# Energy 4.1 Combined Heat and Power (cogeneration / trigeneration)
# Applies to
Large non-residential developments (over 1000 sqm)
# Objective
Ensure the efficient use of energy and to reduce energy consumption and greenhouse emissions from building energy use.
# Summary
Points are awarded when the combined heat and power system reduces annual greenhouse emissions by more than 25% for the class of building it supplies. If there is no combined heat and power system this credit is not applicable and will be automatically scoped out.
# Documentation & evidence required
- Location of the Combined Heat and Power system as described.
- Report including details of the combined heat and power system and energy calculations.