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Showing posts with label solar power. Show all posts
Showing posts with label solar power. Show all posts
Monday, November 13, 2017

Can Tesla help rebuild Puerto Rico's power grid?

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Tesla (maker of electric cars) wants to help Puerto Rico rebuild their power grid. The hurricane destroyed most of the power grid, and in so...
Sunday, October 1, 2017

How to power things using batteries and alt power, part 2 of 2

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Part 2 of 2 Power draw from the battery If all 4 amps is being used on the Amazon inverter, how many amp hours are actually being draw...
Saturday, September 30, 2017

How to power things using batteries and alt power, part 1 of 2

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I've been looking into using solar power and batteries to power things. My first kit is used to charge a battery using a small panel, ab...
Thursday, September 7, 2017

Europe renewable energy consumption is up to 76% in some places

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Renewable energy consumption as percent of total energy consumption is 76% in some places. Iceland uses 76% of energy from renewables but th...
Tuesday, August 22, 2017

Printable solar panels

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There has been news about printable solar cells going back to 2008-2012, and it's worth looking into. There should have been consumer pr...
Thursday, August 3, 2017

S. Korean bike highway shades path with solar roof

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The runs between Daejon and Sejong, and is covered for 20 miles with a roof of solar panels. Those panels not only generate lots of electri...
Monday, July 31, 2017

First family solar car hits market for $119k euros.

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The Dutch startup Lightyear has just released it's first solar car Lightyear One for 119,000 euros ($139,945 usd at the time of this blo...
Tuesday, May 16, 2017

Beginner solar starter kit for $70!

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Here it is : One solar panel, charge controller with 4000mah lithium battery, 2 LED light bulbs, for $70usd. I have this one and it works gr...
Saturday, May 13, 2017

Voltage booster goes from 225mv to 5.0vdc!

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This [voltage booster](http://www.ebay.com/itm/LTC3105-Energy-Harvester-demo-module/332136264440?_trksid=p2047675.c100005.m1851&_trkparm...
Monday, June 13, 2016

Solar in rental units

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"85% savings with energy storage" said the headline. Another quote: “The addition of storage technologies has the potential to...
Friday, June 3, 2016

US cost of solar KW/hour pushing 5-5.8 cents.

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But this is mostly in the southwest US. What about us freezing up in Michigan? See Graph. Source CleanTechnica .
Tuesday, May 17, 2016

Solar power costs even lower today

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NV Energy, has agreed to purchase electricity from the 100 MW Playa Solar 2 power plant at a low price of $0.0387/kWh! My rate in Michigan ...
Wednesday, March 30, 2016

Simple DIY LED lights

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This post is about making simple LED light circuits. LEDs are Light Emitting Diodes, and as such, they use DC power (batteries) to create li...
Sunday, March 13, 2016

Which are the most efficient solar cells?

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Soitec and Fraunhofer Institute has produced PV cells with a 46% efficiency. These are called "concentrator quadruple-junction" c...
Saturday, March 12, 2016

CdTe PV cell now at 22% efficiency

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First Solar has created a photovoltaic cell (the common solar cells we all know) with an efficiency rate of 22% . As newer solar cells are p...
Wednesday, March 9, 2016

Small invertor packs a punch

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Invertors are used to convert DC electricity, created by solar panels or batteries, into AC electricity, used by many appliances. A Belgian ...
Thursday, February 25, 2016

World Trade Org ruled against India's solar program, and less pollution

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It seems like the WTO is ruling for more pollution when it ruled against Indian's solar program. List of WTO related docs here . Ind...