It is the largest generation and transmission company in Brazil.
Under deregulation, a number of the utilities in those states are shrinking to become transmission companies.
The other license is assigned to a "non-wireline" radio transmission company.
Sonat, which earned $86 million on $1.15 billion in revenues during the first nine months of 1987, is primarily a natural gas and transmission company.
Contents of a grid code vary depending on the transmission company's requirements.
As a result, their electricity is less costly than that from coal or natural gas, and transmission companies buy from them first.
What has emerged are separate generating and transmission companies, which sell and buy power from a pool.
Ready Built Transmission Company: This program has not began yet but is expected to begin by the end of 2007.
The transmission company was a major seller of gas to customers and had locked itself into what became high-priced contracts to assure a supply.
Houston is home to 13 of the nation's 20 largest natural gas transmission companies, 600 exploration and production firms and more than 170 pipeline operators.