Best Practice: Industrial Decarbonisation with Thermal Energy Storage

The RES Project “Volt” in the Netherlands replaces gas with flexible electrified process heat.

Eneco logo, the largest energy supplier in the Netherlands and Belgium, and Volt project operator
Pepsico logo, collaborator with Eneco and Kraftblock for the project "RES Project Volt" that aims to decarbonize the potato chip frying process at a factory in the Netherlands using thermal energy storage.
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How to fry potato chips with clean energy
Reducing 98% of the factory’s emissions

Diagram of a Kraftblock thermal energy storage system. The system can replace fossil fuels with renewable power to provide energy resilient and flexible heat from renewable electricity
Graphic representation of a renewable energy system, with wind and solar power generation. The scene features multiple rows of blue solar panels on the ground and two white wind turbines in the background.
Green electricity from the grid is used at the site.
Low-cost energy
Electricity is bought when prices are low. Peak prices are avoided.
Scheme of a Kraftblock energy storage unit using resistive heater or power-to-heat element for flexible, cost-efficient electrification of industrial process heat
Power is convertet to heat at 800 °C and stored
Highly efficient storage
Heat is stored in a system with over 95% efficiency.
A 3D model of an industrial facility using natural gas. The model includes two large chimneys that represent fossil fuel use and is used as an example for waste heat generation
Heat is supplied flexibly – on demand or 24/7 – at around 300 °C.
Precise energy supply
Heat is transferred to thermal oil and delivered to frying oil.
Kraftblock high-temperature thermal energy storage system installed at a PepsiCo factory in the Netherlands, projected to cut emissions by 98% and save up to 17,000 tonnes of CO2 per year. 

Project data

Units

Two units in the first phase, five in total are planned.

Charging

Each unit can charge 4.5 MWel

Storage capacity

35 MWhth per unit

Discharging

Upto 4.5 MWth per unit (can be combined)

Emissions saved

8,500 t CO2e (2 units) resp. 17,000 t CO2e (5 units)

Emissions saved in %

51% respectively 98%

The Business Model of Thermal Storage
How to reduce energy costs

Chart detailing day-ahead hourly electricity prices and traded energy volumes within the spanish market that shows how the use of Kraftblock thermal storage allows a great cost reduction of electrification
Chart detailing day-ahead hourly electricity prices and traded energy volumes within the spanish market that shows the price volatility without thermal energy storage solution.

A thermal storage in combination with electrification allows for a great cost reduction compared to direct electrification. This is due to the business model of thermal energy storage systems. Unlike with direct electrification, there is a great flexibility in purchasing electricity for the use of process heat.

In the day-ahead or intra-day market, the electricity purchase can be aligned with the cheapest available hours. The Kraftblock storage transports the low prices to supply the industry later and avoids peak prices. Thus, operation costs are well below the average.

In the case of a PPA, flexibility also helps to improve pricing. As the supplier uses the same market mechanisms, a storage is a great tool for him to store negative prices. Thus, the PPA with flexibility from Kraftblock is cheaper than a normal PPA.

Finally, if an industry has its own power generation assets, they can use the surplus in the Kraftblock system instead of selling the electricity for less. This way, they maximize their use of their own energy.

In our whitepaper on flexibility we show, how drastic the cost reduction of electrification with storage are.

Electrification with Thermal Storage
Discover the Kraftblock heat battery system

Scheme of Kraftblock's Electrification with Thermal Energy Storage System to decarbonise industrial process heat, specifically from the  "Volt” Project with Eneco for PepsiCo to fry potato chips with renewable energy and storage
Trusted by leaders and innovators
Maschinenfabrik Augsburg-Nürnberg (MAN) logo, german manufacturing and engineering company.Iqony company logo. Global service provider in renewable energy and climate-neutral technologies.Mitsubishi Power logo. Unit from Mitsubishi Electric Power Products, inc that provides power generation and energy solutions.EIT Climate-KIC logo. European Union climate change innovation agency.

Thermal Storage for Every Industry
Use renewable heat in your process

Food

  • Industrial bakeries
  • Dairy industry
  • Sugar and sweets
  • Meat
  • Processed Food

Drinks

  • Breweries
  • Distilleries
  • Coffee roasting
  • Sterilizing processes
  • Pasteurizing

Pulp & Paper

  • Steam for calendar drying
  • Digester
  • Hot air for drying hood
  • Optimization of power plants

Chemical industry

  • Acrylic acid
  • Disinfection
  • Rectification
  • Biodiesel

Heavy industries

  • Preheating ovens
  • Smelting (zinc, aluminum)
  • Metal processing (annealing, tempering)

Other applications

  • Bitumen heating (asphalt)
  • Drying bricks/ceramics
  • Steam for textiles

This project is supported by the German Federal Ministry for Economic Affairs and Energy as part of the Renewable Energy Solutions Programme of the German Energy Solutions Initiative.

Logo of the “Mittelstand Global Energy Solutions Made in Germany” initiative, which aims to promote climate-friendly energy solutions from Germany, alongside the logo of the Federal Ministry for Economic Affairs and Energy, which supports the program, and dena's logo (German Energy Agency), which implements it.
German Energy Agency (dena)

The German Energy Agency (dena) is a centre of excellence for the applied energy transition and climate protection. dena studies the challenges of building a climate-neutral society and supports the German government in achieving its energy and climate policy objectives. Since its foundation in 2000, dena has worked to develop and implement solutions and bring together national and international partners from politics, industry, the scientific community and all parts of society. dena is a project enterprise and a public company owned by the German federal government. dena’s shareholder is the Federal Republic of Germany. www.dena.de/en/  

German Energy Solutions Initiative

With the aim of positioning German technologies and know-how worldwide, the German Energy Solutions Initiative of the Federal Ministry for Economic Affairs and Energy (BMWE) supports suppliers of climate-friendly energy solutions in opening up foreign markets. The focus lies on renewable energies, energy efficiency, smart grids and storage, as well as technologies such as power-to-gas and fuel cells. Aimed in particular at small and medium-sized enterprises, the German Energy Solutions Initiative supports participants through measures to prepare market entry as well as to prospect, develop and secure new markets. www.german-energy-solutions.de/GES/Navigation/EN/Home/home.html

Renewable Energy Solutions Programme (RES Programme)

With the RES programme, the German Energy Solutions Initiative of the Federal Ministry for Economic Affairs and Energy (BMWE) helps German companies in the renewable energy and energy efficiency sectors enter new markets. Within the framework of the programme, reference plants are installed and marketed with the support of the German Energy Agency (dena). Information and training activities help ensure a sustainable market entry and demonstrate the quality of climate-friendly technologies made in Germany. www.german-energy-solutions.de/GES/Redaktion/EN/Basepages/Services/dena-res.html