Energy Efficiency

Energy Efficiency news, analysis, research, how-to, opinion, and video.

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Apple's solar plant in Maiden, N.C.

Apple’s $850M Solar Plant Rockets it to First Place Among U.S. Corporations

Apple, which has been deploying solar power for years, this week announced another $850M investment, giving it capacity that will push it past Walmart as the largest corporate user of solar energy.

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Renewable Energy Costs Expected to Drop 40% in Next Few Years

New data released from the International Renewable Energy Agency shows the price of solar-generated power will reach price parity or become less expensive than electricity generated by traditional methods in many countries.

Photovoltaic panels

U.S. to Impose Big Tariffs on China and Taiwan for Dumping Solar Panels on Market

The International Trade Commission has voted to uphold findings that the two countries intentionally saturated the market with cheap photovoltaic cells, undercutting competition and driving prices down.

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Solar Industry Jobs are Growing at 20 Times the National Rate

In 2014, 31,000 new jobs were created in the solar industry, which accounts for nearly two percent of all new jobs created in the U.S. last year.

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Investment in Renewable Energy Soars for First Time in Three Years

Driven largely by oil price weakness, investments in renewable energy rocketed up 175% in 2014 compared to 2013; this year looks to be bright as well.

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Texas Instruments Builds an Alternative Energy for the Internet of Things

The Internet of Things is nothing without batteries and plugs. But it's possible to build a sensor network that uses harvested energy that comes from changes in temperature, vibrations, wind and light, as Texas Instruments will...

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Solar Demand Soars 16% This Year

About 44 billion watts worth of solar cell technology was purchased in 2014 due to growth in Japan and the U.S. market.

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U.S. Utilities Face Up to $48B Revenue Loss From Solar, Efficiency

A report from Accenture showed growth of distributed energy resources and energy efficiency measures could cause significant demand disruption and drive down utilities’ revenues in the U.S. and Europe.

Electricity prices throughout the U.S.

Rooftop Solar Electricity on Pace to Beat Coal, Oil

Rooftop solar power will reach grid parity in all 50 U.S. states in 2016, setting the scene for a dramatic increase in the uptake of household and commercial rooftop solar systems.

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iPad App Helps Energy Company Prevent Power Outages

LG&E and KU Energy uses helicopters to get a birds-eye view of damages and potential problems that could bring down power. The challenge came when the pilots tried to document and relay the info inflight.

Environmentally-friendly, energy-saving monitor

3 Power-Sipping Monitors Lower Energy Bills

Today's displays must be bright, fast -- and able to use electricity intelligently. We test three 27-in. power-saving monitors to find out how they perform.

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Gamification Helps Utility Companies Change Customer Behavior

ComEd, National Grid and other utilities use analytics to get consumers to compete with neighbors and encourage whole towns to conserve -- and earn rewards.

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IBM’s Solar Concentrator Can Produce Energy, Clean Water and AC

IBM Research and Swiss-based Airlight Energy have created a solar concentrator that looks like a giant sunflower and can produce 20kW of power per day, along with clean water and hot or cool air.

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Tesla Chooses Nevada for its $5B Gigafactory

Several reports and a tweet by Nevada’s governor have pegged that state as the new site for Tesla’s massive $5 billion battery factory.

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Verizon to Become Solar-Power Leader in the U.S. Telecom Industry

Verizon this year is doubling the amount of sustainable energy by investing an additional $40 million in solar power plants in five states.

How Tesla Will Help Bring Renewable Energy to Your Business or Home

Tesla Motors and other manufacturers have set their sites on achieving lower lithium-ion battery costs through economies of scale, which should enable power storage systems for solar energy.

Solar Power War Between U.S. and Asia Escalates

On the positive side, with the influx of cheap solar cells, the U.S. will be able to achieve its six-gigawatt installation goal this year

Stanford Researchers Show Off Blueprint for Self-Healing Lithium Battery

Carbon nanospheres protect lithium anodes.

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