DayOne partners with TNB to develop up to 1.5GW of onsite generation and battery storage for planned data center in Selangor, Malaysia

Type: Partnership · Technology: Data Center · Country: Malaysia · Capacity: 1.5 GW · Announced: 2026-09-01

APAC data center developer DayOne has partnered with TNB Power Generation, a subsidiary of Malaysian electrical utility TNB, to explore the development of an up to 1.5GW on-site generation solution for DayOne’s in-development data center in Selangor, Malaysia. The partnership was formalized via a non-binding Memorandum of Understanding signed in early August 2026. The on-site energy solution is expected to include both on-site generation and battery energy storage. The final capacity, configuration, and implementation model remain subject to feasibility assessments, definitive agreements, and applicable regulatory approvals.

Analysis

DayOne, a Singapore-based data center developer, has partnered with TNB Power Generation, a subsidiary of Malaysian electrical utility TNB, to explore developing up to 1.5GW of onsite generation and battery storage for a planned data center in Selangor, Malaysia. DayOne operates across Asia-Pacific and Europe, including Singapore and Malaysia, pioneering the SIJORI hub-and-spoke model. This partnership, formalized via a non-binding Memorandum of Understanding, was announced on September 1, 2026, following its signing in early August 2026. The onsite energy solution is expected to include both onsite generation and battery energy storage. The final capacity, configuration, and implementation model remain subject to feasibility assessments, definitive agreements, and applicable regulatory approvals.

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