Rembrandt Foundation Incorporated
The Constellation Energy Foundation (operating as Rembrandt Foundation Inc) is the corporate philanthropy arm of Constellation Energy. The Constellation 'Powering Communities' pages describe core grant programs (E2 Energy to Educate, CLEAN Awards, Community Champions) and link to online application portals. The site is the official company source for foundation grant programs and contact information.
Source: Website · Mar 2026
Ideal Applicant
Organizations aligned with the foundation’s corporate community programs (education, community initiatives, and health), especially those that fit Constellation’s named grant programs or can be considered for corporate-sponsored awards or preselected partnerships.
Good Fit
- • Program alignment with Constellation’s corporate priorities (education, community development, energy/clean initiatives, health).
- • Capacity to manage mid-size to large general support grants.
- • Prior relationship or visibility to corporate/philanthropy staff or inclusion in invited program cohorts.
- • Located in states where the foundation has funded previously or within program target areas.
Geography
Across the observed years the foundation has funded organizations in multiple states (seven states in 2021), but the most recent year’s giving was concentrated in a single state (Illinois), producing a mixed geographic footprint.
Recipient Variety
The foundation has supported many distinct recipients in earlier filings (11 grantees in 2021) but the latest year shows only one recipient; overall the observed recipient set is moderately varied across the multi-year window.
New Applicants
Public application portals and contact information are available, which supports applicant access, but the profile also indicates some funds are preselected/invitation-only and recent giving includes a single large preselected gift, so openness to unfamiliar applicants is plausible but uncertain.
Source: Zeffy Agent · Mar 2026
