Winter Storms + Wind Farms = Falling Electricity Prices

[Originally published at CleanTechnica on 4.18.2008] The powerful winter storms that moved across Europe in March precipitated a considerable spike in electricity supply on the European grid, thanks to continental wind farms.

Wind speeds of 100 mph were recorded across Europe and topped 135 mph at the Czech Republic’s highest mountain, Snezka. The surplus electricity on the grid, produced mostly by German and Danish wind farms pushed prices down by 12% on the spot market.

Traders buying and selling round-the-clock power reported that the ‘day ahead’ price in central Europe’s power market dropped to €49.5 ($76) per megawatt hour compared with €56 at the end of the previous week, according to a piece at Planet Ark. Unfortunately, the article also suggests that sudden drops in electricity prices on the spot market have little effect on end-use rates.

This story points out one of the most persistent ‘problems’ of large-scale wind energy development- how do we address the peaks and valleys on the grid presented by wind power, and how do we reconcile those with power plants which cannot be easily adjusted to deal with those peaks?

Several options of dealing with the storage issue have emerged including compressed air, hydro pump-backs, and more efficient flywheel designs. These are all good steps, and more will undoubtedly emerge. That is why it is important that the ‘problem’ of storing wind energy be framed as an opportunity for technological innovation, and not as a justification for more coal-fired power plants.

Photo: © Kamil Sobócki | Dreamstime.com

British Parliament to Vote on Renewable Energy Feed-in Tariff Today

Ahead of a crucial House of Commons vote on Wednesday, which aims to add a renewable energy feed-in tariff (FIT) to the energy bill currently working its way through parliament, a broad-based coalition says that parliament has no time to waste and must act to adopt more aggressive clean energy policies. Farmers unions, environmental groups, and mechanical engineers, are banding together and displaying the widespread political support for changes in the UK's energy portfolio.

FITs have been introduced in nearly 5A0 countries around the world, and they have been particularly successful in Germany where the guaranteed rate for solar power fed to the grid has made it the world leader with 55% of the global installed solar capacity. And as the evidence from Germany shows, not only is the FIT a powerful tool for building renewable energy capacity, but it is arguably the most cost-effective way of doing so.

The Guardian (4/28/2007)