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Title 24 – On July 1 2014 California implemented significant and far reaching building code revisions known collectively as Title 24. As a whole these code changes are intended to standardize energy efficient design and construction methods for both residential and commercial buildings. Additionally they respond to the AB32 legislation that requires all new residential construction in California be Zero Net Energy by 2020. Once new requirement is that new homes be made “Solar Ready”. While the new standard does not mandate solar panel installation at the time of construction it does define new solar provisioning requirements designed to make future solar electric installations easier and more affordable for home owners. As part of the solar ready requirements Title 24 also defines new guidelines for the main electrical service panel used in new residential construction in subdivisions of 10 or more homes. Under the new code the main electrical panel must have a minimum busbar rating of 200 amps. Additionally all service entry panels are required to have 2 reserved spaces on the load-side to allow for installation of a double pole circuit breaker for future solar electric installation. These reserved spaces are required to be on the opposite load end from the main circuit breaker on the busbar and permanently marked as “For Future Solar Electric”. To meet the new requirements that pertain to the main electrical service panel used in the construction of new residences as well as support increasing market demands for products that support solar energy installations Siemens offers a full portfolio of meter-load center combination devices.