# Korea Power Exchange splits wholesale rates to curb Seoul factory load

*The market-rule revision decouples wholesale rates between Seoul and provincial hubs, penalizing factories in regions generating under 15% of their power.*

**Published:** November 13, 2026  
**By:** So-yeon Jung  
**Section:** Energy & Critical Minerals — South Korea  
**Format:** Policy Tracker  
**Confidence:** high  
**Source:** https://eastasiabrief.com/energy-minerals/korea-power-exchange-splits-wholesale-rates-curb-seoul-factory-1388  
**Publisher:** East Asia Brief (https://eastasiabrief.com/)

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## What to know

- KPX rule filing on Nov. 12 decouples wholesale power prices across Korean regional grids
- Samsung and SK hynix mega-fabs face zero tariff discount against 10% cuts in southern provinces
- Electricity Regulatory Commission reviews the LMP rule amendment on Dec. 18, 2026

![A technician inspects high-voltage transmission lines from a utility tower overlooking a power plant. (AI-generated image)](https://eastasiabrief.com/media/2026-11-13-e8935299cd4f.webp)
*A technician inspects high-voltage transmission lines from a utility tower overlooking a power plant. (AI-generated image)*

The Korea Power Exchange submitted emergency market-rule revisions on Nov. 12, 2026, to establish locational marginal pricing, decoupling wholesale electricity rates between Seoul and provincial power hubs.

Locational marginal pricing — a wholesale pricing mechanism that sets electricity rates based on local transmission congestion — penalizes power generation situated far from primary consumption centers, the exchange said.

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Cite as: East Asia Brief, "Korea Power Exchange splits wholesale rates to curb Seoul factory load," November 13, 2026. https://eastasiabrief.com/energy-minerals/korea-power-exchange-splits-wholesale-rates-curb-seoul-factory-1388