Price forecast

Electricity and ancillary services price forecast reports for building a reliable model for energy storage projects

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Main components:
Overview of the energy storage market
  • Evolution of the key players on the energy storage market
  • Revenue streams available for energy storage and market volumes
  • Future opportunities and risks
  • Storage penetration
Price forecast:

We establish three future electricity mix scenarios and we provide:

  • Ancillary price forecasts (FCR, aFRR and mFRR)
  • Wholesale market price forecasts
  • Capacity market prices (if relevant)
Revenue stack and business model obtained with the COSMOS tool:

We provide:

  • Business cases for reference projects (1h, 2h, 3h and 4h BESS), or
  • Customised revenue stack and business model
Geographical coverage:
Countries covered as of March 2025:
  • France
  • Spain
  • Germany
  • Belgium
  • Finland
  • Baltic States (Lithuania, Latvia and Estonia)
  • Portugal
  • Poland
  • Sweden
  • Denmark
Rolling out:
  • Italy
  • Romania
  • Great Britain
Unique qualitative offer
  • Robust accurate results
  • Consideration of revenue cannibalisation in shallow markets
  • Capturing volatility
  • Real-time trading decisions allow realistic trading strategy based on thresholds, logically determining market positions
  • Flexible approach allows for variable combination changes and impact visualisation, accounting for unforeseen circumstances and simulating different inputs
Platform access

With access to the platform, you can view all purchased reports, as well as dynamic graphs displaying assumptions and results.

Expert support

Additionally, our team of experts provides support, guiding you through the results and answering your queries to ensure a thorough understanding of the energy storage market.

COSMOS

The tool for simulating energy storage revenue stacks

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This tool allows you :
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To determine optimal sizing for different configurations of the storage system

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To calculate cashflows, NPV and IRR

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To easily generate sensitivity analyses

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To optimise dispatch and find an optimum scenario

Countries

The COSMOS tool is tailored to the market rules of different countries:

  • France
  • Portugal
  • Finland
  • Estonia
  • Romania
  • Ireland
  • The Netherlands
  • Czech Republic
  • Germany
  • United Kingdom
  • Denmark
  • Poland
  • Greece
  • Luxembourg
  • Slovenia
  • Japan
  • Belgium
  • Italy
  • Latvia
  • Bulgaria
  • Austria
  • Norway
  • Switzerland
  • Spain
  • Sweden
  • Lithuania
  • Hungary
  • …and more to come.
Key benefits of the COSMOS tool implemented as SaaS

The COSMOS tool is now available on the Clean Horizon Platform, offering faster, more efficient simulations with consistent precision.

Clean Horizon’s expertise in storage

We apply our market understanding and technical expertise in BESS to provide an optimal dispatch of stand-alone and hybrid projects.

Accounting for trading strategy

The COSMOS tool is country-specific and rests on country-specific parameters such as:

Market design, granularity for each service, existing and upcoming market rules, country-specific trading strategy.

Transparency and granularity

Simulations are run with the granularity of each market.

Logical real-time decisions are applied to simulate a reasonably informed trader.

Average annual results are delivered by default, but time-series for specific periods are accessible on demand.

Support by experts

Onboarding: comprehensive, step-by-step explanations based on a detailed user manual and a case study done jointly with Clean Horizon’s experts.

Expert guidance: we assist you with your first simulation, helping you input data, conduct sensitivity analyses, and interpret results.

Confidentiality

Personal portfolio with an option to manage users’ access and to erase past simulations.

All simulations automatically erased after 30 days to prevent any unwanted data leaks.

Complex tool that does not require complex training

Powerful tool that is easy to run.

No need to install any software: code optimised for parallel-computing and run on a remote server.

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Premium Index

The Premium Index is a customised version of the Storage Index which allows project owners to benchmark the financial performance of a real asset.

The Premium Index is calculated using COSMOS, Clean Horizon’s sophisticated energy storage simulation tool.

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The Premium Index includes:
Storage Index
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Itemised revenue stack by source (Day-Ahead, Intraday, FCR, aFRR, mFRR, etc.)

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Weekly revenue associated with your project

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Tailored to your project specificities (such as stand-alone or hybrid, connection voltage, grid limitations, battery discharge duration and battery state of health)

CHESS database

Access our dedicated platform that references thousands of utility-scale energy storage projects (> 500 kW) across the planet to benefit from a rich insight into the storage ecosystem.

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3,000 + referenced projects

Global coverage

Continuously updated

Expert-curated data

Clean Horizon Energy Storage Source
What is CHESS ?

Curated and continuously updated by our experts, the CHESS database covers more than 3,000 utility-scale projects across the globe.

Referenced data is:

  • Fully downloadable in an Excel format
  • Directly accessible via the Clean Horizon Platform with a wide palette of pre-configured graphics (coming soon)
Search and analyse projects by:
  • Geography
  • Status (announced, under construction, operational)
  • Size (MW / MWh)
  • Storage technology
  • Energy storage manufacturer
  • System integrator
  • Project developer
CHESS covers a multitude of potential analyses:
  • Overview of leading energy storage markets per status and geography
  • Short- and medium-term projected storage volumes
  • Identification of leading project developers and solution vendors
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