ISO New England
Overview
Mission
We are the independent, nonprofit system operator responsible for keeping electricity flowing across New England and ensuring reliable, competitively priced wholesale electricity. ISO building - current openings Current Openings Find out if you may be a match for one of our challenging and rewarding positions. Student Internships Student Internships An internship at the ISO can put you ahead of the pack after graduation. What We Offer - Cafeteria What We Offer A career at the ISO can help you make the most of your knowledge, skills, and aspirations. Our Mission, Vision, and Values Our Mission, Vision, and Values The ISO’s mission, vision, and values define our purpose—these values serve as the cultural cornerstones of the organization. Diversity and Inclusion Our Highly Skilled Workforce Individuals from a broad range of disciplines and backgrounds help power ISO New.
What it reported doing in 2024
Through its second activity, reliability administration, iso-ne ensures the reliable day-to-day operation of the region's high voltage transmission system. Among other things, this involves (i) coordinating the operation of the region's nearly 400 dispatchable power plants and 9,000 miles of high voltage transmission lines; (ii) managing the movement of high-voltage electricity into, within, and out of new england; (iii) ensuring that the six-state new england region has the power system resources necessary to meet consumer demand for electricity and federally-mandated reliability requirements; (iv) coordinating how transmission lines, generation, and other resources connect to and operate on the power grid reliably; and (v), working with the industry to develop transmission infrastructure solutions that are essential for maintaining power system reliability. During 2024 iso-ne coordinated the generation and transmission of the approximately 116,700 gigawatt-hours of power consumed in the region.
Operating model
- Revenue model
- Earned-program. 99% of the money available for current operations came from fees and other program revenue.
- Distribution model
- Direct operator. The nonprofit carried out 100% of its reported program work directly.
Nonprofit profile at a glance
- EIN
- 043372500
- IRS 990 coverage
- 2010–2024
- Website reviewed
- Jul 2026
- Forms available
- Form 990 2024
- Headquarters
- Holyoke, MA, USA
- Rating
- 79
- Verdict
- SUPPORTED
- Rating confidence
- Moderate
- Sector
- Environment and Animals
The verdict
SUPPORTED - A large share of available resources goes toward mission work and the filed numbers largely add up. The filing does not identify recipients for some grant dollars and expenses are high relative to revenue.
Rating breakdown
- Financial Efficiency: 89
- Transparency & Controls: 64
- Accountability: 89
- Sustainability: 36
- Growth: 100
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 89.3%; rating input score 89
- Program expense ratio: 90%; rating input score 90
- Fundraising efficiency: Limited
Transparency & Controls
- Consistency checks: 93.3%; rating input score 93; 24th percentile among comparable filings
- Pay-setting controls: 5 of 6 controls in place; rating input score 83
- Foreign activity oversight: Limited
- Grant itemization coverage: 44.4%; rating input score 44; 9th percentile among comparable filings
- Major donor itemization: Limited
- Related-party transparency: Yes; rating input score 100
- Public monitoring controls: 1 of 8 controls in place; rating input score 12
- Public policy transparency: 0 of 7 controls in place; rating input score 0
- Public financial transparency: 0 of 5 controls in place; rating input score 0
- Impact reporting controls: 0 of 7 controls in place; rating input score 0
- Public relationship transparency: No; rating input score 0
Accountability
- Independent voting board: 100%; rating input score 100; 76th percentile among comparable filings
- Governance controls: 9 of 9 controls in place; rating input score 100
- Public governance controls: 0 of 4 controls in place; rating input score 0
- Zakat policy transparency: Limited
Sustainability
- Operating margin: 0%; rating input score 29; 29th percentile among comparable filings
- Operating reserve ratio: 2.65; rating input score 71; 71st percentile among comparable filings
- Liabilities to assets ratio: 1; rating input score 6; 6th percentile among comparable filings
- Officer compensation ratio: 8%; rating input score 5; 5th percentile among comparable filings
Growth
- Program expense growth: 4.3% per year; rating input score 100; 34th percentile among comparable filings
- Revenue growth: 4.2% per year; rating input score 100; 35th percentile among comparable filings
- Asset growth: 1% per year; rating input score 100; 10th percentile among comparable filings
Details
- What they do: 1 operating location identified
- Where the money goes: 89.3% of revenue deployed · 90% of spending went to programs
- Governance: 9 of 9 board members independent · 9 of 9 filing controls reported
- Programs: 3 filed program accomplishments · $238.1M in reported program spending
- Leadership: top reported pay $3.3M · 37 people listed · 5 of 6 pay-setting controls reported
- Consistency: 35 of 36 current checks pass · 1 finding to review
- Schedules: 9 filed schedules · includes grants, executive pay, and related organizations
- Filing history: 15 annual filings from 2010 to 2024
- Money network: 38 filed money-flow records
- Related organizations: 2 filed related-organization links