Tallinn energy storage system

Zero Terrain (Energiasalv) Paldiski, the country’s first pumped hydro energy storage system project, was initiated in 2009 between several energy companies to help the Estonian energy system cope with the unpredictable fluctuations of renewable energy, and enhance supply reliability and energy security, ensuring a more stable and reliable electricity supply.

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6 FAQs about [Tallinn energy storage system]

How much money has Estonia provided for energy storage projects?

A state agency in Estonia has provided €5.2 million (US$5.7 million) in grants for 10 energy storage projects, including a 4MW/8MWh battery storage project from utility Eesti Energia. The state-funded Environmental Investment Centre announced the grant funding for the ten projects being developed by six companies today (28 June).

How many energy companies are there in Estonia?

The six companies are Utilitas Tallinn, Utilitas Estonia, Sunly Solar, Prategli Invest, Five Wind Energy, and Eesti Energia, and three out of the ten are heat storage projects, with the remainder for storing electricity.

How much does storage cost in Helsinki vs Tallinn?

The annual savings in operational costs due to storages are actually very low, in the order of some hundreds of euros (maximally 914 € in Helsinki, 618 € in Tallinn). By studying the breakdown of total costs by units, we observe that the greatest difference between the Helsinki and Tallinn buildings is in power sales back to the grid (PP-out).

What are the main extensions of the energy policy in Estonia?

The main extensions are the introduction of 15 min time interval for power-related components, construction of 15 min power demand and price data, introduction of multiple storages for energy forms, more detailed model for storages, and limits on selling power to the grid to gain feed-in premium for renewable power in Estonia.

What are Estonia's networking opportunities?

Our networking opportunities have been described as second to none by industry professionals. Estonia has provided €5.2 million in grants for energy storage projects, including an 8MWh battery storage unit from Eesti Energia.

How does power load differ between Helsinki and Tallinn?

The power loads of the two buildings differ significantly. The office building in Helsinki has a persistent baseload due to a data center, while the residential building in Tallinn demonstrates a more ‘normal’ power load with a typical daily, weekly and yearly variation.