Stopped or cancelled
MillCompute AI data center at Bates Mill No. 3
Also called: MillCompute
A company proposed a $300 million AI data center inside an old downtown mill in Lewiston, with a big tax break. The plan became public only six days before the vote. The City Council turned it down.
Where things stand: City Council voted it down unanimously on Dec. 16, 2025.
🕒 Latest update (Dec 16, 2025): City Council voted unanimously against the $300 million data center.
What we know
- 📍 WhereBates Mill No. 3, downtown Lewiston, Lewiston, Androscoggin County
- 🏢 CompanyMillCompute LLC
- 🔌 Where the power comes fromGrid power from Central Maine Power
- 💵 Cost$300 million
- 💸 Tax breaksAsked for a 20-year tax deal (TIF): 90% of new property taxes back for 10 years, then 85%.
- 👷 Jobs promised30
What happened so far
- June 5, 2025City administrator signed a non-binding letter of intent with the developer.
- Dec 10, 2025Plan made public six days before the council vote.
- Dec 16, 2025City Council voted unanimously against the $300 million data center.
Local votes and rules
✋ Turned down
Lewiston City Council voted unanimously against a $300 million data center plan at Bates Mill No. 3. The plan had been made public only six days before the vote.
Dec 16, 2025
🛰️ See it from above
An aerial photo of the area.
Photos: USGS The National Map.
Where this comes from
- Lewiston City Council rejects Bates Mill data center · Sun Journal · Dec 16, 2025
- The secretive plan for a Maine data center collapsed in 6 days · The Maine Monitor · April 6, 2026
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