According to Talen Energy's latest financial reports the company's current revenue (TTM ) is £2.77 Billion. In 2015 the company made a revenue of £2.97 Billion an increase over the revenue in the year 2014 that were of £2.39 Billion. The revenue is the total amount of income that a company generates by the sale of goods or services. Unlike with the earnings no expenses are subtracted.