DOE (Department of Energy)
ASHRAE (American Society of Heating, Refrigerating
and Air Conditioning Engineers)
IESNA (Illuminating Engineering Society of North America)
IEC (International Engineering Consortium)
IEEE (Institute of Electrical and Electronics Engineers, Inc.)

Useful Tools

T5HO/T8 Lamp Life Calculator
Stonco Green Lighting Solutions
Energy Solutions Website and Energy Calculator
Energy-Efficient Commercial Lighting Fixtures
Stonco Lighting Website

ExceLine Website
Luminaire Quantity Calculator
QuickEst™ and QuiKalc™
Accessible by selecting an .ies file located on product pages of the Stonco website where QuickEst™ is applicable. QuiKalc is available for ExceLine products where applicable.
Energy Compliance Program
Database of State Incentives for Renewables and Efficiency
DSIRE is a comprehensive source of information on state, local, utility, and federal incentives that promote renewable energy and energy efficiency.