# U.S. DOE and Utilities Deploy Grid-Enhancing Technologies and Grid-Forming BESS to Relieve AI Data Center Substation Congestion

> The U.S. Department of Energy (DOE) has awarded \$1.9 billion in Grid Resilience and Innovation Partnerships (GRIP) funds to fast-track Dynamic Line Rating (DLR) sensors and utility-scale grid-forming battery systems across 31 critical transmission substations serving hyperscale AI campuses in PJM, ERCOT, and MISO.

- **تاريخ المصدر:** 2026-09-28
- **المصدر الأصلي:** [U.S. Department of Energy (DOE) Grid Deployment Office](https://www.energy.gov/gdo/articles/grid-enhancing-technologies-bess-deployment-ai-substations-september-2026)
- **مدة القراءة:** 5 min
- **Language:** en
- **URL:** https://voltformer.com/ar/news/us-doe-deploys-dynamic-line-rating-grid-forming-bess-ai-data-center-corridors
- **Markdown:** https://voltformer.com/ar/news/us-doe-deploys-dynamic-line-rating-grid-forming-bess-ai-data-center-corridors.md

## Relieving Severe Thermal Constraints on 500 kV and 345 kV Autotransformers

Concentrated cluster development of AI training facilities—some requiring 1,000 MW at a single site—has pushed high-voltage transmission substation autotransformers past continuous thermal ratings during late-summer peak hours.

By installing real-time conductor tension sensors and local weather stations, Dynamic Line Rating systems unlock 15% to 30% additional transmission capacity during windy or cooler conditions without requiring decades-long overhead line rebuilds.

## Grid-Forming Inverters Replacing Rotational Inertia Near Load Centers

Co-located 4-hour grid-forming battery storage systems (totaling 2.4 GW / 9.6 GWh across the project portfolio) provide synthetic inertia and millisecond-level voltage support, dampening sub-synchronous oscillations caused by massive power-electronic computing loads.

Deployments will be fully operational by Q3 2027, bridging the gap while long-lead generator step-up and autotransformer factory backlogs are fulfilled.

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