Financial results show stabilization after a net loss in 2023, with profitable quarters emerging in 2025 and 2026. Revenue is generally steady but margins have been volatile due to rising cost of revenues and notable swings in other income and expenses. Operating income margins remain slim, reflecting pressure on core profitability.

Revenue hovers around KRW 22-27 trillion quarterly, driven by consistent electricity demand. However, escalating costs mainly from energy procurement and operational expenses constrain gross profit expansion. The pricing environment under regulation limits top-line growth potential despite stable revenues.

Gross margin has oscillated from negative territory in 2023 to low single digits recently, with EBITDA margins around 20-30%. Operating margins improved to mid-single digits but remain tight due to high depreciation, amortization, and interest expenses. Net margin recovery is slow and fragile given the cost structure.

Earnings quality is moderate but impacted by non-operating losses and significant interest expenses, reflecting leveraged capital structure. The positive turnaround from loss to profit signals improvements but the vulnerability to external shocks and regulatory risks temper confidence in earnings sustainability.

Year-over-year revenue growth has been flat to slightly positive, with quarterly revenues showing minimal growth due to regulated tariffs and mature market. For example, 2026 Q2 revenue declined about 10% from 2026 Q1, indicating some volatility.

EPS surged from losses in 2023 to positive territory through 2025 and first half of 2026, although recent quarters reveal a decline, with Q3 2026 EPS at 0.14 KRW compared to 1.33 in Q1 2026. This flat-to-declining recent trend suggests sluggish earnings growth momentum.

Growth is primarily supported by steady electricity demand and government infrastructure investments. However, limited tariff increases and rising input costs restrain sustainable top-line and bottom-line expansion.

Growth is largely organic from core operations with no major acquisitions reported. The sustainability of earnings growth is challenged by industry regulation, cost pressures, and macroeconomic challenges impacting fuel prices and financing costs.

Gross margin recovered from negative -2.5% in 2023 to about 8.6% in mid-2026 but remains modest. EBITDA margins peaked around 31% in Q1 2026 and declined thereafter to near 20%. Operating income margins hover between 5-15%, underlining pressure on profitability.

ROE and ROA figures are not directly provided, but net income ratios of approximately 1-10% in recent quarters suggest ROE is still recovering but remains low relative to equity size. The negative 2023 results imply a recent trough before gradual recovery.

Margins appear fragile given the reliance on stable regulatory tariffs and exposure to cost fluctuations in fuel and financing. Without structural tariff changes or cost savings, margin improvements may be limited.