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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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Employees Nextenergy Center William Siddall

William Siddall

Officer

Chief Operating Officer at Nextenergy Center

Fiscal year ended September 30, 2024. Published on January 25, 2026.

$144,954
2024

Total compensation

William Siddall has been listed as an employee of Nextenergy Center in Form 990 filings since fiscal year 2023. Total compensation for William Siddall has increased by 24.1% from 2023 to 2024.

Annual compensation details

$144,954
+24.1%
Chief Operating Officer
2024
$134k org
40 hrs/wk
$12k other
--
$116,824
Chief Operating Officer
2023
$111k org
40 hrs/wk
$7k other
--

Total compensation by year

Compare the compensation of William Siddall to:

2024

Other employees at Nextenergy Center

James Saber
President and Chief Executive Officer
$253,321
$228,959 from orgNo related comp$24,362 other
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Revisions to this profile

January 25, 2026:
2024 Nextenergy Center 990 published
January 25, 2026:
2023 Nextenergy Center 990 published

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