Can Global Power Grid Expansion Keep Pace With Rising Electrification Investment Demands?

Highlights:

• Utility alliance grid additions jumped 50%, putting infrastructure delivery firmly in focus.
• Annual investment plans reached US$156 billion, spanning grids, renewables and storage.
• Electrification ambitions face a bigger test as financing and network requirements grow.

Grid Construction Accelerates

Power grid expansion is gathering momentum as utilities strengthen networks needed to support renewable energy and rising electricity demand. Members of the Utilities for Net Zero Alliance installed more than 21,000 kilometres of new grid infrastructure in 2025, compared to 14,000 kilometres in 2024.

Announced at COP31, the 50% increase represents construction by the alliance’s members, rather than a comprehensive measure of worldwide grid additions. The 89-member group also raised its combined annual investment plans across grids, renewable energy and storage to at least US$156 billion.

Electrification Raises the Stakes

The expansion comes as Türkiye’s COP31 presidency promotes a target for electricity to supply 35% of global final energy consumption by 2035. Achieving that ambition would require substantial changes across transport, buildings and industry, alongside stronger electricity networks.

The financial challenge remains considerable. International Renewable Energy Agency Director-General Francesco La Camera said cumulative global grid investment would need to reach US$10 trillion by 2035, with investment more than doubling to support the transition.

Network capacity matters because renewable generation often sits far from major consumption centres. Without sufficient connections, available wind and solar output can be curtailed, reducing the economic value of installed generation.

Modernisation Broadens the Opportunity

Investment demand extends beyond new power lines. Grand View Research forecasts the global power grid modernisation market will reach US$145.2 billion by 2033, expanding at a compound annual rate of 5.7% from 2026.

Its outlook identifies growing demand for advanced transformers, digital substations, automation and monitoring systems as utilities upgrade ageing infrastructure and accommodate renewable generation. This commercial market forecast measures a different category from overall infrastructure investment requirements.

Delivery Determines the Outlook

The latest construction figures demonstrate progress, but spending commitments alone cannot resolve network constraints. The next test is whether utilities can translate larger budgets into operating infrastructure quickly enough to support electrification.

For the sector, the opportunity increasingly depends on connecting new generation and improving network performance together.

Note- All data presented is based on information available at the time of writing.

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