The linchpin to Tesla’s proposed merger with SolarCity is the Gigafactory and whether it can lower costs and improve battery performance.
Critics don't think Tesla can sell enough home batteries to justify its acquisition of SolarCity, but what they're underestimating is the potential for innovation the Gigafactory brings.
Windbacks to solar subsidies may encourage larger systems.
Solar panel image from www.shutterstock.com
Many households in New South Wales, South Australia and Victoria will lose their subsidies for solar power this year.
Solar photovoltaics, along with wind energy, now represent the bulk of new Australian energy.
Photovoltaics and wind energy now have such a large head start that no other low-emission generation technology has a reasonable prospect of catching them.
Tasmania’s hydro power is dependent on rains.
Dam image from www.shutterstock.com
Catch 22: renewable energy can help fight climate change, but climate change might prove hard on renewable energy.
Solar panels on a Walmart roof, Mountain View, California.
Solar power has enormous potential, but provides only about one percent of world electricity today. An engineer explains the many steps it takes to make solar panels that are efficient, clean and cheap.
Despite the benefits of going renewable, it may be harder to get there than we thought.
Indigo Skies Photography/Flickr
Phasing out fossils fuels would go a long way to stopping dangerous climate change – but it might be harder than we thought.
Investment in renewables has slowed to trickle.
Renewable energy has had a rough time in Australia. Good climate policy could fix that.
Thinking of going solar? Prices are approaching the cost of grid electricity, but only in some places – so far.
When will residential solar be cheaper than the cost of power from the grid? This point of 'grid parity' is a moving target but moving closer in a number of places.
Energy Minister Josh Frydenberg, speaking on Q&A.
Energy Minister Josh Frydenberg told Q&A that Australia has the highest number of solar panels on people's roofs per capita anywhere in the world. Is that right?
Solar power in suburbia: what’s not to like?
Utilities are pushing back against the spread of rooftop solar power and charging bigger fees to solar homes. Who is right in this solar-versus-utilities fight?
Before jumping into the home battery market, make sure you do your research.
The 'early adopters' of home battery storage will pay significantly more than those who come later, but it won't be long until prices drop enough for many more to get on board.
A solar array goes up in New York. Is this the best place to locate solar, given the relatively clean New York state grid?
The wind and solar industries scored a huge win by getting extended tax credits, but research shows this isn't the best policy for lowering emissions through renewable energy.
The Herbert solar plant in the Northern Cape, South Africa. The panels face the sun squarely and constantly.
Solar power is a key piece of South Africa's energy puzzle.
Might the sun set on this technology before it’s even taken off?
Solar panels and roads — combining them just makes sense to help meet our clean energy needs, right? Maybe not quite.
More people are installing solar panels to take control of their electricity supply.
Solar PV image from www.shutterstock.com
Updated forecasts from CSIRO suggest electricity prices will continue to rise as more renewable energy enters the grid.
South Africa has installed solar water heaters in low cost housing areas. It should be installing solar PV for energy.
South Africa has been slow to adopt renewable energy sources. One option, which has proved successful elsewhere, would be to install solar photovoltaic panels on rooftops in low-income areas.
Disase carrying insects are attracted to light bulbs – a constraint of domestic solar energy.
Solar is a vital piece of the energy puzzle for Africa, but there is an insect problem that comes with the light from solar.
Real hot: the Ivanpah solar power plant and others like it use mirrors to produce heat to make steam and drive an electricity turbine.
The massive Ivanpah solar power plant uses natural gas – even more than it expected last year. It's not ideal, but solar power and natural gas are a powerful, and relatively 'green,' combination.
Rooftop solar panels: will they kill power companies or can they help them?
Many utilities see rooftop solar as a threat, but solar power can actually lower the cost of power they – and their consumers – need to pay during hours of high demand.
Renewable energy developers choose sunny locations, which can be near protected lands.
Study shows that many of the utility-scale solar power plants in California have been placed near protected and environmentally sensitive lands.