Illumination Stations & Lightbulb Exchanges are information tables that shine a light on ways to lower your utility bills, learn about energy assistance programs, and connect with trusted county and utility resources. Visit your local Montgomery County Public Library to talk with staff and partners about energy efficiency programs, Pepco services, and other helpful county offerings.
Residents are also encouraged to bring old incandescent or compact fluorescent light bulbs (CFLs) to exchange for new energy-efficient LED bulbs. Standard 60-watt equivalent LEDs with a warm 2700K color temperature are available, with a limit of three LED bulbs per person. Residents interested in additional upgrades can learn about scheduling a Quick Home Energy Checkup through their utility company.
This program is presented in partnership with the Montgomery County Department of Environmental Protection (DEP), Montgomery County Public Libraries, Montgomery County Department of Health & Human Services, and Pepco.
Please note that dates and locations may change due to weather or other unforeseen circumstances. For the most up-to-date information, visit the My Green Montgomery Community Calendar and look for Illumination Station & Lightbulb Exchange events.
| Date | Time | Location |
| Wednesday, April 1, 2026 | 10:30 AM – 2:30 PM | Brigadier General Charles E. McGee Library (Silver Spring) 900 Wayne Avenue, Silver Spring, MD 20910 |
| Thursday, April 2, 2026 | 10:30 AM – 2:30 PM | Aspen Hill Library 4407 Aspen Hill Road, Rockville, MD 20853 |
| Tuesday, April 7, 2026 | 10:30 AM – 2:30 PM | Gaithersburg Library 18330 Montgomery Village Avenue, Gaithersburg, MD 20879 |
| Wednesday, April 8, 2026 | 10:30 AM – 2:30 PM | Germantown Library 19840 Century Boulevard, Germantown, MD 20874 |
| Thursday, April 9, 2026 | 10:30 AM – 2:30 PM | Kensington Park Library 4201 Knowles Avenue, Kensington, MD 20895 |
| Tuesday, April 14, 2026 | 10:30 AM – 2:30 PM | Long Branch Library 8800 Garland Avenue, Silver Spring, MD 20901 |
| Wednesday, April 15, 2026 | 10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville) 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Thursday, April 16, 2026 | 12:30 PM – 4:30 PM | Maggie Nightingale Library (Poolesville) 19633 Fisher Avenue, Poolesville, MD 20837 |
| Tuesday, April 21, 2026 | 10:30 AM – 2:30 PM | Olney Library 3500 Olney-Laytonsville Road, Olney, MD 20832 |
| Wednesday, April 22, 2026 | 10:30 AM – 2:30 PM | Quince Orchard Library 15831 Quince Orchard Road, Gaithersburg, MD 20878 |
| Thursday, April 23, 2026 | 10:30 AM – 2:30 PM | Rockville Memorial Library 21 Maryland Avenue, Rockville, MD 20850 |
| Tuesday, April 28, 2026 | 10:30 AM – 2:30 PM | Twinbrook Library 202 Meadow Hall Drive, Rockville, MD 20851 |
| Wednesday, April 29, 2026 | 10:30 AM – 2:30 PM | Wheaton Library 11701 Georgia Ave, Silver Spring, MD 20902 |
| Thursday, April 30, 2026 | 10:30 AM – 2:30 PM | White Oak Library 11701 New Hampshire Avenue, Silver Spring, MD 20904 |
| Wednesday, May 6, 2026 | 10:30 AM – 2:30 PM | Aspen Hill Library 4407 Aspen Hill Road, Rockville, MD 20853 |
| Thursday, May 7, 2026 | 10:30 AM – 2:30 PM | Gaithersburg Library 18330 Montgomery Village Avenue, Gaithersburg, MD 20879 |
| Tuesday, May 12, 2026 | 10:30 AM – 2:30 PM | Germantown Library 19840 Century Boulevard, Germantown, MD 20874 |
| Wednesday, May 13, 2026 | 10:30 AM – 2:30 PM | Kensington Park Library 4201 Knowles Avenue, Kensington, MD 20895 |
| Thursday, May 14, 2026 | 10:30 AM – 2:30 PM | Long Branch Library 8800 Garland Avenue, Silver Spring, MD 20901 |
