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Many people who have worked in Puerto Rico, have concluded that
. . . microgrids, such as the ones sonnen is pulling together,
. . . are really the only viable technology to supply secure power for the island.
Many have stated that rebuilding the grid as it was, is a fool’s errand,
. . . because it will just be destroyed again.
Having a stockpile of coal at a power plant,
. . . provides no security when the transmission lines are down.
Microgrids, however, can be maintained, and repaired locally,
. . . they can keep going when the grid has failed.
. . . And if they are renewably powered microgrids,
. . . they are independent of fuel.

Christoph Ostermann, a founder and now the CEO of sonnen,
. . . entered into a partnership with local energy company Pura Energia.
Together they have donated,
. . . 6 systems called “Energy Oases” at key sites on Puerto Rico.
. . . 9 more systems are being planned for construction soon.
https://www.youtube....h?v=KItKwhLgso4

These microgrids are important,
. . . because they can continue to function when the electric grid has failed, and
. . . they require no fuel to operate.
https://www.youtube....h?v=9anja_uOG4w

12-1-2017 Source: Puerto Rico #Energy