H-1B sponsorCAFEIN 94-3274043Updated Jul 2026

California Independent System Operator Corporation

US H-1B Labor Condition Application activity for California Independent System Operator Corporation. Filed 267 disclosures between FY2010 and FY2026 from worksites with a CA headquarters indicator.

Total filings

Outside top-N · FY2026

Certified

100.0%

unconditional · FY2026

Withdrawn

0.0%

withdrawn rate · FY2026

Denied

0.0%

rejection rate · FY2026

Summary

California Independent System Operator Corporation is the independent grid operator for most of California's electricity system. The company has been active in H-1B sponsorship since 2010, filing 267 applications over that period.

In FY2026, California ISO filed 7 H-1B applications, all certified. Historically, the company maintains a strong certification record at 89.14% across all filings, with 4.12% withdrawn and 1.12% denied. After minimal activity from 2020–2022, filings have resumed and grown, reaching 37 in 2025.

The company's H-1B hiring focuses heavily on technical and engineering roles. Electrical Engineers represent the largest share at 94 filings, followed by Software Developers (48 filings) and Operations Research Analysts (40 filings). Additional positions include Mechanical Engineers and Market Research Analysts, reflecting California ISO's need for energy infrastructure, systems analysis, and software expertise.

California ISO H-1B sponsor
electrical engineers H-1B California
California Independent System Operator prevailing wage
grid operator H-1B filings
software developers California ISO

H-1B outcome breakdown

Share of California Independent System Operator Corporation’s LCAs by DOL case status, all fiscal years. Use the year filter above for a single-year breakdown.

Outcome breakdown
Outcome	Share
Certified	89.1%
Cert-withdrawn	5.6%
Withdrawn	4.1%
Denied	1.1%

Certified89.1%

Cert-withdrawn5.6%

Withdrawn4.1%

Denied1.1%

Top occupations sponsored

SOC codes filed most by California Independent System Operator Corporation across all fiscal years. Click any row to open the national salary guide.

#	SOC	Title	Filings
1	17-2071	Electrical Engineers	94
2	15-1252	Software Developers	48
3	15-2031	Operations Research Analysts	40
4	17-2141	Mechanical Engineers	17
5	13-1161	Market Research Analysts and Marketing Specialists	14
6	17-2051	Civil Engineers	14
7	15-1253	Software Quality Assurance Analysts and Testers	5
8	15-1244	Network and Computer Systems Administrators	4
9	13-1081	Logisticians	3
10	19-3011	Economists	3

Electrical Engineers

Software Developers

Operations Research Analysts

Mechanical Engineers

Market Research Analysts and Marketing Specialists

Civil Engineers

Software Quality Assurance Analysts and Testers

Network and Computer Systems Administrators

Logisticians

Economists

H-1B filings by fiscal year

Year-over-year H-1B filing volume — a hiring-demand signal, not headcount.

Year	Filings
FY2010	29
FY2011	27
FY2012	16
FY2013	17
FY2014	14
FY2015	17
FY2016	21
FY2017	12
FY2018	20
FY2019	15
FY2020	1
FY2021	1
FY2022	1
FY2023	14
FY2024	18
FY2025	37
FY2026	7

Compare California Independent System Operator Corporation with another sponsor

Side-by-side view of KPIs, outcomes, top breakdowns and yearly trend.

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Understand the data

Definitions and methodology behind these H-1B figures.

What “certification rate” means How the prevailing wage works Common H-1B sponsorship questions How this data is built