IMPROVED RELIABILITY AND SAFETY

During the first quarter of fiscal year 2025, system outages were reduced with a total of 62 million customer interruption minutes prevented

San Juan, Puerto Rico, Nov. 21, 2024 – Yesterday, LUMA filed its performance metrics report for the first quarter of fiscal year 2025 (July 1 to September 30, 2024) with the Puerto Rico Energy Bureau (PREB) which highlighted improvements in reliability and safety performance, as well as sustained progress in customer service, renewable energy and fleet availability.

“While we are proud of the substantial improvements being made to better serve our 1.5 million customers, we remain laser-focused on making further progress to overcome the legacy of challenges we continue to face every day. As our latest performance metrics report highlights, our LUMA team is making real improvements in multiple areas, including reducing outages, better customer service and improved safety. Looking forward, we remain committed to working for Puerto Rico, building the brighter energy future that our customers expect and deserve,” said Juan Saca, LUMA President and Chief Executive Officer.

First Quarter, FY 2025 Performance Metrics: Improved Performance and Continued Progress

As outlined in the report, LUMA continued to improve its performance and make progress in key areas during the quarter:

• Improving Reliability: The duration of outages experienced by customers decreased by nearly 6%, and the frequency of outages was reduced by close to 17% compared to the same quarter last year. Over the last three years, LUMA has installed over 9,000 automation devices on the distribution grid (see graphics below) throughout Puerto Rico, preventing more than 195 million customer interruption minutes since the program launched. In the last quarter, 62 million customer interruption minutes were prevented. To help improve reliability further, LUMA plans to continue installing this effective technology across the electric system.

Graph depicting the cumulative total number of automation devices installed from July 2023 to September 2024 in relation to the number of customer interruption minutes these devices prevented during the same time period, totaling 195 million minutes.

Map depicting all automation devices installed across Puerto Rico to date.

• Reinforcing Safety: LUMA decreased the OSHA Severity Rate, or the average number of days lost per incident, by 50% in the first quarter compared to the last quarter of fiscal year 2024, and by 29% compared to the first quarter of fiscal year 2024.
• Improving Customer Service: LUMA continued to provide excellent customer service, such as keeping in-person wait times below 10 minutes and call wait times at approximately two minutes. LUMA also reduced the average wait time in customer service centers by 2.3% compared to last quarter.
• Accelerating Renewable Energy: LUMA connected approximately 7,170 new rooftop solar customers, adding 51 MW of clean solar energy to the grid.
• Managing Fleet: LUMA increased the total number of available utility vehicles in service by 1.5% and continued to reduce vehicles that are out of service.
• Storing Energy Capacity: LUMA connected over 137,000 KWh of new battery storage capacity to the grid.

About LUMA

LUMA is a Puerto Rican company that, since June 1, 2021, operates and manages the electric power transmission and distribution system in Puerto Rico. LUMA is a company driven by a mission to transform the electrical transmission and distribution system to provide all Puerto Ricans with the reliable, resilient, clean, and affordable electrical service they deserve. As a customer-centric company, LUMA’s entire workforce is focused on safely delivering an exceptional customer service experience to its 1.5 million customers.