Energy

Energy

Manage your own power station

Useful article on producer.com which explains the math of power consumption – what is a kilowatt hour exactly? And goes through a checklist of energy-consumption behavior you will want to change when you begin to live off-grid.

Electrical consumption must be reduced by transferring major heating loads to other sources of energy. Electrical clothes dryers and water heaters can be replaced by gas-powered units. Hot water heating can also be done with solar thermal systems or be fired by gas or wood. Your building’s energy efficiency, passive solar collection and natural indoor lighting become much more important when trying to get off the grid.
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Communities

Freezer to fridge conversion

Living off-grid, I get questions from time to time, mainly about how we live, some even think we must live in a cave and eat dirt and wear skins…  I said I live off-grid, but we don’t live that primitively! :) I do enjoy some of the modern conveniences of life, including having a place to keep perishable foods, aka a refrigerator.

When we first moved off-grid, in Dec ’07, we brought with us a small, dorm sized fridge, but honestly we didn’t use it much, only plugging it up on the occasions when I brought home a gallon of milk or a pound of ground beef, once the perishable food was gone, we unplugged the fridge. What I quickly found out was the standard type of fridge used up a LOT of power and they tend to be very inefficient.…

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Energy

China prioritises off-grid power

China may be the world’s biggest emitter of greenhouse gases but it’s also the biggest green economy.

Now Beijing has asked local governments across the nation to submit proposals for “non-grid-connected” (ie off-grid) solar power generation projects, whose total scale exceeds targets set under the current 5 year plan by 50%.
The development comes at a time when international demand for solar panels is weak and industry overcapacity and corporate losses are severe, said state-owned media. It would help domestic solar panels and parts makers, but analysts said implementation would bypass the powerful power distribution monopoly State Grid Corp.
The National Energy Administration this week,demanded all the provinces and municipalities to submit implementation proposals, the China Securities Journal reported, citing unnamed sources.…

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Energy

Super-efficient generator

Watch out for Shannon Miller and her company EtaGen. Her generators may soon be providing a power solution in places with little sun or wind.

It’s hard to radically improve the internal-combustion engine. But Shannon Miller may have done it, by getting it to work at extremely high compression and expansion ratios. Miller’s engines use 33 percent less fuel than conventional gas-powered generators.…

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Energy

Eco-tricity on a still and cloudy day

BioLite stove products are making camping and cooking with wood more eco-friendly, and providing an off-grid power source for charging phones, lights, and other electronics where there is no sun or wind.

There has been a flurry of new products offering an off-grid power supply. Bio-Lite is one of the most innovative.
A brainchild of New York-based, Smart Design, BioLite is a wood-burning stove that utilizes its own thermal energy to burn wood as cleanly as gas. Amazingly, it also converts waste heat into electricity, powering not only a combustion-improving fan, but also electricity to charge phones, lights, and other electronics off the grid.
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Energy

Horse Power

Here is an idea that ought to be included in Revolution, the new JJ Webber series, on NBC.

When I was writing my book OFF THE GRID I travelled all over visiting people – this picture was taken in an Amish community in Kentucky where electricity was banned – only motive power is allowed.

What you see here is true green energy:- the horse eats grass and produces energy. Several homes in this community have adopted horse-power. As the horse turns the treads, motive power is generated via the red tube to power an icebox, washing machine, or any other motor. …

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Energy

World Economic Forum launches energy propaganda unit

Be Warned.

The World Economic Forum has launched their Energy for Society initiative, “which seeks to engage citizens in a discussion about the future of the energy industry.”

The initiative is supported by a new online platform with 24 case studies that “demonstrate corporate best practices for meeting the world’s growing energy needs while improving living standards for those with limited access to energy.”

Twenty global energy companies signed on to the initiative. Leaders of the companies agreed on five principles – supplying secure and affordable access to energy, having efficient energy systems, upholding responsible citizenship in communities, contributing to economic development and promoting energy literacy.…

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South Africa finds answer to Eskom failure

As China expands its presence in Africa, a new wave of renewable energy companies are bringing off-grid innovation to the continent while Western competitors stand around and watch.

JinkoSolar, a Chinese solar module manufacturer has declared that it is supplying South Africa’s first  utility scale, off-grid photovoltaic solar system. The 1 MW plant will supply electricity to a chrome mine in the Limpopo province, in the north east of the country.

Oil-replacement photovoltaic solutions are continuing to emerge as a fully-proven power source in mission-critical situations.

This installation will sharply reduce the daytime diesel usage at the mine in the northernmost South African province, an area in which utility company Eskom is active, but repeatedly letting its customers down, allegedly through a mixture of corruption and poor management in the opinion of some. Reports suggest that the State-owned utility will shortly seek yearly price increases of between 14.6% and 19% – well over the rate of inflation.

