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Proper maintenance of our transmission and distribution system is critical to our ability to deliver reliable power to our customers. Electric line maintenance involves more than identifying line faults; it includes pole selection, vegetation management and raptor and wildlife protection.
The APS Forestry and Special Programs and Transmission and Distribution Engineering and Standards Departments can identify areas of concern and both departments perform audits to determine compliance with the law. On new substation installation, wildlife protective covering is also installed. APS Substation Maintenance has committed to retrofit four substations each year in our northern divisions and 120 units each year in our southern divisions.
Our Vegetation Management program follows industry tree trimming standards to limit damage and improve overall tree health. We follow the Edison Electric Institute’s (EEI) strategy on minimizing pesticide use. Many industry and environmental groups have recognized us for our practices and commitment to arborist education.
In 2003, we received our seventh consecutive Tree Line USA Award from the National Arbor Day Foundation.
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