isolating the grid from the earth. Here, the voltage is typically stepped down from 22 kV to 19 kV. One side of the secondary is the single transmission wire and the other side goes to earth ground.

In this week's issue of our environmental newsletter, we look at how university students are designing off-the-grid homes as ...

The outburst can interfere with power grids and cause blackouts, as well as fry satellites and interfere with GPS ...

Earth is overdue for a dangerous ‘superflare’ from the Sun that could wipe out satellites and power grids, scientists have warned. The flares, which burst from the Sun’s surface at more than ...

Near Taos, New Mexico, an architect and developer named Michael Reynolds has been pursuing the off-grid dream for decades. A community of his funky looking, rammed-earth structures called ...