6 Solar technologies to power the world

At last, solar energy is big enough and cheap enough to power electrical grids. Business 2.0 features the latest projects under the sun.

Microdishes
GreenVolts, a San Francisco startup, is building arrays of microdishes - dinner-plate-sized mirrors that concentrate the sun on an efficient solar cell. Small clusters of these microdishes are compact enough to be installed near cities, plugging directly into the grid to relieve overloaded substations.

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Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer LIBOR Warning: Neither BBA Enterprises Limited, nor the BBA LIBOR Contributor Banks, nor Reuters, can be held liable for any irregularity or inaccuracy of BBA LIBOR. Disclaimer. Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.