Renewable Energy Provided One-Third Of Germany’s Power In The First Half Of 2014

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"Renewable Energy Provided One-Third Of Germany’s Power In The First Half Of 2014"

Wind turbines stand behind houses of the village of Feldheim near Berlin, Germany.

Wind turbines stand behind houses of the village of Feldheim near Berlin, Germany.

CREDIT: AP Photo/Michael Sohn

Thanks to favorable weather and record production from solar and wind power, renewable energy accounted for approximately 31 percent of Germany’s electricity generation in the first half of 2014.

Non-hydro renewables made up 27 percent of the country’s power, up from 24 percent last year, according to new data released by the Fraunhofer Institute. And for the first time ever, renewable energy sources accounted for a larger portion of electricity production than brown coal.

Production of wind and solar in particular saw substantial gains over the same time last year. Solar grew by 28 percent in the first half of 2014 compared to 2013 and wind power grew by 19 percent over the same period last year. “Solar and wind alone made up a whopping 17 percent of power generation, up from around 12-13 percent in the past few years,” reported Renewables International.

 

Germany energy

CREDIT: B. Burger/Fraunhofer ISE

Helped along by low demand on a holiday, Germany nevertheless set another solar power record in June, generating 50 percent of its overall electricity demand from solar for part of the day. And in May, renewable energy sources combined to account for 75 percent of power demand for part of the day.

As a point of comparison, approximately 13 percent of the U.S. electricity supply was powered by renewables as of the end of 2013, roughly half of Germany’s rate.

Dr. Bruno Burger with the Fraunhofer Institute explained that the gains made by renewables thus far in 2014 can be attributed to the combination of good weather and growing production of clean energy. “In the first half year 2013 we had really bad weather and the solar and wind production was below the long term average,” Burger said via email. “In 2014 we started with more [sun] and wind and the production is higher than in average years.”

The Fraunhofer Institute’s analysis found that brown coal generation is down four percent and the production of hard coal-fired power plants decreased 11 percent from 2013’s record levels. However, in the first half of 2014, brown coal production was still at the high level of 2012 and about five percent above the average of the last 10 years. Gas power plants saw the largest decline, with generation down 25 percent compared to the same period last year.

For his calculation, Burger used the production of power plants for public electricity and said that once the data becomes available for self-production of big industrial companies later this year, the total percentage of electricity generated by renewables may dip slightly to around 28 percent.

Burger also pointed out the increase in electricity exports thus far in 2014. “Despite the fact that we had high production of renewables, we did not reduce the conventional production,” he said. “Therefore we achieved an export surplus of 18 Terawatt-hours. If this trend continues until the end of the year, Germany will achieve a third record in a row in electricity exports.”

Germany’s Energiewende, or energy transformation, is an ambitious plan that aims to achieve 80 percent renewable energy generation by 2050. While the country has been criticized for its continued reliance on coal-fired generation, Craig Morris at Renewables International argues that it’s the electricity exports keeping coal production high. Renewable electricity has priority on the German grid and therefore offsets conventional (fossil fuel) generation, meaning that much of conventional generation will go to neighboring countries as exports.

Morris points out that the net importers of German power don’t order it directly from one source, like coal or wind, but receive the electricity mix, which is typically one-quarter renewables but can vary depending on production. “Nonetheless,” he writes, “the effect of net exports on German power production is to raise the share of conventional electricity, which would otherwise be offset by renewables.”

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