This document describes the experience of developing and implementing a light-weight enterprise grid. A light-weight enterprise grid is a new model of enterprise grid computing that provides a simpler and more flexible way to build and manage enterprise grids. This document begins by introducing the concept of a light-weight enterprise grid, and then discusses its advantages and disadvantages. Next, the document describes the process of developing and implementing a light-weight enterprise grid. Finally, the document concludes with a summary of the lessons learned from the experience of developing and implementing a light-weight enterprise grid.