Dakota County is completing the replacement of the turbines and upgrades to the powerhouse.
In 2017, the state legislature gave $6 million in bonding to complete the project.
Dakota County contracted with Voith Hydro. They designed, fabricated and furnished the turbine equipment. Boldt Construction provided installation and construction services for the project. Ayres Associates and Hatch provided engineering and design related services. Stantec provided construction engineering.
See time lapse pictures of project progress

Project goals
The project:
- Preserved the clean energy generation capability for at least another 50 years.
- Replaced century-old original head gates, draft tubes, overhead crane rails, generators and turbines.
- Removed flood damaged concrete and bedrock chunks from river channel.
- Addressed dam safety issues like cracks in the Ambursen buttress dam.
- Restored the historic character of the façade. Replaced blocked-up windows and repairing walls and roofs.
- Replaced the 20- to 40-year-old stop logs, interior ventilation system and electrical switchgear.
- Upgraded to generating units that are more efficient.
Dakota County began construction in October 2020. Major works and building construction was completed in 2024. Connecting to the electrical grid is planned for 2025.