Composition of the Czech power grid energy storage system

How will a storage system help the Czech energy sector?

The storage system will support the transformation of the Czech power sector and contribute to the stabilisation of the power grid by providing power balance services. “Europe's energy sector is changing dynamically, but a secure energy supply and network stability remain the cornerstones.

Will a house-sized battery help stabilize the Czech energy grid?

The House-sized Battery Will Help Stabilise the Czech Energy Grid *The battery storage capacity is 10 MW and it exceeds the current largest battery in the Czech Republic by more than 40%. *The system can hold 9.45 MWh of energy, three times the size of the ČEZ battery in Tušimice.

Is the Czech Republic ready for pumped-storage hydroelectric power plants?

Bulk energy storage is currently dominated by hydroelectric dams, both conventional as well as pumped. There are six localities considered for new pumped-storage hydroelectric power plants in the Czech Republic but public acceptance presents a challenge. Front-of-meter installations in the Czech Republic are mired in regulations.

How has the energy crisis impacted the Czech Republic?

With coal dominating the energy mix, the Czech Republic has traditionally enjoyed low electricity prices and a steady supply of domestic fuel. However, the recent energy crisis, together with pressure from stakeholders and regulatory bodies to decarbonise, has triggered an unprecedented shift in the country’s energy market.

Why is Czech energy-accumulation so expensive?

According the report, the main reason is the regulatory framework biased in favor of classical energy models. The Czech Republic is no exception. It is fair to say that none of available energy-accumulation technology is perfect yet, and cost-effectiveness can be reached under specific conditions only.

Why are Czech businesses investing in renewable projects without subsidies?

The subsidy increases to cover up to 75% of costs for community projects. But what we noticed at Wattstor is that Czech businesses are investing in renewable projects even in the absence of subsidies, because they have realised the strong business case for generating clean energy on site.