… 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 and erect the … 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 and erect the … 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 and erect the …