Igors Irbie Demand answers Some offers can be misleading. If you don't use much electricity, high service charges can wipe out any savings you might get. Electricity generated from fossil fuels is a major source of air pollution.
Green energy tends to cost a bit more.
And sometimes it's blended with energy generated by non-green methods. Most states permit consumers to band together to buy electricity on their own. This process is called aggregation. The group easiest to join is a municipal aggregator-a city or township government that buys in quantity on behalf of its citizens. Some faith-based groups also aggregate members.