On Thu, Feb 19, 2009 at 11:12 PM, Horace Heffner <hheff...@mtaonline.net> wrote:
> I don't understand why power > companies, even here, fight underground transmission so adamantly. Underground power cables are far more expensive to purchase, install and maintain. They usually need wholesale replacement in 20 to 30 years. I found this study on the web: http://buckplanning.blogspot.com/2009/02/underground-cables-would-cost-500m-more.html http://snipurl.com/capzd [buckplanning_blogspot_com] I'm sure overhead cable maintenance in Alaska is higher than Ireland; but, I doubt it outweighs the capital cost factor. Our utility's rate is a function of their capital cost. They are allowed something on the order of 13% ROI per annum. Terry