| Tuesday, May 19, 2026 | 10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville) 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Wednesday, May 20, 2026 | 12:30 PM – 4:30 PM | Maggie Nightingale Library (Poolesville) 19633 Fisher Avenue, Poolesville, MD 20837 |
| Thursday, May 21, 2026 | 10:30 AM – 2:30 PM | Olney Library 3500 Olney-Laytonsville Road, Olney, MD 20832 |
| Tuesday, May 26, 2026 | 10:30 AM – 2:30 PM | Potomac Library 10101 Glenolden Drive, Potomac, MD 20854 |
| Wednesday, May 27, 2026 | 10:30 AM – 2:30 PM | Quince Orchard Library 15831 Quince Orchard Road, Gaithersburg, MD 20878 |
| Thursday, May 28, 2026 | 10:30 AM – 2:30 PM | Rockville Memorial Library 21 Maryland Avenue, Rockville, MD 20850 |
| Tuesday, June 2, 2026 | 10:30 AM – 2:30 PM | Twinbrook Library 202 Meadow Hall Drive, Rockville, MD 20851 |
| Wednesday, June 3, 2026 | 10:30 AM – 2:30 PM | Wheaton Library 11701 Georgia Ave, Silver Spring, MD 20902 |
| Thursday, June 4, 2026 | 10:30 AM – 2:30 PM | Aspen Hill Library 4407 Aspen Hill Road, Rockville, MD 20853 |
| Tuesday, June 9, 2026 | 10:30 AM – 2:30 PM | Gaithersburg Library 18330 Montgomery Village Avenue, Gaithersburg, MD 20879 |
| Wednesday, June 10, 2026 | 10:30 AM – 2:30 PM | Germantown Library 19840 Century Boulevard, Germantown, MD 20874 |
| Thursday, June 11, 2026 | 10:30 AM – 2:30 PM | Kensington Park Library 4201 Knowles Avenue, Kensington, MD 20895 |
| Tuesday, June 16, 2026 | 10:30 AM – 2:30 PM | Long Branch Library 8800 Garland Avenue, Silver Spring, MD 20901 |
| Wednesday, June 17, 2026 | 10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville) 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Thursday, June 18, 2026 | 12:30 PM – 4:30 PM | Maggie Nightingale Library (Poolesville) 19633 Fisher Avenue, Poolesville, MD 2083 |
| Tuesday, June 23, 2026 | 10:30 AM – 2:30 PM | Olney Library 3500 Olney-Laytonsville Road, Olney, MD 20832 |
| Wednesday, June 24, 2026 | 10:30 AM – 2:30 PM | Quince Orchard Library 15831 Quince Orchard Road, Gaithersburg, MD 20878 |
| Thursday, June 25, 2026 | 10:30 AM – 2:30 PM | Rockville Memorial Library 21 Maryland Avenue, Rockville, MD 20850 |
| Tuesday, June 30, 2026 | 10:30 AM – 2:30 PM | Twinbrook Library 202 Meadow Hall Drive, Rockville, MD 20851 |
| Tuesday, January 6, 2026 | 10:30 AM – 2:30 PM | Brigadier General Charles E. McGee Library (Silver Spring) 900 Wayne Avenue, Silver Spring, MD 20910 |
| Wednesday, January 7, 2026 | 10:30 AM – 2:30 PM | Aspen Hill Library 4407 Aspen Hill Road, Rockville, MD 20853 |
| Thursday, January 8, 2026 | 10:30 AM – 2:30 PM | Connie Morella Library (Bethesda) 7400 Arlington Road, Bethesda, MD 20814 |
| Tuesday, January 13, 2026 | 10:30 AM – 2:30 PM | Davis Library (North Bethesda) 6400 Democracy Boulevard, Bethesda, MD 20817 |
| Wednesday, January 14, 2026 | 10:30 AM – 2:30 PM | Gaithersburg Library 18330 Montgomery Village Avenue, Gaithersburg, MD 20879 |
| Thursday, January 15, 2026 | 10:30 AM – 2:30 PM | Germantown Library 19840 Century Boulevard, Germantown, MD 20874 |
| Tuesday, January 20, 2026 | 10:30 AM – 2:30 PM | Kensington Park Library 4201 Knowles Avenue, Kensington, MD 20895 |
| Wednesday, January 21, 2026 | 10:30 AM – 2:30 PM | Long Branch Library 8800 Garland Avenue, Silver Spring, MD 20901 |
| Thursday, January 22, 2026 | 10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville) 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Tuesday, January 27, 2026
CANCELED DUE TO WEATHER |
10:30 AM – 2:30 PM | Little Falls Library 5501 Massachusetts Avenue, Bethesda, MD 20816 |
| Wednesday, January 28, 2026
CANCELED DUE TO WEATHER |
