Here is a historical timeline of Green activities in Stow:
| 2009 | Volunteers started Sustainable Stow to support Stow’s work on energy efficiency, green energy, and environmental protection |
| 2014 | Stow Solar Challenge. One of the most successful community solar initiatives in the state. 276 residents (13% of households) expressed interest in solar and 59 households installed rooftop solar. |
| 2015 | Stow designated a Green Community by the state. Stow was one of the first communities served by a municipal light plant to receive Green Community designation. To date, the Town has received $893,000 in Green Community grants. Select Board adopts a policy requiring clean energy in new and renovated municipal buildings |
| 2019 | Stow/Hudson HeatSmart initiative. 193 Stow residents inquired about heat pumps for their home and 53 households had heat pumps installed. |
| 2020 | Stow achieves Green Communities target of a 20% reduction in municipal energy use. |
| 2021 | Select Board establishes Green Advisory Committee to align the town with the state’s greenhouse gas reduction targets. Select Board adopts a policy requiring clean energy in new and renovated municipal building |
| 2022 | Stow awarded $1.1 million state grant to help with the preservation and restoration of over 100 acres of Stow Acres. |
| 2023 | Stow becomes the 16th community in the state to adopt the Specialized Energy Code to reduce greenhouse gas emissions from new construction |
| 2024 | Stow receives $500,000 building decarbonization grant for the renovation of Randall library. Stow is one of two communities in the state to receive this grant in 2024. |
