---
title: "National Grid-commissioned study says interregional transmission saves customers up to $15.3 billion by 2050"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/297664591.md"
description: "A National Grid-commissioned S&P Global study projects that interregional transmission expansion could save US customers up to $15.3 billion by 2050, offering two to three times the benefit of in-region expansion alone. The analysis identifies AI, data centers, and manufacturing as key demand drivers across major regions. Additionally, stronger interregional links are linked to improved resilience for critical infrastructure during disruptions."
datetime: "2026-09-01T14:01:47.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/297664591.md)
  - [en](https://longbridge.com/en/news/297664591.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/297664591.md)
generator: "portal-rs"
---

# National Grid-commissioned study says interregional transmission saves customers up to $15.3 billion by 2050

-   National Grid-backed S&P Global analysis flagged transmission buildout as the lowest-cost option to meet rising US power demand through 2050. \* Interregional grid links could save customers up to USD 15.3 billion, about two to three times the benefit of in-region expansion alone. \* Study covered the Northeast, PJM, SERC, SPP, MISO South, citing AI, data centers, manufacturing as key load drivers. \* Findings also tied stronger interregional transmission to improved resilience for defense and critical infrastructure during disruptions. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. National Grid plc published the original content used to generate this news brief via PR Newswire (Ref. ID: 202609011000PR\_NEWS\_USPR\_\_\_\_\_NE37087) on September 01, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT)

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**