---
title: Product Feature – PRIME Fuel Package
description: Westinghouse’s PRIME™ advanced fuel features help utilities to improve fuel performance, enhance fuel reliability, enable better fuel cycle economics and provide additional margin at uprated conditions and higher burnup.
image: https://info.westinghousenuclear.com/hubfs/Prime_fuel_Blog_post.jpg
---

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![Post1_PRIME Fuel Package](https://info.westinghousenuclear.com/hubfs/Blog/Post1_PRIME%20Fuel%20Package.jpg "Post1_PRIME Fuel Package")

# Product Feature – PRIME Fuel Package

 March 16, 2026 by [Westinghouse Electric Company](https://info.westinghousenuclear.com/blog/author/westinghouse)

**Categories:** [Nuclear Fuel](https://info.westinghousenuclear.com/blog/tag/nuclear-fuel)

*Westinghouse’s PRIME™ advanced fuel features help utilities to improve fuel performance, enhance fuel reliability, enable better fuel cycle economics and provide additional margin at uprated conditions and higher burnup. *

The package of features includes optimized enhancements with proven reliability and world-class leadership in the design and manufacture of nuclear fuel.

PRIME fuel features are currently in operation in several nuclear reactors and are available for the 17x17 Robust Fuel Assembly 2 (RFA-2), 17x17 Optimized Fuel Assembly (OFA) and 15x15 Upgrade Westinghouse fuel designs. 

**Product Details**

- Industry-leading mitigation features that add multiple layers of defense against debris fretting
- Improved corrosion resistance and structural stiffness
- Increased grid-to-rod fretting margin
- Lower pressure drop to improve flow and enhance thermal margin 

[Explore more advanced fuel products](https://www.westinghousenuclear.com/nuclear-fuel/).

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