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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 2019. Filed on November 14, 2020.

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 2019 IRS Form 990 filing, California Independent System Operator Corporation, a 501(c)(3) charitable organization, reported compensation for 24 out of 680 total employees. Among the employees shown here, the average compensation is $543,829. The highest compensated employee at California Independent System Operator Corporation is Stephen Berberich with fiscal year 2019 compensation of $2,167,603.

Revenue, expenses, and employee compensation

Revenue

$229,176,886

Expenses

$213,615,259

Employee compensation

$129,444,432
Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Stephen Berberich
President and Chief Executive Officer
$2,167,603
$1,974,749 No related comp$192,854
Mark Rothleder
Vice President, MKT QTY and CA REG Affairs
$913,489
$776,973 No related comp$136,516
Keith Casey
Vice President, MKT and Infrastructure DEV
$888,908
$796,337 No related comp$92,571
Roger Collanton
Vice President, GEN CNSL and Chief COMP OFF
$817,618
$711,343 No related comp$106,275
Eric Schmitt
Vice President, Operations
$796,851
$698,092 No related comp$98,759
Petar Ristanovic
Vice President, Technology
$781,186
$695,110 No related comp$86,076
Stacey Crowley
Vice President, External and Customer AFF
$662,637
$572,382 No related comp$90,255
Ryan Seghesio
Vice President, CFO and Treasurer
$654,920
$555,318 No related comp$99,602
Jodi Ziemathis
Vice President, Human Resources
$605,420
$504,980 No related comp$100,440
Thomas Doughty
Vice President, Customer and State Affairs
$514,783
$470,186 No related comp$44,597
Burton Gross
Deputy General Counsel - Legal
$481,283
$416,139 No related comp$65,144
Anthony Ivancovich
Deputy GEN CNSL - Regulatory
$473,281
$398,258 No related comp$75,023

Benchmark Employee Compensation

Non-Employee Board Members

No board members were reported during this fiscal year.

Contractors

Siemens Industry Inc.
Engineering
$10,961,087
Corestaff Services
Temporary Staffing
$3,639,314
Att
Telecomm.
$3,620,281
Teksystems
Consulting
$1,310,003
Alston & Bird
Legal
$1,238,994

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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