According to National Grid's latest financial reports the company's current revenue (TTM) is HK$179.99 B. In 2007 the company made a revenue of HK$158.48 B an increase over the revenue in the year 2006 that were of HK$126.60 B.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.