Scotland

Scotland Generated Enough Renewable Energy to Power Itself

- Adam Clare 3 Comments

This past weekend Scotland generated enough electricity from wind turbines to meet all its power demands. A day of strong winds and low demand combined to make this the first time Scotland has achieved this renewable milestone. For a compression, in 2012 Germany got 50% of it’s electricity from renewable sources, and today Germany gets almost all of its power from renewable sources on a regular basis. In a couple years Scotland could be 100% powered by renewables. The cost of solar and wind installations continues to fall so it’s likely more regions of the world will be able to follow Scotland’s lead.

“It should also be remembered that wind power is not the only renewable power source Scotland has at its disposal.

“If we continue to take steps to reduce our energy demand, invest in storage, and increase our use of renewables we can hopefully look forward to many days that are fully powered by nature.”

The figures showed that wind turbines in Scotland provided 39,545 megawatts per hour (MWh) of electricity to the National Grid for 24 hours on Sunday. Scotland’s total electricity consumption for that day was 37,202MWh. It is unclear whether demand at any single point in the day exceeded the amount supplied by the turbines.

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Scotland Starts Europe’s Largest Tidal Wave Energy Installation

- Adam Clare

Tidal wave energy installations are nothing new, but installing it on a scale that can power 42,000 homes is. The other day, the Scottish government gave the go ahead for starting a wave-powered energy installation.

“This is a major step forward for Scotland’s marine renewable energy industry. When fully operational, the 86 megawatt array could generate enough electricity to power the equivalent of 42,000 homes – around 40% of homes in the Highlands. This … is just the first phase for a site that could eventually yield up to 398 megawatts.”

Speaking at the Scottish renewables marine conference, Ewing also announced that developers Aquamarine Power Limited and Pelamis Wave Power are to share a slice of a £13m wave “first array” support programme, part of the Scottish government’s marine renewables commercialisation fund.

Ewing said the tide is turning for the wave sector.

Read more at The Guardian.

New Windfarm for Shetland Islands to Power 175,000 Homes

- Adam Clare

The Shetland Islands will be getting what is expected to be the most productive wind farm on the planet. Wind blows across the islands almost all the time thus producing a space friendly to wind turbine efficiency.

The joint venture between energy giant SSE and Viking Energy Ltd, owned by the trust, will have 370MW capacity and is expected to generate enough energy for 175,000 homes – sixteen times the number of homes on Shetland.

One small turbine on a hill north of Lerwick, called Betsy, already holds a world record for its efficiency, reaching 59% of its potential output, thanks to the consistently powerful winds which sweep Shetland.

The developers said that meant the Viking scheme had the potential to be the most productive in the world. Councillor Bill Manson, chairman of Viking Energy Partnership, said: “This is good news for Shetland, good news for Scotland and good news for the fight against climate change.”

Read the rest at the Guardian.

Whisky Biofuel from Scotland

- Adam Clare

A lot of people enjoy Scottish whisky and now their cars can also enjoy the same beverage. Scottish scientists have figured out how to use the byproducts of whisky production as a source for biofuel.

Copious quantities of both waste products are produced by the £4bn whisky industry each year, and the scientists say there is real potential for the biofuel, to be available at local garage forecourts alongside traditional fuels. It can be used in conventional cars without adapting their engines. The team also said it could be used to fuel planes and as the basis for chemicals such as acetone, an important solvent.

The new method developed by the team produces butanol, which gives 30% more power output than the traditional biofuel ethanol. It is based on a 100-year-old process that was originally developed to produce butanol and acetone by fermenting sugar. The team has adapted this to use whiskey by-products as a starting point and has filed for a patent to cover the new method. It plans to create a spin-out company to commercialise the invention.

Read more at The Guardian.

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