Why did TEPCO stock rise today?

The stock gained after TEPCO restarted Kashiwazaki-Kariwa Unit 6 on January 21, reaching criticality the same evening. Investors expect lower fuel costs and steadier baseload output once commercial operation begins, targeted for February 26. Higher confidence in earnings and cash flow supported the move, though policy and storage risks remain.

What are the key dates for TEPCO after the restart?

Watch the fiscal results on January 29, 2026 at 15:30 JST and the planned transition to commercial operation on February 26. Interim milestones include load-raising steps, grid synchronization checks, and regulator inspections. Clear progress on these points will shape expectations for sustained output and near-term valuation.

How does the restart affect earnings potential?

Nuclear units reduce variable fuel costs versus LNG and coal and provide steady baseload. If Unit 6 achieves a high capacity factor with limited outages, margins can improve. TEPCO’s trailing EPS is negative, so incremental nuclear contribution helps narrow losses. The scale depends on market prices, downtime, and spent-fuel logistics.

What are the main risks to TEPCO stock now?

Key risks include spent-fuel disposition, which can limit sustained output if storage capacity is tight. Regulatory findings, community acceptance, or unplanned outages could also slow ramp-up. Leverage is elevated and liquidity tight, so funding large GX projects may require pacing, partnerships, or asset sales to protect the balance sheet.

What could TEPCO’s GX and hydrogen plans mean for valuation?

Battery storage can stabilize earnings by balancing supply and renewables. A TEPCO hydrogen plan could create new demand if policy support and partnerships reduce costs. Together, these can lift earnings quality and reduce volatility. Execution discipline matters, given high leverage and capital needs across safety, storage, and growth projects.

Global Market Insights

9501.T Stock Today: January 21 TEPCO Restarts Kashiwazaki-Kariwa Unit 6

ByHuzaifa Zahoor January 21, 2026January 21, 2026

TEPCO stock rallied after Tokyo Electric Power restarted Kashiwazaki-Kariwa Unit 6 at 19:02 JST, reaching criticality at 20:28 on January 21. The company targets commercial operation on February 26. TEPCO stock (ticker 9501.T) closed at ¥720.6, up ¥26.5 or 3.82%, with volume of 91.8 million near its average. Investors see lower fuel costs and steadier baseload output supporting earnings and funding for green transformation projects, while spent-fuel disposition and regulatory oversight remain central risks to sustained output and valuation.