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Tesla's relaunched solar power efforts include $50 panel rentals
Tesla has relaunched its troubled solar power efforts, and that now includes an option that might be more affordable for some homeowners. The company has debuted a Rent Solar program that lets residents in six states (Arizona, California, Connecticut, Massachusetts, New Jersey and New Mexico) pay a monthly fee instead of making an expensive up-front purchase. You'll typically pay $50 per month ($65 in California), but Tesla will do all the hard work. There's no long-term contract -- Tesla is simply betting that you'll keep it for long enough for those fees to add up.
Cray is building a supercomputer to manage the US' nuclear stockpile
Supercomputers are used for everything from mapping weather patterns to developing medicine –- now, they're looking after the nation's nuclear stockpile. The US Department of Energy (DOE) and National Nuclear Security Administration (NNSA) have announced they've signed a contract with Cray Computing for the NNSA's first exascale supercomputer, "El Capitan."
Tesla's Megapack is a battery built for the electrical grid
Tesla's utility-sized energy storage has become a practical reality. The tech company has introduced the Megapack, a container-sized battery meant for "large-scale" storage that could help quickly deploy renewable energy and even replace conventional "peaker" power plants that come online when there's high demand. A single Megapack has up to 3MWh of storage, or roughly 14 times the 210kWh of a Powerpack. That, in turn, leads to very rapid deployments. Tesla claimed it could deploy a clean 250MW, 1GWh power plant in less than three months, or four times faster than a similarly-sized fossil fuel plant.
UAE debuts the world's largest individual solar power project
The United Arab Emirates might still be associated with oil money, but it just set a record for reducing its dependence on oil. The Emirate Water and Electricity Company has started running Noor Abu Dhabi, the largest individual solar power project in the world. At 1.18 gigawatts of peak capacity, it's only eclipsed by solar parks (where multiple projects share space) -- it makes the US' biggest facility, the 569MW Solar Star, seem modest by comparison.
Washington votes to decarbonize its electricity grid
Washington is one step closer to decarbonizing its energy grid. According to a bill voted in by the Washington House of Representatives last week, the state will end coal use by 2025, have a carbon-neutral grid by 2030 and its power sector will be emissions-free by 2045.
Renewable energy is on the rise, but so is demand for fossil fuels
Recent reports from major climate organizations are painting a very mixed picture for the future of global energy use. The International Renewable Energy Agency (IRENA) says that renewable energy now forms one-third of the world's total energy capacity -- its highest level ever -- but at the same time, the International Energy Agency (IEA) reports that energy demand is growing at the fastest pace this decade, and fossil fuels are leading the charge.
Tesla's Osaka station Powerpack is its largest storage system in Asia
Tesla has built another Powerpack system in record time, this time at Osaka train station in Japan, where it will be used as emergency backup and to reduce peak energy demand. According to the company on Twitter, the 42 Powerpack units will provide enough energy to safely move a train and its passengers for up to 30 minutes to the nearest station in the event of a power failure.
China wants to put a solar farm in space by 2025
Humanity uses a lot of energy, and while solar power here on Earth is doing a reasonable job of contributing to the electricity mix, scientists have long hypothesized that gathering the sun's energy from space would be a lot more effective. And now China says it's going to be the first to do exactly that, announcing plans to build an interstellar power station that will orbit the Earth at 36,000 kilometers.
Stanford AI found nearly every solar panel in the US
It would be impractical to count the number of solar panels in the US by hand, and that makes it difficult to gauge just how far the technology has really spread. Stanford researchers have a solution: make AI do the heavy lifting. They've crafted a deep learning system, DeepSolar, that mapped every visible solar panel in the US -- about 1.47 million of them, if you're wondering. The neural network-based approach turns satellite imagery into tiles, classifies every pixel within those tiles, and combines those pixels to determine if there are solar panels in a given area, whether they're large solar farms or individual rooftop installations.
California gives final approval to code requiring solar on new homes
While there was little doubt it would happen, it's now a done deal: California will require solar panels on most new homes. Officials at a December 5th Building Standards Commission meeting have voted for the new code, providing the last bit of approval necessary for the policy to take effect. New homes, condos and low-rise apartments will need eco-friendly power generation on their rooftops from January 1st, 2020 onward. The only exclusions are for homes that are either blocked by taller objects (like trees and tall buildings) or don't have room for panels.