12:30 PM – 4:30 PM | Maggie Nightingale Library (Poolesville) 19633 Fisher Avenue, Poolesville, MD 20837 |
| Thursday, January 29, 2026
CANCELED DUE TO WEATHER |
10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville), 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Tuesday, February 3, 2026 | 10:30 AM – 2:30 PM | Olney Library 3500 Olney-Laytonsville Road, Olney, MD 20832 |
| Wednesday, February 4, 2026 | 10:30 AM – 2:30 PM | Potomac Library 10101 Glenolden Drive, Potomac, MD 20854 |
| Thursday, February 5, 2026 | 10:30 AM – 2:30 PM | Quince Orchard Library, 15831 Quince Orchard Road, Gaithersburg, MD 20878 |
| Tuesday, February 10, 2026 | 10:30 AM – 2:30 PM | Rockville Memorial Library 21 Maryland Avenue, Rockville, MD 20850 |
| Wednesday, February 11, 2026 | 10:30 AM – 2:30 PM | Twinbrook Library 202 Meadow Hall Drive, Rockville, MD 20851 |
| Thursday, February 12, 2026 | 10:30 AM – 2:30 PM | Wheaton Library, 11701 Georgia Ave, Silver Spring, MD 20902 |
| Tuesday, February 17, 2026 | 10:30 AM – 2:30 PM | White Oak Library, 11701 New Hampshire Avenue, Silver Spring, MD 20904 |
| Wednesday, February 18, 2026 | 10:30 AM – 2:30 PM | Brigadier General Charles E. McGee Library (Silver Spring) 900 Wayne Avenue, Silver Spring, MD 20910 |
| Thursday, February 19, 2026 | 10:30 AM – 2:30 PM | Aspen Hill Library 4407 Aspen Hill Road, Rockville, MD 20853 |
| Tuesday, February 24, 2026 | 10:30 AM – 2:30 PM | Connie Morella Library (Bethesda) 7400 Arlington Road, Bethesda, MD 20814 |
| Wednesday, February 25, 2026 | 10:30 AM – 2:30 PM | Davis Library (North Bethesda) 6400 Democracy Boulevard, Bethesda, MD 20817 |
| Thursday, February 26, 2026 | 10:30 AM – 2:30 PM | Gaithersburg Library 18330 Montgomery Village Avenue, Gaithersburg, MD 20879 |
| Tuesday, March 3, 2026 | 10:30 AM – 2:30 PM | Germantown Library 19840 Century Boulevard, Germantown, MD 20874 |
| Wednesday, March 4, 2026 | 10:30 AM – 2:30 PM | Kensington Park Library 4201 Knowles Avenue, Kensington, MD 20895 |
| Thursday, March 5, 2026 | 10:30 AM – 2:30 PM | Long Branch Library 8800 Garland Avenue, Silver Spring, MD 20901 |
| Tuesday, March 10, 2026 | 10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville) 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Wednesday, March 11, 2026 | 10:30 AM – 2:30 PM | Little Falls Library 5501 Massachusetts Avenue, Bethesda, MD 20816 |
| Thursday, March 12, 2026 | 12:30 PM – 4:30 PM | Maggie Nightingale Library (Poolesville) 19633 Fisher Avenue, Poolesville, MD 20837 |
| Tuesday, March 17, 2026 | 10:30 AM – 2:30 PM | Marilyn J. Praisner Library (Burtonsville), 14910 Old Columbia Pike, Burtonsville, MD 20866 |
| Wednesday, March 18, 2026 | 10:30 AM – 2:30 PM | Olney Library 3500 Olney-Laytonsville Road, Olney, MD 20832 |
| Thursday, March 19, 2026 | 10:30 AM – 2:30 PM | Potomac Library 10101 Glenolden Drive, Potomac, MD 20854 |
| Tuesday, March 24, 2026 | 10:30 AM – 2:30 PM | Quince Orchard Library, 15831 Quince Orchard Road, Gaithersburg, MD 20878 |
| Wednesday, March 25, 2026 | 10:30 AM – 2:30 PM | Rockville Memorial Library 21 Maryland Avenue, Rockville, MD 20850 |
| Thursday, March 26, 2026 | 10:30 AM – 2:30 PM | Twinbrook Library 202 Meadow Hall Drive, Rockville, MD 20851 |
| Tuesday, March 31, 2026 | 10:30 AM – 2:30 PM | Wheaton Library, 11701 Georgia Ave, Silver Spring, MD 20902 |
To find upcoming Illumination Station & Lightbulb Exchange events and other environmental programs happening across Montgomery County, visit the My Green Montgomery Community Calendar.
You can also follow @mcenergyconnection on social media for event reminders, energy-saving tips, and program updates.