phelas.comCrawled Nov 5, 2026
Auditable BESS models built for FID - underwriting depth for investment teams, traceable documentation for lenders and advisers.
The page describes a methodology for sizing BESS projects and maintaining consistency across a growing portfolio.
How project developers, portfolio managers and financiers use Catalyst for feasibility studies, portfolio analyses and bankable documentation.
How Catalyst works, how BESS markets work, and how project developers, financiers and portfolio managers use Catalyst.
Technical and economic fundamentals for battery storage projects — revenue stacking, FCR, aFRR, co-location and investment analysis.
Revenue streams and market mechanics for battery storage in Germany: FCR, aFRR, intraday and day-ahead — with the Catalyst Revenue Index.
phelas announces a strategic leadership transition to accelerate Catalyst's next phase of global growth. Leon Schwarzott becomes Director of the Catalyst Business Unit, with Carolina Pinto Correia stepping up to lead Product.
In a joint study, phelas and Fluence modelled a 25 MW wind project in Germany and show that a right-sized battery energy storage system lifts project returns above the cost of capital in every modelled price scenario.
The company presents exclusive analyses on BESS co-location economics at stand C4.170B.
Press releases, event announcements, and news from phelas.
The company offers job opportunities in Munich and remote roles to support energy transition tools.
Catalyst provides BESS modeling software for Europe’s energy storage market, supporting projects from single sites to full portfolios.
Compare BESS modelling software options — see how Catalyst outperforms Excel spreadsheets, generic finance models, and in-house tools for battery storage.
The company develops Catalyst, a tool for analyzing battery energy storage systems (BESS) in European energy markets.
The page offers personalized Catalyst demos for BESS modeling projects, with a response within one business day.
The page outlines how phelas GmbH handles personal data collection, processing, and protection under GDPR for the Catalyst website.
Legal notice and company information for phelas GmbH, provider of the Catalyst BESS modelling platform.
Terms of service for using the Catalyst website and gated content by phelas GmbH.
Phelas and FfE release a revenue forecast for green, co-located battery energy storage systems in Germany. Their analysis shows co-located batteries can generate up to **130 EUR/MWh more revenue** than standalone photovoltaic (PV) plants. The forecast integrates Phelas’s *Catalyst BESS* simulations with FfE’s market price projections, offering developers and investors an early assessment of project viability.
Jul 2026presseportal.deNews article
phelas secures €4.1 million in seed funding to expand renewable energy storage solutions across Europe. The round is led by E44 Ventures, with contributions from Axon Partners Group, Deutsche Telekom’s hub:raum Fund, BNV Partners, and existing angel investors. The Munich-based startup focuses on advancing energy storage infrastructure for sustainable energy distribution.
Mar 2024EU-StartupsNews article
Phelas secures **€600,000 in pre-seed funding** to advance its business model. The Munich-based startup now focuses on acquiring its first customers. The round supports early-stage development and market entry efforts.
Aug 2021startbase.comNews article
Tech startup **phelas** secures a six-figure financing round to advance its liquid-air energy storage technology. The company focuses on scalable solutions for renewable energy integration, targeting grid stabilization and long-duration storage. Developments aim to support the broader energy transition by providing flexible, large-scale storage options.
Aug 2021BayStartUPNews article
