AES Indiana releases December window lights schedule

December 1, 2025

INDIANAPOLIS – AES Indiana, a subsidiary of The AES Corporation (NYSE: AES), is releasing its December window lights schedule. The window lights come on after sunset every night on the AES Indiana building on Monument Circle in downtown Indianapolis and stay on until sunrise.  

Here is the schedule for the month of December.

Dec. 1 – Pacers vs. Cleveland Cavaliers

Dec. 2 –

Dec. 3 – Pacers vs. Denver Nuggets

Dec. 4 –

Dec. 5 – Christmas Tree & BIG TEN

Dec. 6 – Christmas Tree & BIG TEN

Dec. 7 – BIG TEN Championship Game Winner

Dec. 8 – Pacers vs. Sacramento Kings

Dec. 9 –

Dec. 10 –

Dec. 11 – AES Yuletide

Dec. 12 –

Dec. 13 –

Dec. 14 – Hannukah

Dec. 15 – Hannukah

Dec. 16 – Hannukah

Dec. 17 – Hannukah

Dec. 18 – Pacers vs. New York Knicks

Dec. 19 – Hannukah

Dec. 20 – Hannukah

Dec. 21 – Hannukah

Dec. 22 – Indianapolis Colts vs. San Francisco 49ers

Dec. 23 – Pacers vs. Milwaukee Bucks

Dec. 24 – Christmas Tree & Merry Christmas

Dec. 25 – Christmas Tree & Merry Christmas

Dec. 26 – Joyous Kwanzaa

Dec. 27 – Joyous Kwanzaa

Dec. 28 – Joyous Kwanzaa

Dec. 29 – Joyous Kwanzaa

Dec. 30 – Joyous Kwanzaa

Dec. 31 – Happy New Year

 

Please note that this calendar is subject to change. You can find the most up-to-date calendar here.  

AES Indiana window lights began in 1954 with red and green stripes for Christmas. Maintenance crews had to change each bulb by hand to get the different colors. Today, AES Indiana’s 10-story building has 267 individually controlled windows, each equipped with 36 high-efficiency bulbs that can generate 16 million different color combinations.  

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About AES Indiana 
AES Indiana, an AES Company, provides retail electric service to more than 530,000 residential, commercial and industrial customers in Indianapolis, as well as portions of other Central Indiana communities surrounding Marion County. During its long history, AES Indiana has supplied its customers with some of the lowest-cost, most reliable power in the country. For more information about the company, please Connect with AES Indiana on X, Facebook and LinkedIn. For more information about how AES Indiana is accelerating the future of energy, visit aesindiana.com.