Monthly deadline index

Federal Grant Deadlines in May 2026

Use this monthly deadline index to scan active grants scheduled to close in May 2026. It is built for teams planning submissions around a specific month rather than a single week.

Active now
92
Deadlines in this window
Window
May 1, 2026
through May 31, 2026

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Current deadline list

Prioritize the shortest windows first, then open the full grant record for eligibility notes, funding ranges, and application detail.

Showing 73-92 of 92
Closes in 60 daysDepartment of the InteriorDiscretionary

FY 2026 Energizing Insular Communities Program

The Office of Insular Affairs (OIA) requests proposals for its Energizing Insular Communities (EIC) Program promoting domestically produced energy and protecting the United States" economic and nation

Deadline
May 18, 2026
Award ceiling
$15,000,000
NOFO
OIA-EIC-2026
Closes in 60 daysDepartment of the InteriorDiscretionary

OIA Technical Assistance Program 2026

The Office of Insular Affairs (OIA) is seeking proposals for its Technical Assistance Program (TAP), which offers grant funding for short-term projects aimed at addressing the immediate needs of insul

Deadline
May 18, 2026
Award ceiling
$22,500,000
NOFO
OIA-TAP-2026
Closes in 60 daysDepartment of the InteriorDiscretionary

OIA Maintenance Assistance Program 2026

The Office of Insular Affairs (OIA) is seeking proposals for its Maintenance Assistance Program (MAP), which offers grant funding to support, develop, improve and institutionalize infrastructure maint

Deadline
May 18, 2026
Award ceiling
$4,375,000
NOFO
OIA-MAP-2026
Closes in 60 daysDepartment of the InteriorDiscretionary

OIA Brown Treesnake Program 2026

The Office of Insular Affairs (OIA) is requesting funding proposals for its Brown Treesnake (BTS) Control Program to prevent the migration of the BTS from Guam to other United States jurisdictions; to

Deadline
May 18, 2026
Award ceiling
$4,000,000
NOFO
OIA-BTS-2026
Closes in 61 daysU.S. National Science FoundationDiscretionary

National Science Foundation Translation to Practice

The U.S. NSF Directorate for Technology, Innovation and Partnerships (NSF TIP) partners across sectors to advance three primary focus areas – accelerating technology translation and development, foste

Deadline
May 19, 2026
Award ceiling
$2,000,000
NOFO
25-540
Closes in 62 daysNational Energy Technology LaboratoryDiscretionary

Infrastructure Investment and Jobs Act (IIJA) — Speed to Power through Accelerated Reconductoring and other Key Advanced Transmission Technology Upgrades (SPARK)

SPARK is an opportunity to meet load demand growth and resource adequacy, and to address critical national, interregional, and regional needs. OE achieves these goals by stimulating investment in powe

Deadline
May 20, 2026
Award ceiling
$250,000,000
NOFO
DE-FOA-0003580