The site at Grange Castle is the first Pfizer site to clearly outline plans of achieving Carbon Neutrality. Since their energy programme was introduced in 2012 it has evolved from an engineering led system to an organisational wide programme. ISO50001 was achieved in 2016 and although production numbers have doubled since 2012, their CO2 emissions have reduced by an impressive 18%. An active and engaged member of the Large Industry Energy Network, the diverse range of projects and initiatives achieved by Pfizer Grange Castle, including commitment from leadership and active collaboration across multiple staff, stakeholders and consultants to achieve results, is an excellent model for any large business looking to tackle their own energy outputs.