Conduct an Energy Audit

“Energy audits can be performed in-house using an energy audit guidebook and assistance from facility experts. However, we recommend facilities seek professional help from an energy specialist. A useful energy audit will quantify how much energy each department is consuming and will help identify peak consumption times throughout the year. It should also offer recommendations on which energy efficiency upgrades will bring the best return on investment. '“

https://blogs.constellation.com/energy-management/6-ways-manufacturers-can-reduce-industrial-energy-costs/