Department of Energy Science Undergraduate Laboratory Internship (SULI)

Guidelines for SULI applicants regarding the selection of recommenders and the submission process for letters of recommendation.

Add to watchlist Official homepage

DeadlineMay 20, 2026, at 5:00 PM ET; Offers must be accepted within 10 calendar days of receiving the formal offer; Spring 2027: Application opens July 2026; Deadline September 2026; Offer period begins October 2026; Notifications complete December 2026; Fall 2026: Application opens March 12, 2026; Deadline May 20,

Award amount$2,000 or more; $650 weekly stipend

Last checkedJun 25, 2026

Deadline

SULI Key Dates

Official schedule of application opening, submission deadlines, and notification periods for the Department of Energy Science Undergraduate Laboratory Internship (SULI) program terms.

Official source Source page

Requirements

Applications and recommendations must be submitted by 5:00 PM ET on the specified deadline date.; No materials accepted after the submission deadline.

Application materials

Application form; Recommendations

How to apply

Submit application and recommendations through the online application system before the 5:00 PM ET deadline.

Important dates

Summer 2026: Application opens October 23, 2025; Deadline January 7, 2026; Offer period begins February 4, 2026; Notifications complete April 15, 2026; Fall 2026: Application opens March 12, 2026; Deadline May 20, 2026; Offer period begins June 3, 2026; Notifications complete August 4, 2026; Spring 2027: Application opens July 2026; Deadline September 2026; Offer period begins October 2026; Notifications complete December 2026

Contact

sc.suli@science.doe.gov; U.S. Department of Energy, SC-3.3/ Forrestal Building, 1000 Independence Ave., SW, Washington, DC 20585

Recent changes on this page

Plain-English summaries of meaningful source-page updates.

No meaningful updates have been recorded yet.