| Article ID: | iaor19951687 |
| Country: | United Kingdom |
| Volume: | 8 |
| Issue: | 1 |
| Start Page Number: | 28 |
| End Page Number: | 32 |
| Publication Date: | Jan 1995 |
| Journal: | OR Insight |
| Authors: | Neebe A.W., Hobbs J. |
| Keywords: | programming: integer |
Carolina Power & Light Company (CP&L) provides electrical power to customers in North and South Carolina, U.S.A. The company must provide for the shipment of approximately 10 million tons of coal annually from coal mines to its coal-fired generating plants. The objective is to minimise the total freight costs. This coal distribution problem is described, modelled as an integer linear programming problem, and solved on a microcomputer. The solution has been implemented by CP&L resulting in improved long-range planning at lower cost.