Underground MV Switchgear Market and the Rise of Solid Insulation in the US
The article titled, Underground MV Switchgear Market and the Rise of Solid Insulation in the US by Saad Habib, Analyst at PTR Inc. elucidates that the US aims to transit 50% of its distribution network underground by 2040, leading to a surge in demand for Medium Voltage (MV) switchgear. This shift is driven by goals to enhance grid reliability and resilience. This growth is attributed to various drivers, including the emphasis on grid resilience and reliability, integration of renewable energy resources such as solar and wind, expansion of distribution grids to accommodate Electric Vehicles (EVs) and Distributed Energy Resources (DERs), and the positive impact of the Inflation Reduction Act (IRA) on economic stability and infrastructure investments.
SF6 gas, commonly used in Gas Insulated Switchgear (GIS) for its high dielectric strength, is facing environmental concerns, leading to the exploration of alternative insulation materials. Solid insulated switchgear (SIS) emerges as a promising technology, offering robust protection against environmental factors, compact designs, and reduced maintenance needs, making it well-suited for underground electrical distribution networks. Alike solid insulation, nitrogen, and dry air are gaining popularity, with solid insulation standing out as a viable option, especially for underground electrical distribution networks. The US MV switchgear market is poised for a sustainable and resilient future, aligning with global efforts to reduce greenhouse gas emissions and enhance overall grid reliability and sustainability.

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