This publication provides introductory technical guidance for electrical engineers and other professional engineers, construction managers and building managers interested in lighting upgrades for energy efficiency and illumination improvements. Here is what is discussed: 1. INTRODUCTION, 2. THE IMPORTANCE OF LIGHT, 3. A WHOLE-SYSTEM APPROACH, 4. LIGHTING DESIGN, 5. USE EFFICIENT LIGHT SOURCES, 6. USE EFFICIENT LUMINAIRES,, 7. AUTOMATICALLY CONTROL LIGHTING, 8. DIMMING CONTROLS, 9. COMMISSIONING ENSURES THE BENEFITS OF LIGHTING CONTROLS, 10. BUILD IN AN OPERATIONS AND MAINTENANCE PLAN, 11. SUMMARY, 12. BIBLIOGRAPHY. Paul Guyer is a registered civil engineer, mechanical engineer, fire protection engineer and architect with 35 years of experience designing buildings and related infrastructure. For an additional 9 years he was a principal staff advisor to the California Legislature on capital outlay and infrastructure issues. He is a graduate of Stanford University and has held numerous national, state and local offices with the American Society of Civil Engineers, Architectural Engineering Institute and National Society of Professional Engineers. He is a Fellow of ASCE and AEI.