investment schedule for the 154kV extra-high-voltage third plant are the items to verify. Whether construction starts on plan and whether the 2028 operation target and the KRW 150bn-200bn annual capacity plan hold will determine the substance of the extra-high-voltage entry story.
First half of 2027
This is when delivery and revenue recognition of the KRW 50.3bn Bloom Energy contract and progress on the KRW 51.2bn TMEIC USA reactor contract (running to August 26, 2027) can be checked. Whether these lead to repeat orders or remain one-offs will show the durability of the data center value chain entry.
Second half of 2027
This is when discussions on extending the temporarily reduced US Section 232 rates ahead of their end-December 2027 expiry should take shape. Any change to the tariff bracket for distribution-class transformers and the terms of cost sharing with customers should be checked for their effect on cost and pricing structures.

Overall view

On confirmed results, Sanil Electric has a track record of growth and margins moving together, with revenue rising from KRW 214.5bn in 2023 to KRW 501.9bn in 2025 and the operating margin climbing from 21.7% to 35.6%.

Revenue over the latest four quarters rose sequentially from KRW 132.7bn to KRW 164.2bn, cumulative net profit attributable to owners exceeded the full-year 2025 figure, and an end-2025 debt-to-equity ratio of 16.5% with operating cash flow of KRW 115.5bn point to a structure that can fund expansion internally.

Growth drivers are broadening from renewables and energy storage toward data centers and on-site power, supported by verified facts such as the KRW 50.3bn Bloom Energy and KRW 51.2bn TMEIC USA contracts and the KRW 69.25bn third-plant asset acquisition resolved in August 2026.

Conversely, the core lineup is concentrated in distribution transformers up to 72kV with no extra-high-voltage line, and distribution class was excluded from the rate cut in the US Section 232 overhaul, leaving conditions different from majors with local production bases.

North American concentration in orders, single-customer weighting, the third plant's construction and certification timeline, and the temporary nature of tariff relief all remain open variables.

Brokerage target prices vary widely, with KB Securities presenting KRW 300,000 on August 31, 2026 and IBK Investment & Securities KRW 220,000 on August 10, 2026, and assessments diverge depending on how much order momentum and capacity expansion effects are reflected.

Ultimately, three verification points, quarterly order and backlog trends, margin sustainability, and the third plant's schedule, will determine which side of the bull and bear arguments carries more weight.

Sources

Korea Exchange (KRX) — Prices · Market Cap · Volume
FSS electronic disclosure system (DART) — Financial statements · Dividend filings

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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.