Sustainability Success Story

marigoldsFreshwater wetlands, sometimes referred to as swamps, marshes , bogs or bottomland forests, are invaluable resources for flood protection, wildlife habitat, open space and water resource protection.

Depending on their size and characteristics, freshwater wetlands may be protected by both State and Federal regulations. Protection of freshwater wetlands is considered in the siting and design of all National Grid projects; however, due to the lineal nature of our electric and gas work, it’s sometimes impossible to avoid them.

In cases where it has been demonstrated that impact to wetlands can’t be avoided, National Grid may be required to replace the wetland acreage to restore the habitat lost. One example of National Grid successfully completing a wetland mitigation project occurred in 2014 as part of the 4.2 mile Global Foundries Gas Pipeline Project in the Towns of Ballston and Malta, New York.

To compensate for the cutting of 0.80 acres of forested wetland, we created a 0.5 acre deciduous forest wetland and planted an additional 0.59 acres of wet meadow with deciduous trees and various wetland shrub species.

Over 550 trees were planted on the mitigation site and a total area of 2.63 acres was preserved and protected. The mitigation site is protected from all future development and will provide benefit to both the public and wildlife forever.

Our Impact

Social: The newly created wetland mitigation site is preserved and protected in perpetuity for future public benefit and enjoyment.

Environmental: Maintains a balance of our ecosystem and establishes beneficial wildlife habitat.

Economic: Allows for the delivery of energy to our customers manufacturing facility thereby protecting jobs and benefiting the local economy.

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