Installation in the Limpopo mine will be designed and constructed by Solea Renewables and will employ 4,170 JinkoSolar modules. The plant is likely to be completed in October of this year.

Mhlanzi, the Director of Solea Renewables, stated that, “Mines and other consumers face power supply constraints due to capacity challenges at Eskom. The delivery of our PV plant will not only benefit (the chrome mine), but in turn help reduce the ever increasing energy demand Eskom faces.”

JinkoSolar, indicated in announcing the supply deal, that it has “great expectations” for the country. According to, Kangping Chen, Chief Executive Officer of JinkoSolar, “The region’s booming population, strong economic growth and abundant sunlight represent an exciting opportunity for solar and for JinkoSolar.”

As well as ordering a clean-up of Eskom management criminality, South Africa has taken a number of steps in recent months to drive the growth of cleaner energy in the country. In August, the US Export-Import bank signed a declaration of intent (DOI) with the Industrial Development Corporation of South Africa which will see the Ex-Im bank provide financing up to US$2 billion worth of US technologies, products and services to South Africa’s energy sector, with a focus on clean-energy development. This is expected to lead to bribery by US energy companies, and  further corruption during the tendering process…

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Solar panels for sunless setting

A hunting lodge in Maine with two small solar panels, some old used car batteries,a quarter mile of wire and careful management. An old-timer explains how he does it in this video.

The old batteries are important – recycled from the owners car once he buys a new one. The Deep cycle batteries which we are told are the right product for this environment, in reality do not hold a charge over the winter when not in use.…

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Swiss Army charger

The makers of the ubiquitous Swiss Army knife have already branched out into watches, camping gear and even a motorised bike – now Wenger have extended their brand to launch a portable solar charger.

There are three models – the smallest sells for $125+delivery on Amazon, and the heavy duty pro version has three times the life and retails for $275. There are so many cheap and awful portable solar products on the market, most made in China.

So although we have not tested this one, the brand is strong and it is good to know that there is probably a quality product out there. Please let us know if you try it. It would be great if the battery is exchangeable, both so you could charge two in the field and also because the battery life is much shorter than the panel life.

The mid-range version features: weight: 17.5 oz. with battery, 4 photovoltaic solar panels, mounted on flexible water resistant fabric. folded: 11.6-Inch x 6.7-Inch x 1.2-Inch unfolded: 17.7-Inch x 11.6-Inch x .2-Inch
4.5 w power, 5v Micro USB output, 5000 mAh battery included, charging time around 7 hours
charges, smartphone, mp3, gps systems, includes USB cord & 5 adapters that connects many portable devices, LED light compartment for optional LED light # 44005, strap attaching points to secure charger to most anything.
water resistant, rear battery and adapter storage pocket, compact design, foldable, LED light compartment for optional LED light # 44005
approximately charging time of included battery: 7 hours, recharges smartphone in approximately 2 hours. Charging times are made with solar charger positioned perpendicularly to sunrays in full sunlight coverage.…

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Energy

Why India’s power grid collapsed – and what to do about it

Just a few days ago 10 per cent of the world’s population faced a series of power cuts – India’s Northern and Eastern grids came to halt and 600 million people were confronted with the delicate state of their nation’s electricity grid.
The reason for the power failure is complex, and you can read more detail below, but essentially it came down to one thing: the power system had recently been transformed from a system to move electricity around this massive country into a system to trade electricity.
“Power stations, which earlier had to be very sensitive to shifts in demand within their region over the course of the day, can now export their surpluses to where its needed,” the Economic Times proudly announced today. “But the pricing mechanisms and regulatory frameworks need to match up with the physical development. Bigger systems require better regulatory oversight – the costs of failure can be huge in a large system,” it says.
These days, India has something approaching one national grid, since a decision last decade to bolt together several regional grids. And the connections joining these sub-grids together are both too complex to be managed easily, and insufficient to handle partial failures elsewhere in the system.
The solution is to diversify the power supply from the current state-owned monopolies to allow private investment of every size and kind – particularly the establishment of micro-grids based on renewable energy, which could be partially connected to the main system and would add huge resilience were the same thing to happen again in the future.…

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Little Sun could change the lives of millions

Tate Director Nicholas Serota has got behind an off-grid lighting initiative by a leading Artist.

Olafur Eliasson’s new work is a solar-powered lamp that he and his engineer partner, Frederik Ottesen, designed and developed. It will be launched at Tate Modern later this month, and visitors will be able to view parts fo the exhibitions solely with its light.

Designed to look like an iconic sun image, with a light on the front and solar panels on the back, the Little Sun looks set to sell millions of units.

The fact the lamp was designed by an artist was important. “People want beautiful things in their lives; they want something they can use with pride . . . everyone wants something that’s not just about functionality but also spirituality.”…

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