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Commonwealth Fusion Systems

Energy equipment and solution in Cambridge, United States

148 Sidney St, Cambridge, MA 02139

Closed · Opens tomorrow 7:30 AM

Days of week	Open hours
Sunday	Closed
Monday	7:30 AM - 6 PM Veterans Day, hours may vary
Tuesday	7:30 AM - 6 PM
Wednesday	7:30 AM - 6 PM
Thursday	7:30 AM - 6 PM
Friday	7:30 AM - 6 PM
Saturday	Closed

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The world's largest and leading commercial fusion energy company

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Frequently asked questions

Q:

What is being built at the 59-acre Hospital Road site in Devens?

A:

Commonwealth Fusion Systems (CFS) has built a manufacturing facility, corporate offices and research facility for SPARC — a net energy fusion device currently under construction that will...

A: