NS DC-to-AC Conversion: Fuel Efficiency Gains for US Railways

Norfolk Southern celebrates the 1,000th **DC-to-AC locomotive conversion**, boosting fuel efficiency, reliability, and haulage. A significant **railway** modernization success!

NS DC-to-AC Conversion: Fuel Efficiency Gains for US Railways
October 10, 2025 2:54 am

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Introduction

Norfolk Southern Railway (NS) announced the completion of its 1,000th DC-to-AC locomotive conversion, a project finalized at the Juniata Locomotive Shop in Altoona, Pennsylvania.

Project Completion

The DC-to-AC locomotive conversion project was completed at Norfolk Southern’s Juniata Locomotive Shop.

Efficiency Gains

The modernized locomotives are up to 25% more fuel-efficient. Reliability improves by 40%, and haulage capacity increases by 55% following the conversion.

Extended Lifespan and Cost Savings

Each conversion extends a locomotive’s life by at least 20 years. The cost of each conversion is half that of purchasing a new locomotive.

Conclusion

Norfolk Southern Railway completed its 1,000th DC-to-AC locomotive conversion at the Juniata Locomotive Shop in Altoona, Pennsylvania. The upgrades result in increased fuel efficiency, improved reliability, greater haulage capacity, and extended locomotive lifespan at reduced costs.

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Company Summary

Norfolk Southern Railway: A major freight railroad company.

Technology

DC-to-AC locomotive conversion: The process of upgrading locomotives.

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