> In its first 10 months, the move saved the state at least $1.8 million in energy costs. What is such a statement supposed to mean? What was the total energy

> In its first 10 months, the move saved the state at least $1.8 million in energy costs. What is such a statement supposed to mean? What was the total energy cost in those months? Did they shave a 1% or a 20%?