The cause was a rolling brownout, due to a California heat wave and excessive use of air conditioning.
Mr Liddell argues that the increased use of air conditioning, particularly in summer, is also leading to much higher fuel bills.
Consumers can help by shutting off unnecessary lights and electrical appliances, minimizing the use of air conditioning and delaying laundry and other activities requiring electricity-consuming appliances until later in the evening.
"Hot and muggy weather and continuous heavy use of air conditioning remain the single largest factor affecting peak electricity demand in the summer, " Edward Schwerdt, president of the power coordinating council, told reporters on a conference call.
The authors point out that while the price of fuels may be increasing, it is but a small fraction of the cost of the actual services people use, from air conditioning to manufacturing.
If the tarmac delay is more than an hour, the airline must provide air conditioning, use of toilets and water.
Setting the temperature while the vehicle is on the charger can make the cabin more comfortable so the driver can minimize the use of the heat or air conditioning.
The calculation is based on annual air-conditioning use of 1, 622 kilowatt-hours of electricity, reasonable in hot places like Texas but not in the Midwest, where the average home uses fewer than 1, 000 kilowatt-hours.
In exchange for a more substantial energy-bill savings (5-10% of the summer's air-conditioning tariff), participating customers agree to an "Auto-Tune" of their Nest, a three-week adjustment period where the algorithms plan a regime that routinely rejiggers air-conditioning use during the day.
However, that distance depends largely on factors such as vehicle speed, number of passengers, ambient temperature and use of accessories like heating and air conditioning.
Driving range may vary in real world operation, due to the effects of environmental conditions, terrain, air conditioning and heating use, driving style and other factors.
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In practice, people "can't be bothered" in the UK to make changes, says Prof Anderson, partly because energy is too cheap, and partly because we don't use as much power-hungry air conditioning equipment as other countries.
Through CARWINGS, Nissan LEAF drivers are able to use mobile smart phones to turn on air conditioning and set charging functions remotely, even when the vehicle is powered down.
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People Power: The company offers software to enable consumers to use their smart phones to remotely manage their home energy use, such as turning on and off air conditioning systems.
In his brilliant 1991 design for Frankfurt's Commerzbank, the tallest office building in Europe, he brought off the seemingly impossible feat of building a supertower that could use natural ventilation (as against fuel-gobbling air conditioning) during 60% of the year.
These saving arise from the elimination of CRAC units and chillers, plus the ability to use smaller generators, UPS units, and much smaller air conditioning units.
Designers claim that plants not only provide a beautiful alternative to other materials used in construction, they also offer additional benefits, including noise reduction, natural cooling, air conditioning and a psychological boost to those who use the buildings.
For example, because normal air conditioning is inadequate for lunar conditions, we were required to use cold water to cool the interior of our suits.
Chua told CNN that she and Tan had taken technology and processes commonly used in air conditioning and air purifying units and adapted it for an alternative use.
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