Samsung, SK Hynix Reject $18.7B Power Prepayment Proposal

South Korean semiconductor giants Samsung Electronics and SK Hynix have formally rejected an unprecedented power payment proposal from Korea Electric Power Corporation (KEPCO) calling for an upfront lump sum of approximately $18.7 billion. The payment was intended to cover five years of electricity fees in advance, aimed at financing KEPCO’s grid infrastructure expansion to support new semiconductor factories and AI data centers.

Details of KEPCO’s Prepayment Request

The proposal, disclosed in early September 2026, requested Samsung to prepay about 20 trillion South Korean won (roughly $14.6 billion) and SK Hynix to prepay about 5 trillion won (approximately $3.7 billion). These amounts are calculated based on the companies’ past annual electricity consumption projected over the next five years. According to publicly available figures, Samsung paid around 4.1 trillion won (~$3 billion) and SK Hynix about 900 billion won (~$659 million) in electricity bills in the previous year.

KEPCO’s motive behind this large upfront payment request is to secure funding to rapidly develop new transmission and distribution networks. These upgrades are critical to sustaining massive power demands from expanding semiconductor manufacturing plants in Yongin, Gyeonggi Province, and the Honam region, where new AI data centers are also planned.

Reasons Behind Samsung and SK Hynix’s Rejection

Reports from local South Korean media highlight that both Samsung and SK Hynix are wary of committing such substantial capital upfront amidst an uncertain semiconductor market outlook. They expressed concerns about whether the current semiconductor boom will continue steadily over the next five years, which makes tying up nearly $19 billion in advance payments risky.

Neither company publicly commented on the proposal. However, by declining, they have underscored the challenges utilities face trying to monetize infrastructure investments in an industry with volatile cycles. This rejection points to potential tension between large industrial power consumers and power utilities in South Korea regarding funding models for grid modernization.

Significance of the Proposal for South Korea’s Semiconductor Industry

The semiconductor sector is a pillar of South Korea’s economy, with Samsung and SK Hynix among the world’s top chip manufacturers. The proposed power infrastructure investments by KEPCO aim to support the rapid growth in semiconductor fabrication capacity needed to meet growing global demand for advanced chips, especially those used in artificial intelligence applications.

KEPCO is facing high debt levels exceeding 210 trillion won and daily interest obligations exceeding 11 billion won. The utility sees upfront payments from major industrial users as a way to accelerate investments while managing debt risks. If successful, this model could help ensure a stable and reliable power supply necessary for uninterrupted factory operations, supporting South Korea’s competitive edge in the global chip market.

What This Means for Investors and Industry Observers

Samsung and SK Hynix’s rejection of KEPCO’s upfront power payment plan signals caution in the semiconductor sector amid uncertain future demand and cost structures. Investors should watch how KEPCO adjusts its funding strategies and negotiations with large industrial users, as power infrastructure will remain a critical factor for capacity expansion.

Moreover, the progress of Korea’s semiconductor cluster developments in Yongin and Honam—both slated to receive gigawatts-scale power supplies by 2029 and beyond—will provide insights into how utilities and manufacturers navigate capital allocation for essential infrastructure amid evolving market conditions.

Finally, monitoring global semiconductor demand trends and government policies supporting green and resilient power grids will be essential to understand risks and opportunities for major players like Samsung and SK Hynix.