Superconducting tape could lead to lower-cost wind power
Wind power is limited in part by how expensive it can be to make each turbine. You may need roughly a ton of rare earth metals per machine... and that adds up. It could soon be much less expensive, however. The EU-backed EcoSwing project recently upgraded a wind turbine in Denmark with superconducting tape that reduces the required amount of rare earth elements to as little as 1kg (2.2lbs). That not only dramatically reduces the costs (down from $45.50/kg to $18.70/kg), it reduces weight and size requirements. You can produce the same power for about half the weight and volume of a conventional turbine, the University of Twente's Marc Dhalle told Chemistry World.
A Chinese startup may have cracked solid-state batteries
Solid-state batteries have long been heralded as The Next Big Thing after lithium-ion, with companies from all quarters racing to get them into high-volume production. Dyson, BMW and car manufacturer Fisker are just a few names that have been working on the tech for the last few years, but now, reports suggest a Chinese start-up might be the first to have cracked it.
New solar cell generates hydrogen and electricity at the same time
In the ongoing pursuit of abundant, renewable alternatives to fossil fuels, scientists have produced hydrogen for fuel cells through artificial photosynthesis, which splits water into hydrogen and oxygen. Traditional processes have struggled to use optical, electronic and chemical properties in a way that makes this method efficient, but now researchers from Berkeley Lab have created a recipe that could completely bypass the limitations in current materials.
A major UK energy supplier is now 100 percent wind power
Scottish Power has become the first of the UK's "big six" energy companies to completely drop fossil fuels for electricity generation, after selling off its remaining gas plants to power company Drax in a £702 million deal. In a statement, Scottish Power said the move supported its vision to leave "carbon generation behind for a renewable future powered by cheaper green energy."
China bumps up renewable energy target to reduce reliance on coal
China, the world's biggest energy consumer, is stepping up its push into clean power with a revised renewable energy target. The nation is now aiming for renewables to account for at least 35 percent of energy consumption by 2030, whereas its previous target only stipulated "non-fossil fuels" making up 20 percent of energy use within the same time frame.
Renault is creating France's first 'smart island'
Back in February, Renault helped electrify the Portuguese islands of Madeira and Porto Santo -- a move not dissimilar to Tesla's efforts in Hawaii. Now it's at work again bringing power to the French island of Belle-Île-en-Mer, in a bid to create the first "smart island" in its home country.
Court rules accessing smart meter data constitutes a government search
Smart meters are designed to reduce energy consumption, lower household bills and, by extension, help the planet along a little bit. But could they also be used by the government to spy on you? This is the question that was thrown into the spotlight this week when the Seventh Circuit handed down a landmark opinion ruling, stating that data collected by smart meters is protected by the Fourth Amendment.
Ecobee smart thermostats now save you money during peak hours
Ecobee now has an answer to Nest's peak-usage energy savings. It's launching a Peak Relief pilot program that automatically cuts down on heating and cooling when electricity rates are at their highest. It uses your comfort preferences, home energy efficiency and the weather forecast to ramp up the heat or AC right before peak times so that you can reap the benefits of your smart thermostat without paying quite so dearly for the privilege. Ecobee reckons that you'll save an additional 10 percent on your bills on top of the 23 percent you're normally supposed to save.
Russian hackers are inside US utility networks
Russian hackers infiltrated the control rooms of US utility companies last year, reaching a point where they "could have thrown switches," The Wall Street Journal reports. The paper cites officials from the Department of Homeland Security (DHS) confirming that the hackers -- from a state-sponsored group previously known as Dragonfly or Energetic Bear -- gained access to allegedly secure networks, where they could have caused blackouts.
Liquid metal battery could lower cost of storing renewable energy
As dreamy as it might be to combine renewable energy sources with storage batteries, there's a problem: those batteries are expensive. It might take you years to recoup the costs. You'll be glad to hear, then, that Stanford scientists have a way to make those batteries more cost-effective. They've developed a liquid metal-based flow battery that can store electricity at a lower price, even on a large scale. A metal-producing mix of sodium and potassium serves as the negative side of the battery, providing nearly twice the maximum voltage of typical flow batteries (making them high-value) without having to resort to exotic chemicals or extreme temperatures.