NEWS RELEASE
COUNTY OF LOS ANGELES
Contact: Judy Hammond, Director of Public Affairs, (213) 974-1363
Brian Lew, Assistant Director, (213) 974-1652
April 20, 2009
COUNTY DEBUTS NEW SOLAR MAPPING PROGRAM
Homeowners and businesses will be able to go online to determine if their properties are suitable for solar power
Los Angeles County officials today unveiled a solar mapping program that will allow homeowners and businesses to go online to determine if their properties are good candidates for solar power.
The program uses roof size, pitch and shading from nearby trees, buildings and mountains to provide a building’s solar potential and the potential value of installing solar panels.
By typing in an address, a person will learn the property’s roof size, area suitable for solar panels, electricity produced, electricity savings, carbon reduction, nearby solar installations and case studies, available rebates from utility companies, and information about installers.
The level of detail provided means that residents and solar installers do not need to go up on every roof to see if it can support solar, saving time and money. Solar installers will be able to give more detailed estimates based on specific situations, but the solar portal provides generally accurate guidelines of what can be expected. The ultimate goal is to make the website a one-stop solar shop for residents and businesses.
Supervisors Mark Ridley-Thomas and Zev Yaroslavsky praised the project, saying it will help reduce greenhouse gas emissions and energy costs.
The new website -- available at solarmap.lacounty.gov – went live today and will be featured Wednesday – Earth Day – at the National Conversation on Climate Action all-day conference in Los Angeles, which is part of a national effort to fight global warming.
It is the largest solar map in terms of geographic area in the world, covering 3,000 square miles, said Acting Chief Information Officer Richard Sanchez, whose department developed the site in conjunction with the Internal Services Department.
The solar website, developed at a cost of $93,500, was generated from high-resolution imagery and elevation information acquired in 2006 which included roof-top and ground elevation every five feet. It calculates and ranks incoming solar radiation every 25 square feet, using roof pitch, orientation, and shading from surrounding structures and trees to provide the best estimate possible.
The project will be of great benefit to the County itself, said Internal Services Director Tom Tindall, as it includes high resolution - three-dimensional modeling of 800 County buildings. These detailed analyses will be used to evaluate and implement cost-effective installations, including solar power and solar water heaters.
The County is a major electricity user, with facilities spread over a wide geography, operating in more than 3,000 buildings that comprise more than 60 million square feet, so the mapping project will save countless hours developing initial estimates and prioritizing projects manually, said Tindall.
It will do the same for other building managers throughout the County, said Yaroslavsky, who authored the 2008 motion to develop “green building” ordinances for the County’s unincorporated areas to lower utility rates and reduce greenhouse gas emissions.
Buildings account for 65 percent of electricity consumption and 30 percent of greenhouse gas emissions in the United States, according to the U.S. Green Building Council. Energy consumption can be reduced by as much as 20 percent by the use of energy-efficient measures in existing buildings.
The County is developing a program that would assist homeowners and businesses in financing solar panels. On April 14 the Board of Supervisors approved Supervisor Ridley-Thomas’ motion to create by July a program that would allow property owners to finance energy-efficiency upgrades by borrowing money from the County and paying it back through their property tax bills.
-- lacounty.gov --
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