you can, electric companies are required by law to pay you the lowest rate that it costs them to either generate power or purchase it from a power generation company...
http://en.wikipedia.org/wiki/Public_Utility_Regulatory_Policies_Act
Its called PURPA. I think its getting to where it's not enforced but simply saying you cant is just incorrect. In some states its encouraged.
YesYes, in many places if you install solar panels on your home you can sell any excess electricity that you don't use back to the power company (if you are still hooked up to the electricity grid). This often done by people who supplement their electricity needs with solar panels. During the day, they make more electricity than they need, and they sell it back to the power company. At night, when their solar panels are not supplying any energy, they used power from the power company. This solves the problem of having to store the electricity yourself (since every night the sun goes down!). If you do want to sell energy back to the power company you need to install a "net meter" if your power company offers one. It's the net meter that is able to spin backwards to track how much energy is pumped back into the grid. You can read more on the technology involved in residential solar energy on this site: http://residentialsolar101.org/.
Voltage
Back Rack is a company that sells tailgate accessories for trucks. Back Rack sells many customized tool box's for trucks. That also sell tailgate covers.
mighty river power
Stockholders can sell their shares in the company at any time
stockholders can sell their shares in the company at any time,
The Penelec Company is a FirstEnergy Company. The company provides energy just like the major industry of ComEd. They provide General Public Utilities power. Penelec is involved with FirstEnergy, which is a large-scale corporation that deals on the transmission, distribution, and the generation of electricity.
Stockholders can sell their shares in the company at any time.
You can sell the jazzy power chair at your local ebay or auction classified.
The company NZXT sell electronics. They sell iTouch screen fans, laptop computer cases, modems, power cords, cooling fans and spare parts for various products.
It would be far to expensive to do so.
Duke Energy is an energy company that primarily focuses on providing electricity to customers, so they do not directly sell heaters. However, they may offer energy-efficient programs or rebates for customers to purchase and use energy-efficient heaters in their homes.