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TerraPower Isotopes Manufacturing Facility at The Bellwether District

Sector: Nuclear • Location: Philadelphia, Pennsylvania, United States

Source: WHYY

Project
Planned

TerraPower Isotopes, a division of a nuclear science company founded by Bill Gates, plans to invest $450 million and lease a 250,000-square-foot custom facility at the former South Philadelphia refinery site known as The Bellwether District. The company will manufacture actinium-225, a rare, radioactive isotope used in developing targeted cancer treatments. The facility will create 225 full-time j

Status
Prospective
Sector
Nuclear, Oil and Gas, Manufacturing (Industrial)
Location
Philadelphia, Pennsylvania, United States of America
Updated
22 Jul 2026
Source
WHYY

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The project “TerraPower Isotopes Manufacturing Facility at The Bellwether District” is an infrastructure initiative in the Nuclear sector, located in Philadelphia, Pennsylvania, United States. Taiyo aggregates data on it from WHYY.

Participants

Not available for this record.

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

TerraPower Isotopes, a division of a nuclear science company founded by Bill Gates, plans to invest $450 million and lease a 250,000-square-foot custom facility at the former South Philadelphia refinery site known as The Bellwether District. The company will manufacture actinium-225, a rare, radioactive isotope used in developing targeted cancer treatments. The facility will create 225 full-time jobs and around 500 temporary construction jobs. Construction will start in spring 2026, with operations beginning by 2029.

Original sector

Energy

Budget

Location

Country

United States of America (USA)

State

Pennsylvania

City

Philadelphia

Source

Source

WHYY

URL

More Details

Record type

Project

Sector

Nuclear, Oil and Gas, Manufacturing (Industrial)

Article published date

2026-03-21

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