Phase 2 construction at the Jackson Laboratory’s Charles E. Hewett Center in Ellsworth is due to be completed this week..

The lab has invested $74 million in the second phase. That’s on top of about $85 million spent to build the first stage of the center, which opened in 2018.

Phase 1 consisted of conversion of a former Lowe’s building at 21 Kingsland Crossing into a 134,900-square-foot mouse production facility, called a vivarium, which provides mice for some 25,000 laboratories around the world. Read more