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May 14, 2010

Off-grid electricity: produce, save and store

Off-grid energy supply is a task that has to be analyzed on three levels:

  • producing the energy from any off-grid source, preferably renewable
  • reducing energy use,
  • storing it for future when supply exceeds demand.

True off-grid life means using only free renewable (sometimes referred to as alternative) energy sources. But solar photovoltaic panels and wind turbines supply you with power only when the solar/wind power is available. There are only two ways to simple deal with this problem. But neither of them is a good one.…

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Carrizales, no cloacas

Este artículo fue traducido del original por Nicola y Jaime a www.pisaligeramente.es

Melvyn Rutter es Consultor de Calidad del Agua y Tecnologías de Filtración Carrizal. El está  interesado en la construcción de sistemas en España, así que si estás interesado en la instalación de un carrizal póngase en contacto con pisaligeramente (info@pisaligeramente.es ) en Español o Melvyn Rutter (www.yes-reedbeds.co.uk) en Inglés.

Filtración de carrizales es un método natural para el tratamiento de aguas residuales. Científico ambiental internacional, Melvy Rutter es un entusiasta renacido del carrizal. Aquí describe su viaje personal.

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