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© Renáta Sedmáková / Fotolia

Energy BrainBlog

Blog by Energy Brainpool GmbH & Co. KG

Category: Analysis (page 1 of 2)

Bet on falling costs or rising electricity prices? – The results of the third wind tender and what they mean

The third wind tender did not bring any major surprises with it – clearly oversubscribed, high dominance of the citizen energy companies and further declines of tendered values. Read more about the tender results and strategies to withstand the competitive pressure in this market environment.


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Autumn highs on the electricity markets- is this the turnaround?

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Since the beginning of August 2017 the prices on the electricity and commodity markets have been breaking one record after the other. Is it eventually time to pop the corks and finally ring in the end of the lean times? Or is it barely a temporary anomaly? To find an answer, we investigate the causes of the current price development.


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Potential future loss of renewable energy plants through the six hour rule

Figure 1 Annual lost revenues (market value and market premium) for wind and solar plants in percent of total annual revenues
© Energy Brainpool

If the electricity prices on the spot market are negative for at least six consecutive hours, the payment of remuneration for renewable energies will cease. This matter of fact is determined by §51 of the EEG 2017. Nevertheless already this year in the period of the 28th to the 29th of October, 21 consecutive hours with negative prices have been recorded. As a result the future assures that renewable energy systems will be denied by compensation payments. Energy Brainpool has published a white paper which examines this risk over the period 2016-2036.


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Already 103 times “negative electricity prices” at the spot market

Figure 1 Electricity prices at the day-ahead market in Germany and France. Source EPEX SPOT SE, own figure

On Sunday, October 29th 2017 a high power generation from wind power plants hit low demand for electricity in Germany. Negative prices occurred over a maximum period of 21 hours, so that the production was affected by § 51 EEG 2017. Therefore, the number of negative prices rose to 103 for this year already.


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Too little sun: The gloomy September brakes the production of solar power

The “gloomy” September 2017 lead to a decline in solar production of around 33 percent compared to the previous month. Baseload prices are rising, due to the decline in production from variable renewable energy sources (vRES).


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Are post-EEG wind turbines economically viable?

© Energy Brainpool

Starting with the year 2021, the first wind turbines will leave the EEG subsidy regime. From a technical perspective, a further operation of some plants is possible. However, is this feasible under economic conditions?


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Negative electricity prices again

On Monday, September 11th 2017 a high power generation from wind power plants hit low demand for electricity in Germany. Negative electricity prices occurred over a maximum period of five hours, so that the production was not affected by § 51 EEG 2017. Therefore, the number of negative prices rose to…


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Sales values and revenues of wind and PV – Ex-post analysis August 2017

Despite a slight decline in the production of variable renewable energies sources (vRES) of around 3 per cent, the baseload price in Germany fell by around 2.2 EUR/MWh in August 2017 compared to the previous month. The reason for this was…


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