SOO Green Transmission Project Gains Final approval, Paving Way for Enhanced Grid Reliability
The ambitious SOO Green transmission project has secured its final municipal approval from the town of Bellevue, Iowa. This milestone signifies that all 24 Iowa municipalities along the planned route now support the agreement, bringing the project closer to reality. Construction could begin as early as 2027, with commercial operation anticipated by 2031.
A Vital Energy Superhighway
This project involves a 350-mile underground transmission line stretching from Mason City, Iowa, to Yorkville, Illinois.Importantly, the line will largely follow existing railroad corridors. This strategic approach minimizes environmental impact and avoids the land use conflicts often associated with customary overhead power lines.
SOO Green represents a groundbreaking approach to modernizing the energy grid. By utilizing existing infrastructure and underground placement, the project drastically reduces disruption to communities and landscapes. It concurrently creates a crucial energy pathway that strengthens grid reliability,improves transmission efficiency,and ultimately lowers long-term energy costs for you.
Project Scope and Economic Impact
SOO Green is a 2,100-megawatt High Voltage Direct Current (HVDC) transmission line. This capacity is enough to power approximately 1.5 million homes. The project is projected to inject $3.2 billion into the regional economy during the construction phase. it will also support thousands of skilled union jobs and significantly enhance grid resilience.
Specifically in Iowa, SOO Green is expected to generate over 5,000 jobs during construction. The state will also benefit from an estimated $1 billion in additional economic output.
Addressing Transmission Challenges in Illinois
Currently, SOO Green is advocating for a more streamlined and coordinated transmission investment process in Illinois. A more efficient process will lead to greater reliability for ratepayers and reduced overall costs. Securing this final municipal franchise demonstrates strong community support for the project’s goals.
“With this final municipal franchise secured, we’re showing that the communities where this project will be sited fully support the effort,” stated David Pacyna, CEO of SOO Green.
A Collaborative Effort
SOO Green is a collaborative venture involving leading energy and infrastructure firms. these partners include energyRe, Copenhagen Infrastructure Partners, Siemens Energy, Jingoli Power, Prysmian Group, and PPL Corp. This diverse partnership brings together expertise and resources to ensure the project’s success.
Key Project Highlights:
* length: 350 miles
* Capacity: 2,100 megawatts (powers 1.5 million homes)
* Route: Mason City,Iowa to Yorkville,Illinois
* Construction Start: Targeted for 2027
* Commercial Operation: Targeted for 2031
* Economic Impact: $3.2 billion regional economic boost, $1 billion for Iowa alone.
* Job Creation: 5,000+ jobs in Iowa during construction, thousands more regionally.
This project isn’t just about building a transmission line; it’s about building a more reliable, resilient, and affordable energy future for you and generations to come. SOO Green is poised to be a cornerstone of that future.








