Solar Thermal Fluids - Why It Is So Important To Choose The Right Fluid
The most popular fluid used in CSP plants is the eutectic mixture of BDO. This fluid has a high operating temperature (up to 400 degrees Celsius), a low viscosity and good thermal stability.
Is the US undermining India's solar power programme?
Justin Rowlatt for BBC News: Whatever happened to all the talk of international co-operation to tackle climate change that we heard during the climate conference in Paris just a few months ago?
That is what many environmentalists are asking after the United States delivered a damaging blow to India's ambitious solar power programme this week.
In response to a US complaint, a World Trade Organization (WTO) panel has ruled that India's National Solar Mission breaches trade rules.
It judged that India's policies on buying locally made solar power equipment discriminates against imports.
"The ink is barely dry on the UN Paris Climate Agreement, but clearly trade still trumps real action on climate change," Sam Cossar-Gilbert of Friends of the Earth International said in a statement.
But is the decision really as damaging as many commentators seem to think?
Let's start at the beginning. Cont'd...
Monumental Market Conditions Revealed as First Mexican Clean Energy Capacity Auction Prequalification Bid Window Closes
The first auction price bids are due in March, and prequalification for the second renewable auction in Mexico is expected to take place in as early as May or June.
The oil industry has invented an ironic new use for solar power
Cassie Werber for Quartz: There’s a huge project taking shape in the deserts of Oman. It will extract crude oil from the ground by pumping vast quantities of steam into it. To produce the steam, water will be brought to a boil using as much as a gigawatt of energy. The source of that energy: the sun.
Using solar power to get fossil fuels out of the ground will strike some as ironic—especially since, if that method weren’t available, the high cost of extracting the oil might lead to more pressure to use cleaner energy sources, such as solar, instead.
But GlassPoint, the American company behind the new technology, says that the project and others like it will help fossil-fuel drillers limit carbon emissions. The process of “enhanced oil recovery,” where steam is used to loosen thick oil and make it easier to pump, usually involves burning natural gas to heat water. GlassPoint says its technology can cut that gas consumption, and the consequent carbon emissions, by up to 80%. Cont'd...
Sampling And Chemical Analysis Of Solar Heat Transfer Fluids
Heat transfer fluids (HTFs) are used in a variety of processes to connect a source of heat with a system requiring thermal energy and are commonly used in CSP plants.
Employment Opportunities In The Energy & Sustainability Industry
For those seeking employment in the Energy & Sustainability Industry, I would recommend the LEED certification as well as the Certified Energy Manager certification (CEM). Both of these on a resume make a candidate within the industry considerably more attractive.
Coalition of US states pledge to accelerate renewable energy efforts
Oliver Milman for The Guardian: A bipartisan group of governors from 17 states has pledged to accelerate their efforts to create a green economy in the US by boosting renewables, building better electricity grids and cutting emissions from transport.
An accord signed by the governors states that the US must “embrace a bold vision of the nation’s energy future” by reducing emissions, transitioning to clean energy sources and ensuring that infrastructure isn’t risked by extreme weather events such as floods and wildfires.
The agreement sets out commitments to expand renewable energy and energy efficiency and integrate solar and wind generation into electricity grids. These grids will be “modernized”, the accord states, to improve energy reliability. Cont'd...
Windpower Finance and Investment Summit
A significant issue for wind may well be maintaining its price competitiveness vis-a-vis solar as the PTC amount goes down over the next five years while the ITC used by solar will remain at 30% through 2020
The Koch Brothers' Dirty War on Solar Power
Tim Dickinson for Rolling Stone: The full political might of Florida's IOUs was on display in December, when a deceptive campaign, funded by the state's electric utilities, crushed a citizen-led effort to open Florida to solar competition through the 2016 ballot. "When your opponents have no ethical foundation, have unlimited resources and are willing to say and do anything to defeat you," says Stephen Smith, director of the Southern Alliance for Clean Energy, which led the pro-solar effort, "it's a tough hurdle to overcome."
It should come as no surprise that the utilities have fought so hard. The rise of cheap, distributed solar power poses a disruptive – and perhaps existential – threat to the traditional electric utility business.
Monopoly electric utilities used to make sense. Dirty power, generated at a distance from population centers, was carried over a set of transmission lines to homes and businesses. Consumers got reliable power from a single provider. IOUs were guaranteed a profit – both for building power plants and transmission lines as well as for the electricity itself. Full Article:
Renewable Energy Readiness of Pakistan
Distribution companies are reluctant to expand grid into rural areas and revenues for tariffs cannot provide sufficient returns to recover the investment. Providing energy access to such villages through stand-alone off-grid solar systems or mini or micro-grids can provide them access to modern energy sources.
SAENORE - South Asian Experts Network on Renewable Energy
SAENORE will create and maintain knowledge transfers amongst renewable energy experts in South Asia and it will work in the areas of Energy efficiency, Solar Energy, Wind Energy, Small Hydro Power, Bio-energy and Geothermal Energy.
Distributed Energy Resources
The introduction of more DERs on utility systems and at customer sites provides support for increased reliability and resiliency, if appropriately located and properly configured.
MIT Tool Gives the Cost of Installing Solar Panels on Any Roof in Your City
Daniel Oberhaus for Motherboard: The world, it seems, is falling in love with solar energy. Recent years have seen the increasing adoption of solar power around the world as an alternative energy source for everything from individual homes to the entire energy grid, with the United States’solar capacity having grown to 24 GW, a more than a 17-fold increase since 2008. Part of this rapid growth for solar infrastructure is the result of markedly more efficient solar energy cells, but in spite of these recent technological advances, transitioning to solar power still doesn’t make sense (at least economically speaking) everywhere.
Installing photovoltaic systems can be pretty pricey, and home- and business-owners have to engage in a complex cost-benefit analysis to see if transitioning to solar power is an economically sound idea. The “pain-in-the-ass” factor of such calculations alone might be enough to turn people off of the idea of contemplating installing a photovoltaic system, so the folks at MIT came up with a solution: Mapdwell.
Mapdwell maps the solar potential of entire cities by doing a cost-benefit analysis for every rooftop to determine if installing solar panels on that rooftop is worth the investment. All you do is enter your address into the program, and it will tell you the expected installation costs, the number of years it will take to earn back this investment from your photovoltaic system, the amount of carbon offset by the installation, as well as incredibly detailed installment specs such as the optimal panel tilt and the number of panels that could fit on the roof. Cont'd...
This year will be a solar-powered Super Bowl
By Jeff Clabaugh for WTOP: Levi’s Stadium in Santa Clara, California, will set the stage for Sunday’s Super Bowl, and it will be a solar-powered event.
Levi’s Stadium, which opened in July 2014, is the first professional football stadium in the NFL to open with LEED Gold certification, according to the Solar Energy Industries Association in Washington.
Princeton, New Jersey-based NGR Solar LLC installed more than 1,150 solar panels at the stadium during its construction — enough to produce 375 kilowatts of peak power. The system can generate enough power in a year to meet electricity demand during every San Francisco 49ers home game.
The solar panels cover three bridges that connect the stadium to the main parking lot and the “NRG Solar Terrace” that overlooks the field.
There are 544 solar panels on the stadium roof and another 642 on the bridges, which also serve as canopies covering the bridges. Cont'd...
Net Metering - Doing it Right
Companies selling PV systems are concerned that if utilities add a set fee for solar customers to remain connected to the grid to take in electricity at times when the sun isnt shining, or if utilities decrease the retail credit for the times when customers send their excess generation back to the grid, people will be less likely to put panels on their roofs.
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