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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 2017. Filed on November 13, 2018.

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 2017 IRS Form 990 filing, California Independent System Operator Corporation, a 501(c)(3) charitable organization, reported compensation for 23 out of 661 total employees. Among the employees shown here, the average compensation is $489,410. The highest compensated employee at California Independent System Operator Corporation is Stephen Berberich with fiscal year 2017 compensation of $1,633,690.

Revenue, expenses, and employee compensation

Revenue

$224,035,523

Expenses

$203,371,945

Employee compensation

$118,809,064
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Stephen Berberich
President and Chief Executive Officer
$1,633,690
$1,464,804 No related comp$168,886
Keith Casey
Vice President, MKT and Infrastructure DEV
$820,209
$733,243 No related comp$86,966
Mark Rothleder
Vice President, MKT QTY and Renew Integrtn
$812,906
$694,149 No related comp$118,757
Petar Ristanovic
Vice President, Technology
$770,038
$680,095 No related comp$89,943
Roger Collanton
Vice President, GEN CNSL and Chief COMP OFF
$755,396
$668,425 No related comp$86,971
Eric Schmitt
Vice President, Operations
$746,127
$659,017 No related comp$87,110
Thomas Doughty
Vice President, Customer and State Affairs
$588,753
$490,130 No related comp$98,623
Stacey Crowley
Vice President, Regional and Federal Affairs
$534,819
$475,213 No related comp$59,606
Anthony Ivancovich
Deputy General Counsel - Regul
$434,195
$371,982 No related comp$62,213
Ryan Seghesio
Chief Financial Officer and Treasurer
$431,180
$366,668 No related comp$64,512
Nancy Traweek
EXEC Director, System Operations
$428,925
$361,791 No related comp$67,134
Anna McKenna
ASST GEN Counsel - Regulatory
$427,209
$371,300 No related comp$55,909

Benchmark Employee Compensation

Non-Employee Board Members

Richard Maullin
Chairman, Board of Governors
$41,250
$41,250 No related compNo other comp

Contractors

Siemens Industry Inc.
Engineering
$8,839,409
Att
Telecommunication SE
$3,671,467
Corestaff Services
Temporary Staffing
$3,329,190
Tech-Net Inc.
Consulting
$1,421,521
Teksystems
Consulting
$1,382,788

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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