Report: US, look at Germany to see unintended consequences of renewables subsidies

Germany renewables subsidies
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Generous subsidies for renewables are unsustainable and have contributed to electricity prices for residential consumers more than doubling in Germany, placing a strain on consumers and the economy there.

In addition, renewable subsidies have generated disequilibrium in the power markets, as well as value destruction for most stakeholders: consumers, renewable companies, electric utilities, financial institutions, and investors, according to a new report, “Development and Integration of Renewable Energy: Lessons Learned from Germany” prepared by Felix ab Egg, Jeffrey Altman, Hans Poser, Andreas Granata, and Ross Board of Finadvice.

The study is a macroeconomic and microeconomic assessment of the impact of renewable subsidy regimes in Germany and elsewhere in Europe. As a result of the unintended consequences of prior regulation, German policymakers are redesigning the country’s energy policies in an effort to achieve long-term, sustainable deployment of renewable energy sources and prevent further market distortions.

Policymakers in the United States should take Germany’s experience into account when crafting renewable energy policies and should recognize the consequences of rapid, large-scale integration of renewables into the power system without proper preparation, the report concludes. 

The key consequences of Germany’s generous renewable subsidy program include:

  • An increase in retail prices for residential electricity customers in Germany, from 18 cents per kilowatt-hour (kWh) (€0.14/kWh) in 2000 to more than 38 cents per kWh (€0.29/kWh) in 2013 (of which €0.05/kWh is directly attributable to the growth of renewables). Comparatively, household electricity prices in the United States average 13 cents per kWh (€0.10/kWh).
  • Potential negative impact to certain segments of Germany’s economy, which policymakers did not foresee. Germany’s feed-in-tariff (FIT) program is estimated to have cost more than $412 billion (€317 billion) to date for subsidies, including those granted and guaranteed, but not yet paid out. Former German Minister of the Environment Peter Altmaier estimated that the program costs would reach $884 billion (€680 billion) by 2022. He added that this figure could increase further if the market price of electricity fell, or if the rules and subsidy levels were not changed. In 2014 alone, Germany will pay $31.1 billion (€24 billion) in subsidies.
  • Profound effects on wholesale electricity markets, which could result in a deterioration of the country’s security of supply. The merit order in Germany’s wholesale markets switched as renewables, with a zero variable cost of production, took precedence over thermal plants. As a result, wholesale prices in Germany have fallen dramatically from €90-95/megawatt-hour (MWh) in 2008 to €37/MWh in 2013. These steeply reduced wholesale electricity prices have led to thermal power plant closures and the requirement for some plants to also receive subsidies to be kept online while fewer new power plants are being built.
  • Large-scale investments in the grid, which are being required to expand transmission grids to connect with offshore and onshore wind projects in Germany, to the tune of $52 billion (€40 billion) during the next 10 years, all for a country that produces a third of the power of the United States and has a land mass the size of Montana.

“As our research shows, the United States has a unique opportunity to consider the lessons learned from Germany in order to achieve positive results from integrating renewable generation into the grid, at lower cost and risk for all stakeholders,” said Jeffrey Altman, senior advisor at Finadvice.

The report highlights how large-scale deployment of renewable capacity does not translate into a substantial displacement of thermal capacity. Because wind and solar are intermittent resources, there are many hours in the year during which most generation still needs to come from thermal power plants in Germany. The stopgap role and the corresponding lower capacity factor of thermal power increased costs per units of power produced and in the long run will increase the price of conventionally produced power. This also affects the technical efficiency of traditional generation plants, given that these plants are designed to operate as consistent, baseload generators, not as cycling units.

The subsidies for renewables in Germany and Europe more broadly were the results of proactive European and national policies aimed at directly increasing the share of renewable production in their energy mixes. 

Two primary subsidy programs were developed across Europe, including FITs and quota obligation systems. FITs are incentives to increase production of renewable energy that guarantee long-term fixed tariffs per unit of renewable power produced. These fixed tariffs normally are independent of market prices and are usually set by the government. The quota system is the European equivalent to the renewable portfolio standard used in states throughout the United States. This system sets the desired amount of renewable resources and lets the market determine its price.

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October 2015
Volume 19, Issue 9

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