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Water Tag All blog entries tagged as Water Wed, 05 Aug 2020 16:17:31 +0000 Joomla! - Open Source Content Management en-gb Tidal Power Bridge Aquaterra, an innovative company who are passionate about renewable energy, are in the process of designing a multi- million pound renewable energy project. They are planning on building a bridge between Yell and Unst which would either incorporate a tidal generator or have the tidal generator accessible from the new bridge.


For more information visit-

]]> (EmmaWells) Renewable Energy Blog Wed, 02 Apr 2014 13:37:28 +0000
Nsure bespoke liability insurance Nsure are pleased to announce that they have agreed a bespoke liability insurance policy wording with Zurich Energy for their renewable energy insurance book of business.


Zurich Energy will underwrite acceptable risks up to indemnity limits of £50m for inshore and offshore risks involved in this expanding sector.


They are able to write business for both construction and operating risks for wind energy, solar, bio-energy and geo thermal.

]]> (David Elliot-Rose) Renewable Energy Blog Thu, 24 Jan 2013 09:00:00 +0000
The longest distance travelled by autonomous robot goes to... In November of 2011, Liquid Robotics dropped four of its brand new Wave Glider robots in the water just off the coast of San Francisco with hopes of making history and learning a thing or two in the offing. Two of the robots would set a course for Japan and the other two for Australia, each destination roughly 9,000 nautical miles away. It was to be the longest journey ever taken by any autonomous vehicle, a slow but steady swim across the entire Pacific Ocean that would collect and relay high resolution oceanographic and atmospheric data all along the way, stopping only for a quick maintenance check-up in Hawaii--if they made it that far at all.

And so Liquid Robotics' engineers dumped their robots into the rolling water and turned them loose, uncertain as anyone else whether the robots could survive the weather, waves, and wildlife they would surely encounter on a trans-Pacific crossing. There are sharks out there, after all. Massive waves and gale-force winds. There's a whole lot of saltwater out there, itself a force for destruction and disruption of mechanical systems. And yet almost exactly a year after launching the Wave Glider known as "Papa Mau" navigated around the Great Barrier Reef and arrived off the coast of Queensland Australia in May 2012, half a world away from where it started and only somewhat worse for wear.

For those not up to speed on Wave Glider, a quick primer: Wave Glider is the first unmanned and autonomous maritime robot that draws its propulsive power solely from the ocean's waves. The two part system consists of a float that rides on the surface of the water and a tethered submarine unit that moves beneath the surface roughly 23 feet below. Wave Glider doesn't turn wave energy into power for motors or anything like that--the unique construction of the robot allows it to gain a little forward thrust with every wave that lifts the float unit. It doesn't move fast, but as long as the ocean continues to move so does the robot.

That makes Wave Glider ideal for a range of scientific missions, the kinds of data gathering expeditions that don't need to move fast and in fact don't want to. Solar panels spread across the float unit can power an array of instruments, those include a weather station measuring air temperature, barometric pressure, and wind speeds, as well as a wave sensor recording height, period, and direction, a submersible fluorometer capable of measuring chlorophyll-A, and a CTD (conductivity, temperature, depth) payload also able to measure dissolved oxygen in the water. The sensor package wasn't designed to discover anything in particular, but simply to create an unprecedented data set--refreshed every ten minutes and uploaded to the Iridium satellite network. That's more or less the entire idea behind Wave Glider: gather ocean data consistently and without interruption, until the end of time if possible.

Information adapted from article 12th May 2012

]]> (Luan Walsh) Renewable Energy Blog Wed, 23 Jan 2013 12:28:57 +0000
Facts about Renewable Energy Renewable energy is energy which comes from natural resources, which are renewable. There are five main forms of renewable energy: solar, wind, water, biofuel and geothermal (heat from the earth)

It is could be properly harnessed, enough sunlight falls on the earth in just one hour to meet world energy demands for a whole year!

Ever the innovator, Albert Einstein won the Nobel Prize in Physics in 1921 for his ground-breaking experiments with solar power and photovoltaics

The geothermal energy from the core of the Earth is close to the surface in some areas than others. Where hot underground steam or water can be tapped and brought to the surface it can be used to generate electricity.

Water is the most commonly used renewable energy resource all over the world, known as Hydro-Electric power.

Those clever old Romans not only gave us the modern drainage system and many of our roads, they were also among the first to use geothermal energy to heat houses

Silicon from just one ton of sand, used in photovoltaic cells, could produce as much electricity as burning 500,000 tons of coal.


Information adapted from The Independant website article 14th July 2007

]]> (Luan Walsh) Renewable Energy Blog Tue, 02 Oct 2012 08:44:55 +0000