Mission
TO ACCELERATE THE DEVELOPMENT AND APPLICATION OF GOOD ENGINEERING AND OPERATIONAL PRACTICES SUPPORTING THE APPROPRIATE INTEGRATION OF ENERGY SYSTEMS, INCLUDING RENEWABLE ENERGY AND ELECTRIC SYSTEMS, FUEL SYSTEMS AND HEAT SYSTEMS.
Public Charity
ENERGY SYSTEMS INTEGRATION GROUP INC
ENERGY SYSTEMS INTEGRATION GROUP INC is a nonprofit organization categorized as Public Charity based in RESTON, VA. Its most recent IRS filing (2025) reports revenue of $6.4M, expenses of $6.1M, total assets of $10.3M. Imperigo tracks 4 reported grant relationships connected to this organization totaling approximately $1.1M.
EIN: 541733337
RESTON, VA
Energy Resources Conservation & Development
NTEE: C35
Latest filing: 2025
Total Revenue$6.4M
Total Expenses$6.1M
Total Assets$10.3M
Grant Records4
Funding Total$1.1M
Filing Years2020–2025
Where $100 goes at Energy Systems Integration Group Inc
How Energy Systems Integration Group Inc divides every $100 it spends, from its own Form 990 filings, averaged across 8 years.
$89
Programs
the work itself
$11
Management
running the organization
$0
Fundraising
none reported
No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.
Inside the $89 for programs
$88
Memberships services
$1
Research
<$1
Education
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
ENV. ADVOCACY
$6,000
TRANSMISSION SOLUTIONS FOR A CLEAN ENERGY FUTURE
$550,000
TRANSMISSION SOLUTIONS FOR A CLEAN ENERGY FUTURE
$275,000
TO PROMOTE EDUCATION AND ANALYSIS TO ADVANCE CLEAN, AFFORDABLE ENERGY THAT PROTECTS PUBLIC HEALTH.
$250,000
Showing up to 5 of 4 total records — full history available with membership.
Officers & Directors
DIRECTOR
Aidan Tuohy
SECRETARY
Bethany Frew
DIRECTOR
Bjorn Hedges
DIRECTOR
Cristin Lyons
DIRECTOR
Jeff Bladen
DIRECTOR
Jennifer Curran
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $6.4M | $6.1M | $10.3M |
| 2024 | $5.4M | $5.2M | $4.4M |
| 2023 | $3.1M | $3.2M | $4.0M |
| 2022 | $3.8M | $2.9M | $4.1M |
| 2020 | $2.0M | $801K | $2.3M |
Between 2020 and 2025, reported annual revenue grew from $2.0M to $6.4M (+227%), with total assets most recently reported at $10.3M.
Interactive year-over-year charts and full filing details available with membership.