Tesla offers South Australia battery storage within 100 days

Tesla Motors CEO Elon Musk at Tesla Store opening in Westfield Mall, London, Oct 2013If only we could all be as optimistic, and energetic, as Tesla CEO Elon Musk. Even as Tesla gears up for mass production of the Model 3 electric car and a hoped-for annual production rate of 500,000 total cars by next year, Musk has found time to place a high-profile bet on the renewable energy part of Tesla's businesses. In this case, it has to...

Bipartisan governors’ group urges Trump to back solar, wind power

wind farmThe new presidential administration seems poised to take a radically different approach to energy policy than its predecessor. That approach is founded on denial of accepted climate science, and an expressed desire to promote the fossil-fuel industry, including the so-called revival of coal. But while the White House prepares to execute what looks...

Tesla’s battery farm on Kauai opens, large-scale solar energy for Hawaii

Solar Panels by Flickr user Chandra MarsonoEven before Elon Musk engineered Tesla's acquisition of SolarCity, the two companies were collaborating. SolarCity was already controlled by Musk, who believes its solar-energy business can be reinforced and complemented by Tesla's energy-storage business. Last year, Tesla announced a joint project with SolarCity to install a large battery farm...

U.S. household energy costs hit 50-year low

Photovoltaic solar panels on roof of Honda Smart Home at UC-Davis, CaliforniaSubstantial growth in U.S. renewable-energy capacity will undoubtedly have a positive environmental impact. But the reduction in carbon emissions renewable-energy advocates aim to achieve does not exclude potential benefits to consumers. Because as renewable-energy generating capacity has expanded significantly over the last decade, household...

Wind energy capacity in Europe now exceeds total coal output

wind farmWhile homeowners are more familiar with photovoltaic solar panels, large-scale wind power is an increasingly important part of the growth in renewable energy. For the first time, the total installed capacity of wind energy in Europe now exceeds the total output of electric powerplants fueled with coal. And that imbalance is likely to grow as more...

Solar power hits new U.S. heights: utility use exceeds home panels

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeNo matter how you measure it, 2016 was a major year for solar energy. More solar-generating capacity was added last year than either natural gas or wind, according to the U.S. Department of Energy. A study by investment bank and research firm Lazard found that utility-scale solar has now become the single cheapest form of unsubsidized electricity...

Big energy hugely underestimates electric cars, renewable power

2016 BMW i3Mass adoption of electric cars and renewable energy could significantly decrease global consumption of fossil fuels. But does the established energy industry view these new developments as a threat? In a recent report, ExxonMobil said coal could continue to provide the majority of the world's electricity-generation capacity in 2040, and that...

3 California battery storage sites come online, one from Tesla

Tesla and SolarCity energy storage array on Ta'u, American SamoaLong a leader in the push to reduce vehicle emissions and switch to renewable energy, California marks another milestone this week. The last of three battery energy-storage sites will come online in Southern California, providing storage and buffering for unpredictable renewable energy. Together, the three sites add up to capacity equal to fully...

Which oil companies invest in renewables, electric-car services?

Shell fuel station in EuropeIf electric cars are adopted by mass-market buyers in years to come, that will lead over time to notably lower oil consumption. So what are oil companies doing to prepare for that possible outcome? Some continue to doubt whether electric cars will constitute a serious threat to their business in the coming decades—but others are branching...

Exxon says coal will endure; other analyses beg to differ

Coal, by Flicker user oatsy40 (Used Under CC License)Renewable energy sources may eventually render fossil fuels irrelevant in energy generation, but when will the switch between the two energy sources occur? It's a question that fosters much debate among policymakers, environmental advocates, and financial analysts. For its part, ExxonMobil believes fossil fuels—notably including...

Offshore wind energy in U.K. far ahead of lower-cost target

Offshore wind farmThe winds of change are blowing harder in the U.K. The price of energy generated by offshore wind farms has been falling steadily, and ahead of schedule too. Costs have fallen 32 percent since 2012, bringing them below a target of £100 per megawatt-hour previously set by the U.K. government and utilities. DON'T MISS: When lauding renewables...

Energy storage batteries face biggest test in California

Tesla and SolarCity energy storage array on Ta'u, American SamoaFrom the perspective of both renewable-energy advocates and electric utilities, grid-scale energy storage offers many potential benefits. By storing energy in battery packs for later use, energy storage can make intermittent renewable sources like solar and wind into more reliable forms of power. It also helps utilities "balance" the gird by...

New bill in coal-producing Wyoming would ban renewable energy for utilities

Grand Teton, WyomingWhile renewable-energy use has grown substantially over the last few years, the regulatory environment remains volatile. Some states have worked hard to stimulate renewable energy, supporting infrastructure projects and offering incentives to consumers who install home solar arrays. But others have tried to restrict renewable energy, often at the...

When lauding renewables, look at utilization, not just capacity

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeThe news on the renewable energy front continues to be good, with the costs of wind and solar generation falling steadily. By some measures, large-scale renewable energy is now cost-competitive (or close) with the most efficient natural-gas electric plants. Moreover, the amounts of clean generating capacity installed continue to rise, both in...

All Dutch electric trains now running on 100-percent renewable energy

Dutch NS Sprinter electric train by Flickr user kismihok (Used under CC License)While modern electric cars have only been available in large numbers for a few years, electric trains have been commonplace for some time. As with electric cars, the source of the electricity used to power these trains impacts their overall carbon footprint. The cleaner an energy source, the cleaner the vehicles it powers. DON'T MISS: Alstom...

China’s five-year budget for renewable energy: $360 billion

ChinaDespite a recent downturn, the Chinese government is moving full-speed ahead to invest heavily in renewable energy. The country's national regulators have already promoted renewable energy as a possible cure for the country's notoriously-bad air pollution. But China has placed more emphasis on renewable power in its latest five-year economic plan...

Clean energy to grow, coal to fade, regardless of Trump EPA plans

wind farmPresident-elect Donald Trump's choice of Oklahoma attorney general Scott Pruitt to lead the Environmental Protection Agency (EPA) indicates that his administration will pursue radically different energy policies from its predecessor's. Pruitt is a climate-science denier, and has sued the agency he is being asked to lead multiple times. He has...

More solar energy was added in 2016 than natural gas or wind

Photovoltaic solar power field at Volkswagen plant in Chattanooga, TennesseeRenewable-energy growth has accelerated in 2016, but this may go down as a milestone year for one renewable-energy source in particular. Together, all renewable-energy sources are expected to account for 8 percent of U.S. electricity-generation capacity in 2017, according to the Department of Energy, and solar energy is responsible for most of...