LEED Rating Systems In LEED 2009 there are 100 possible base points plus an additional 6 points for Innovation in Design and 4 points for Regional Priority. Buildings can qualify for four levels of certification: Certified Silver Gold Platinum 40-49 points 50-59 points 60-79 points 80 points and above. NEW CONSTRUCTION LEED NC (including major renovations) is designed to guide and distinguish high-performance commercial and institutional projects. EXISTING BUILDINGS: OPERATIONS & MAINTENANCE LEED EB provides a benchmark for building owners and operators to measure operations, improvements and maintenance. COMMERCIAL INTERIORS LEED CI is a benchmark for the tenant improvement market that gives the power to make sustainable choices to tenants and designers. CORE & SHELL LEED CS aids designers, builders, developers and new building owners in implementing sustainable design for new core and shell construction. HOMES LEED H promotes the design and construction of high-performance green homes.