Energy Efficiency

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

SolarCity rooftop panels
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Samsung may beat Apple to cutting-edge car technology

Study of patents suggests Apple won't be the first tech firm to release a cutting-edge car

rooftop solar installation

New solar installs beat wind and coal two years in a row

Solar accounted for 32% of the new electical generating capacity in the U.S. in 2014, beating out both wind and coal for the second year in a row, according to a new report.

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Within 15 Years, Solar Will Be a Dominant Energy Source

Declining solar panel costs, and improving financing and customer acquisition costs, are expected to help solar energy generate $5 trillion in revenue by 2030, a 10-fold increase over today.

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The World's Biggest Solar Energy Projects

More than a dozen solar energy projects -- each of which will generate more than 100 megawatts of energy -- are either being built or have been completed.

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First U.S. Offshore Wind Farm Moves Ahead with $290M in Financing

The Providence-based developer of Deepwater Wind, what will likely be the country's first offshore wind farm, has closed on more than $290 million in financing for a five-turbine demo of the renewable power source.

Toyota Mirai

Toyota Begins Production of its First Hydrogen Fuel Cell Car

Toyota this week held a ceremony marking the beginning it its production of the Mirai, which will begin selling later this year at a base price of $57,500.

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How Regulators and Legislators Make it Harder for You to Use Solar Power

While solar power is leading other sources for new electrical capacity, the distributed power movement, where homeowners and businesses deploy photovoltaic panels on site, is under assault by utilities and fossil fuel interests.

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.

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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.

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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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