Over 800,000 New Mexicans will face price hikes in their electric bills after a Colorado-based company and its 44 local co-ops voted 43-1 to raise the rates by 4.5 percent. Tri-State, which services 1.5 million customers in four states and covers some 200,000 square miles, generates the electricity, while its 44 cooperatives purchase the electricity in bulk for more competitive rates