Power

GE Vernova's $5.275 Billion Prolec GE Acquisition Closes as Argentina Queues $9.8 Billion in Grid Projects

Power transformers carry lead times of 12–24 months and have become the silent bottleneck of the energy transition — and Argentina's high-voltage grid has not added trunk capacity since 2017

by Lucía Martínez 2026-04-13
2026-04-13
GE Vernova's acquisition of PROLEC, from an Argentine perspective: transformers, the missing piece to expand the grid
GE Vernova's acquisition of PROLEC, from an Argentine perspective: transformers, the missing piece to expand the grid

GE Vernova, the U.S. power and energy technology company, completed its acquisition of the remaining 50% stake in Prolec GE on February 2, paying $5.275 billion to become the sole owner of North America's largest power transformer manufacturer and close a 30-year joint venture with Xignux, the Mexican industrial group.

Prolec GE operates 7 manufacturing sites in the Americas, including 5 in the United States, employs approximately 10,000 people, and produces the full range of transformers and transformer components for power generation, transmission, and distribution. With the closing, it now operates within GE Vernova's Electrification segment — the company's fastest-growing business unit in 2025 — under the GE Vernova brand. Ricardo Suárez continues as CEO of Prolec GE, reporting to Electrification segment CEO Philippe Piron.

"Our customers are asking for more capacity from the grid" Piron said. "With Prolec GE now fully part of GE Vernova, we are better equipped to respond to that demand and better serve our installed base."

GE Vernova paid more than $5 billion for manufacturing capacity in a segment where global demand has significantly outrun supply. Power transformers carry production lead times of 12–24 months, cannot be substituted quickly, and have become the persistent bottleneck in grid expansion programs across the Northern Hemisphere, as data centers, renewable energy integration, and industrial electrification compete for the same available manufacturing capacity.

Prolec
With that operation, the company became the absolute owner of the largest transformer manufacturer in North America: 
10,000 employees, 7 plants in the Americas, the entire range of equipment for power generation, transmission and distribution.

Argentina's Grid: Decades Behind

Argentina's high-voltage grid carries decades of underinvestment: approximately 35% of installations have reached the end of their useful life. No national high-voltage trunk capacity has been added since 2017; no works covering the greater Buenos Aires metropolitan area (AMBA) have been completed since 2006. The most visible consequence is congestion blocking the full dispatch of renewable energy from Patagonia and the northwest to the country's major consumption centers.

The expansion plan presented by Transener, Argentina's high-voltage electricity transmission company and operator of the national trunk grid, through technical director Carlos Borga in November 2024, projects works of $9.8 billion and more than 7,800 MW of additional capacity. That program requires transformers — many of them.

The consolidation of Prolec GE under GE Vernova reconfigures the available supplier map for any Argentine grid expansion. Prolec GE was already the regional benchmark in high-voltage equipment. Full integration into GE Vernova does not change the product portfolio, but it changes the scale of available R&D investment and creates the conditions for long-term supply contracts with utilities and concession holders.

The Regulatory Window

The timing carries additional significance for Argentina. The government is advancing the sale of the state's 50% stake in Compañía Inversora en Transmisión Eléctrica Citelec S.A. (Citelec), the investment holding company that controls Transener with a 52.65% stake, with bids scheduled for April 14 at a base price of $206.2 million. The remaining 50% of Citelec belongs to Pampa Energía, a diversified Argentine energy company, which is not selling.

Grid expansion works operate under a separate framework established by Decree 921/25, which enables expansion projects to be tendered as build-and-recover concessions with private financing. The buyer of the government's Citelec stake will take operating control of Transener's concession without an obligation to build new infrastructure. Participation in the expansion program, where the long-term commercial opportunity lies, requires competing in separate tenders.

Priority projects are in the queue: AMBA I, calling for more than 500 kilometers of new lines and an investment above $1.2 billion; the Río Diamante–Charlone corridor; and the Puerto Madryn–Bahía Blanca interconnection. Their execution depends on the regulatory and financing framework consolidating, and on transformers being available when construction begins.

Continue Reading

Latest news