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Construction Update

December 17, 2018

Season's greetings neighbor,

As the year draws to a close it is time to reflect on all that we have been able to accomplish in 2018. We are more than halfway through the modernization of the AES Alamitos Energy Center (AEC) and our team continues to be busy and hard at work to ensure the safe and timely completion of this important project.

We have achieved many significant milestones this year. We completed all of the major structural foundations (underground) and began 'going vertical' (aboveground) early in 2018 which revealed the shape and form of the most visible and prominent structures of the AEC, such as the Heat Recovery Steam Generators (HRSG) and the Air-Cooled Condenser (ACC).  The vast majority of major equipment for the new power generating units has been delivered to the site and set in place. This includes the steam and gas turbine generators (the heart of the AEC) and the HRSGs, among others, that required overnight trucking due to the size of these structures. Some loads were as long as 200 feet and as heavy as 285 tons. 

2019 will be another significant year of work at AES. With all the major equipment in place, the focus will be on interconnecting systems such as piping and electrical work. Construction staffing is currently at peak levels, with over 600 people on site, and is projected to start decreasing in the spring of 2019. We will also begin to remove the large cranes that have towered over the site for the past year.

Most importantly, in 2019 we will finish the major construction work and begin to commission systems (testing and starting the components of the AEC), which will mark another significant milestone. Planning for the new Battery Energy Storage System is currently in the works and construction is anticipated to begin mid-2019.

I am very excited for the challenges, opportunities and accomplishments that 2019 will bring. Throughout the year, we plan to continue to keep you informed every step of the way with construction updates and by responding to your phone calls and emails.

As always, safety is our number one priority and we will continue to take all reasonable steps to minimize impacts and inconvenience to our neighbors.

Thank you for your patience as we work to complete this important project. Please feel free to contact our project hotline at (888) 363-2226 with any questions. On behalf of myself and everyone at AES we wish you all the joys of the season and happiness throughout the coming year. 


Dalia Gomez
AES Community and Public Affairs Manager