Siemens Gamesa, first global wind turbine manufacturer with an investment grade rating Standard & Poor’s awarded the company a BBB- credit rating with positive outlook and Moody’s assigned it a Baa3 rating with stable outlook Both agencies underscored the company’s leading position based on its diversification, technological strength and financial policy (WK-intern) - Siemens Gamesa Renewable Energy (SGRE) has become the first wind turbine manufacturer to attain an investment grade rating. The company obtained a BBB- long-term credit rating, with positive outlook, from Standard & Poor’s (S&P), and a Baa3 outlook stable rating from Moody’s. Siemens Gamesa has debuted in the public rating arena