As winter creeps closer, homeowners are warned not to fall into the trap of ignoring their most inefficient appliance.

In 2009, solar owners earned credits from generous feed-in tariffs. Today, savings still stack up, especially with batteries ...

None are connected to the power grid ... is powered by solar panels and hydropower generated by a micro-hydro system in Rosy Branch Creek. Residents catch water off roofs for use in irrigation.

Abstract: Hybrid ac/dc off-grid topologies offer the combined advantage of higher energy efficient dc loads, and existing low-cost ac loads. Such budding topologies tender a promising solution for ...