Maine environmental regulators have proposed a $148,836 fine for a Delaware-based solar company after concluding that the company failed to control erosion on a project along the Kennebec River in Embden, just north of Skowhegan.
In documents released last week, state Department of Environmental Protection officials outlined a string of violations, including inadequately installed and maintained erosion controls that allowed sediment to flow into the nearby Kennebec River and Alder Brook.
The documents also note that at one point, 30 acres of the 35-acre site were disturbed and unstable, three times the amount allowed under department rule.
The five-megawatt project is being developed by Tower Solar Partners, a limited liability corporation registered in Delaware with a New York address. The company hired Skowhegan-based Bonneau & Son Excavation LLC as the civil contractor for the site.
DEP staff were notified of sediment leaving the site and entering Alder Brook in October 2022, roughly a year and a half after Tower Solar received a DEP permit for the project, by a neighbor and the town’s code enforcement officer, who sent photographs.
According to a memo released this week, regulators visiting the site several days later found that sediment was flowing from the project into both the brook and the Kennebec River, and 30 acres had been “grubbed and graded without adequate stabilization measures.”
The day after the visit, photos taken by the code enforcement officer also showed evidence of logging equipment that tracked “large amounts of sediment” onto Kennebec River Road; several days after that, a silt fence was found to have failed.
In response, Tower Solar Partners updated its erosion and sedimentation control plans, and agreed to a number of corrective measures, including hiring a third-party inspector, and dedicating a crew to inspect and maintain erosion controls.
The Maine Board of Environmental Protection will consider the proposed consent agreement at a Feb. 1 meeting.
This story was originally published by The Maine Monitor, a nonprofit and nonpartisan news organization. To get regular coverage from the Monitor, sign up for a free Monitor newsletter here.
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