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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Organizations Public & Societal Benefit California Independent System Operator Corporation

California Independent System Operator Corporation

Fiscal year ending 2016. Filed on November 14, 2017.

250 Outcropping Way
Folsom, California 95630

California Independent System Operator Corporation (EIN: 94-3274043) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2016 IRS Form 990 filing, California Independent System Operator Corporation, a 501(c)(3) charitable organization, reported compensation for 26 out of 648 total employees. Among the employees shown here, the average compensation is $460,568. The highest compensated employee at California Independent System Operator Corporation is Stephen Berberich with fiscal year 2016 compensation of $1,713,437.

Revenue, expenses, and employee compensation

Revenue

$213,853,844

Expenses

$203,245,216

Employee compensation

$115,932,073
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Stephen Berberich
President and Chief Executive Officer
$1,713,437
$1,559,236 No related comp$154,201
Mark Rothleder
Vice President, MKT QTY and Renew Integrtn
$787,613
$674,620 No related comp$112,993
Keith Casey
Vice President, MKT and Infrastructure DEV
$783,263
$704,034 No related comp$79,229
Eric Schmitt
Vice President, Operations
$757,047
$692,311 No related comp$64,736
Petar Ristanovic
Vice President, Technology
$731,210
$647,928 No related comp$83,282
Roger Collanton
Vice President, GEN CNSL and Chief COMP OFF
$713,695
$634,476 No related comp$79,219
Karen Edson
Vice President, Policy and Client Services
$510,446
$475,056 No related comp$35,390
Rebecca Regan
EXEC Director, Human Resources
$437,013
$377,216 No related comp$59,797
Thomas Doughty
Vice President, Customer and State Affairs
$413,430
$329,718 No related comp$83,712
Anthony Ivancovich
Deputy General Counsel - Regul
$411,764
$351,355 No related comp$60,409
Neil Millar
EXEC Director, Infrastructure DEV
$409,922
$346,610 No related comp$63,312
Ryan Seghesio
Chief Financial Officer and Treasurer
$404,853
$346,312 No related comp$58,541

Benchmark Employee Compensation

Non-Employee Board Members

Richard Maullin
Chairman, Board of Governors
$42,500
$42,500 No related compNo other comp

Contractors

Siemens Industry Inc.
Engineering
$8,798,783
Att
Telecommunication SE
$3,799,410
Corestaff Services
Temporary Staffing
$3,317,630
The Brattle Group
Consulting
$2,278,741
Aws Truepower LLC
Forecasting
$1,373,550

Mission Statement

TO ENSURE EFFICIENT USE AND RELIABLE OPERATION OF THE ELECTRIC TRANSMISSION GRID OPERATED BY THE CALIFORNIA ISO, CONSISTENT WITH THE CALIFORNIA PUBLIC UTILITY CODE, CHAPTER 2.3 PART 1, DIVISION 1. (CONTINUED ON SCHEDULE O.)THE ISO DOES NOT OWN TRANSMISSION FACILITIES, BUT IT CONTROLS THE OPERATION OF A NETWORK OF TRANSMISSION FACILITIES LOCATED THROUGHOUT MOST OF CALIFORNIA, AND ALSO CERTAIN TRANSMISSION FACILITIES LOCATED IN NEVADA, THE OWNERS OF WHICH HAVE TRANSFERRED OPERATIONAL CONTROL TO THE CALIFORNIA ISO. FOR THE BENEFIT OF OUR CUSTOMERS, WE:- OPERATE THE GRID RELIABLY AND EFFICIENTLY;- PROVIDE FAIR AND OPEN TRANSMISSION ACCESS;- PROMOTE ENVIRONMENTAL STEWARDSHIP; AND- FACILITATE EFFECTIVE MARKETS AND PROMOTE INFRASTRUCTURE DEVELOPMENT, ALL THROUGH THE PROVISION OF TIMELY AND ACCURATE INFORMATION.

Revisions to this organization profile

November 10, 2025:
2024 California Independent System Operator Corporation 990 filed
November 13, 2024:
2023 California Independent System Operator Corporation 990 filed
November 10, 2023:
2022 California Independent System Operator Corporation 990 filed

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