SK Telecom faces carbon credit gap as AI data centers drive power surge in Korea
SK Telecom expects a carbon credit shortfall of 357,403 metric tons this year, requiring purchases at tripled prices. The company's emissions rose 16.7% since 2019, driven by AI data centers. Free permits fell 10.1% year-over-year, and costs may increase further with planned expansions and stricter regulations.
How this was made

The 30-second read
Why it matters
The disclosed shortfall forces SK Telecom to purchase permits at high prices, increasing operating expenses and possibly affecting profitability.
Market read
First public report of SK Telecom's carbon permit deficit and rising permit costs, a material cost driver for the telecom sector.
What to watch
Potential government subsidies for renewable energy adoption and the long‑term benefit of AI data‑center expansion.
Background
South Korea's emissions trading scheme has tightened, with free permit allocations decreasing and permit prices tripling year‑to‑date.
Market effects
Highlights rising carbon costs for telecom and data‑center heavy firms in Korea, potentially prompting sector‑wide efficiency drives.
May affect Korean equity indices, especially telecom and infrastructure stocks sensitive to carbon pricing.
Signals broader regulatory pressure on AI‑driven data centers, relevant for global tech firms with high electricity use.
Counterpoint
If SK Telecom successfully improves energy efficiency, the short‑term cost hit could be temporary and the stock may be undervalued.
Key entities
- companySK Telecom
Korean telecom operator facing a carbon permit shortfall.
- exchangeKorea Exchange (KRX)
Provides the current price of carbon permits.



