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INDIVIDUAL FACILITIES AND SELECTED SOURCES
Below is basic information about individual facilities in our database and selected sources we've drawn on to support the analysis.  To navigate to other sites, use the search page.

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SPI Energy S4A Module Manufacturing Facility (Expansion)

SPI Energy

Sacramento, CA, USA

-121.4161796, 38.6547425

The Big Green Machine Site ID: 406A

Additional Information:

Sector: Solar

Activity: Manufacturing

Product: Solar Modules


Project Announcement Date: 2/21/2022

Target for Starting Production: 2023

Date Commercial Production Started: 1/9/2023

Announced Post Inflation Reduction Act: Yes


Target Annual Production: 1.2 GW

Current Annual Production: 0.7 GW

Operating Status: Under Construction


Target Jobs: 400

Current Jobs: 150

Congressional District: CA6

Government Subsidies:

We currently have no government subsidies tracked for this site.

Selected Sources:




“SPI Energy aims to expand solar plant to be first in nation with 1 gigawatt of annual manufacturing capacity”, Sacramento Business Journal, 03 Mar 2023. 🔗


“SPI Energy expanding solar module manufacturing here, in South Carolina”, Mark Anderson, Sacramento Business Journal, 23 Aug 2023. 🔗


“Solar4America begins module production at 2.4 GW Sacramento factory”, Michael Schoeck, pv magazine USA, 08 Jan 2023. 🔗


Tracked Expansions, Acquisitions, or Related Sites:

This site has 1 major expansion(s).

Those expansion(s) are tracked below:


Site 406B: SPI Energy S4A Module Manufacturing Facility


This website, dashboard, and dataset are maintained by Jay Turner and student researchers in the Environmental Studies Department at Wellesley College. It is updated at least monthly. The data presented are compiled from publicly available sources. Summary statistics are incomplete and omit data from sites where publicly available information (regarding capital investments, employment levels, etc.) is unavailable. While we make every effort to ensure the information presented here is accurate, the information should be treated as estimates. We assume no responsibility or liability for any errors or omissions. The information contained in this site is provided on an "as is" basis with no guarantees of completeness, accuracy, or usefulness. The Big Green Machine® is a registered trademark. Please submit feedback using this formData on this site last updated on April 19, 2025. 

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