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2. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [6] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

3. Off-the-grid - Wikipedia

   en.wikipedia.org/wiki/Off-the-grid

   Off-the-grid or off-grid is a characteristic of buildings and a lifestyle [1] designed in an independent manner without reliance on one or more public utilities. The term "off-the-grid" traditionally refers to not being connected to the electrical grid , but can also include other utilities like water, gas, and sewer systems, and can scale from ...

4. Autonomous building - Wikipedia

   en.wikipedia.org/wiki/Autonomous_building

   Current practical, comfortable domestic water-heating systems combine a solar preheating system with a thermostatic gas-powered flow-through heater, so that the temperature of the water is consistent, and the amount is unlimited. This reduces life-style impacts at some cost in autonomy. Solar water heaters can save large amounts of fuel. Also ...

5. Off-grid solar breakthrough purifies river water and produces ...

   www.aol.com/news/off-grid-solar-breakthrough...

   The device works off-grid so could prove useful in places with limited resources. Nearly 2 billion people lack clean drinking water, and 775 million live without electricity around the world.

6. Stand-alone power system - Wikipedia

   en.wikipedia.org/wiki/Stand-alone_power_system

   Schematics of a hybrid system. A stand-alone power system (SAPS or SPS), also known as remote area power supply (RAPS), is an off-the-grid electricity system for locations that are not fitted with an electricity distribution system. Typical SAPS include one or more methods of electricity generation, energy storage, and regulation.

7. Duke Energy’s electrical grid failed the stress test. NC ...

   www.aol.com/news/duke-energy-electrical-grid...

   The lights are back on in North Carolina, but Duke Energy has left us in the dark on what caused the blackouts in the first place. This weekend, thousands of North Carolinians lost power amid one ...