An administrative law judge's decree that Xcel Energy must “put its money where its mouth is” has cast an ominous cloud over a 140-mile power line proposed in Colorado's sun-drenched San Luis Valley. Conservationists and the state's largest utility argue the line is desperately needed in order to bolster Colorado's renewable energy portfolio, but an evironmentally-minded billionaire landowner says there are viable alternatives that won't have nearly the impact on his sprawling Trinchera Ranch.