Germany frequency control project

German frequency control project combines batteries and power-to-heat

Swb Erzeugung AG & Co, a German utility based out of Bremen, has ordered a hybrid grid frequency regulation solution which will use both battery energy storage and power-to-heat facilities. Multinational AEG Power Solutions have been awarded the contract.

The Bremen utility supplies the local area with not only power and heat but also internet, communications and infrastructure services. It has ordered a 20 MW hybrid solution system, with the ability to deliver 15 MW of power for grid balancing via primary frequency control.

Engineering group AEG have been developing a hybrid solution to substantially reduce the cost to generate primary-frequency power. The hybrid system connects an electric heating arrangement – where energy is stored as heat – and electrochemical batteries to a power converter. The whole arrangement can then operate in both directions, feeding power to the grid when it is required or pulling power out for frequency balancing.

In Bremen as in other German regions the increasing proportion of power generation provided by renewable energy is fuelling the need for frequency balancing. In response, several battery storage facilities are being connected to the grid, being constructed or being planned across the country.

The hybrid solution proposed by AEG supposedly lowers costs by reducing the battery capacity required – according to the company’s claims, approximately 50% less. The power-to-heat system also stores energy more cheaply than battery storage. As the two systems share much of the same electrical components and hardware for grid connection, AEG claims installation and hardware costs will also be reduced, both for the system operator and system maintenance. In Germany, the grid maintenance fees are taken from the public purse.

AEG CTO Jörg Liedloff confirmed his belief that this hybrid approach was a reliable and cost-effective method for grid-stabilising needs, and that the rapidly maturing market will soon offer many more similar opportunities. As Swb Erzeugung AG & Co are already suppliers of both heat and power, they consider the solution ideal for their requirements.

Read the original article

If you want to know more about this and other topics directly from end users of energy storage technologies join us at one of these annual events: The Energy Storage World Forum (Grid Scale Applications), or The Residential Energy Storage Forum, or one of our Training Courses.

LATEST ARTICLES

The UK National Energy Grid – A Story of Islands, Trading, and Energy Storage

As first seen in Energy Global, grid software acts as a modern-day map, helping to chart and navigate today’s energy grids; software engineers are tasked with carefully delineating how each region’s energy markets operate. However, looking more closely at energy markets makes clear how unique each market is – each defined by different topography, resources,…

Read More

Battery Storage for Commercial & Industry

Powerful battery storage offers many advantages in terms of saving electricity costs and a reliable power supply. With this technology, companies retain control of their energy supply and costs. The battery storage system is charged when energy is cheaply available and it supplies the stored electricity when prices are at their highest. With applications such…

Read More

When Global Green Economy Met Energy Storage

Our energy system is dynamically evolving. The realization of the urgency towards Net Zero, Green economies has been more pressing than ever. The energy transformation serving a more sustainable future, safeguarding our ecosystem and protecting our planet is of paramount importance for many developed and developing nations across the globe. In this analysis, we delve…

Read More

★REVIEWS

“Probably the most interactive and well organized storage event on the calendar.”

★★★★★

Sales Director, S&C

“Great topics, competent speakers, good networking: keep it like that.”

★★★★★

TLC & SCADA Manager, FRI-EL

“High scientific content, well targeted, perfect organization.”

★★★★★

Expert Technical & Governance, Elia

Excellent networking event. The sponsorship was well worth it.”

★★★★★

Manager, ATL

View More

x