Electricity

The expansion of solar power to replace nuclear has hit a wall: The capacity of Japan's grid.

There's not much evidence that Daylight Savings Time actually cuts down on electricity use.

UPDATED: A short look at the history of how utilities became utilities.

A study says some leaders give preferential treatment to their home regions.

Elizabeth Pisani talks about the modern changes in Indonesia's economy.

The aging grid's main protection against attack is that it's too sprawling and complicated to all go down at once.

Widely reported: your smartphone uses the same amount of electricity as two refrigerators. Why some ideas stick around, true or not.

The inventor has been cast as Thomas Edison's more magical nemesis and contemporary -- and he's currently being celebrated at the New York Hall of Science.

A heat wave covering the Midwest and Northeast is expected to peak today -- and with it, demand for electricity to power air conditioning. People may be asked to conserve, but power grids expect they'll meet demand.