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2. Solar-powered pump - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_pump

   A windpump replaced by a solar-powered pump at a water hole in the Augrabies Falls National Park. [Notes 1] This solar water pump up to 3.7 kW is useful for farmers.Solar-powered pumps run on electricity generated by photovoltaic (PV) panels or the radiated thermal energy available from collected sunlight as opposed to grid electricity- or diesel-run water pumps. [1]

3. Stand-alone power system - Wikipedia

   en.wikipedia.org/wiki/Stand-alone_power_system

   An inverter is used to generate AC low voltage, which more typical appliances can be used with. A typical stand-alone solar PV system at a sewage treatment plant in Santuari de Lluc , Spain Stand-alone photovoltaic power systems are independent of the utility grid and may use solar panels only or may be used in conjunction with a diesel ...

4. Micro hydro - Wikipedia

   en.wikipedia.org/wiki/Micro_hydro

   Small micro hydro installations may successfully use industrial centrifugal pumps, run in reverse as prime movers; while the efficiency may not be as high as a purpose-built runner, the relatively low cost makes the projects economically feasible. In low-head installations, maintenance and mechanism costs can be relatively high.

5. Enphase Energy - Wikipedia

   en.wikipedia.org/wiki/Enphase_Energy

   The third generation M215 was introduced in 2011 bumping up the power rating to 215 Watts and adding trunk cabling, which increased installation speed by using one long cable run, with the inverters spliced in as necessary. The fourth generation M250 was released in 2013, [23] increasing the power rating to 250 Watts and efficiency to 96.5% ...

6. Water well pump - Wikipedia

   en.wikipedia.org/wiki/Water_well_pump

   These pumps, often submersible and powered by electricity, can access water reserves located much deeper than shallow wells, ensuring a consistent supply even during periods of drought. They include different kinds of pumps, most of them submersible pumps: Hand pump, manually operated; Injector, a jet-driven pump; Mechanical or rotary lobe pump ...

7. NFL hot seat rankings: Which coaches are in most trouble ...

   www.aol.com/nfl-hot-seat-rankings-coaches...

   Several coaches are squarely on the NFL hot seat entering Week 18, with Mike McCarthy and Brian Daboll among those facing uncertain futures.