The Hawaiian Electric Companies will conduct drone surveys across their five-island territory to identify areas vulnerable to wildfire and determine the best course of action to protect the public, as well as electrical infrastructure, a Hawaiian Electric press release said.

Drone, or unmanned aircraft system, surveys will be conducted in November and December in East Oʻahu, West Maui and Maʻalaea. Future surveys are being planned for Kaʻū on Hawaiʻi Island.

These aerial inspections are part of the companies’ proactive assessment and management of vegetation near their electrical infrastructure, especially in drought-prone or dry brush areas.

Hawaiian Electric, Maui Electric and Hawaiʻi Electric Light earlier this year evaluated the wildfire mitigation plans filed by the major utilities in California and studied Hawaiʻi fire ignition maps to determine where the greatest risks are and to provide a basis for planning.

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Unlike California, many utility lines in Hawaiʻi run through tropical forests and areas that typically receive abundant rainfall. That makes it easier to concentrate on mapping drought-prone areas where sparks could ignite dry grass and brush beneath power lines, the release said.

Other resilience initiatives launched by the companies to prevent wildfires include: