… When Walmart de México y Centroamérica decided to buy the power generated by the Electrica del Valle de México’s (EVM) wind farm, EVM’s struggling … would not have been able to line up financing. With Walmart de México’s 15-year PPA (Power Purchase Agreement) in hand, the developers were able to gain financial backing, buy … of projects or just concentrate on one technology? How could Walmart de México expand the program outside of Mexico to the other central American countries in which it operated? Was …