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Pumped Storage Hydropower
Site screening, feasibility, hydraulic layouts, pump-turbine concepts, modernization, optimization and investment decisions for PSH assets.
⚡ PSH · BESS · Hybrid Hydro-PV/FPV · Grid Integration
Storage expertise for bankable energy projects.
REESSA Consulting supports investors, utilities and development partners in planning, sizing and de-risking energy storage assets — with a strong track record in pumped storage hydropower, grid-scale BESS and dispatchable hybrid renewable systems.
Core expertise
Technical judgement, economic context and project preparation for storage assets that need to work in real power systems.
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Battery Energy Storage Systems
Utility-scale BESS sizing, technology assessment, degradation assumptions, operating modes, grid integration and procurement support.
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Hybrid Hydro, PV & FPV
Dispatchable hybrid concepts combining hydropower, floating PV, solar PV and BESS, including SCADA/control and turbine ramping analysis.
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Markets, Grid & Bankability
Market simulations, ancillary services, price-spread logic, CAPEX/OPEX modelling, technical due diligence and tender-ready requirements.
Project highlights
A compact selection from a broader portfolio of 51 references. The full project page is linked from the navigation.
Utility-scale BESS Development and Grid Integration
Large-scale BESS project preparation with site assessment, MW/MWh sizing, technical concept development, grid-service definition and EPC procurement support.
First Grid-scale BESS
200 MW / 200 MWh battery storage feasibility, site selection, electrical interconnection, grid impact inputs, bidding design and Employer’s Requirements.
De-risking Pumped Storage Hydro Development
PSH candidate-site screening, multi-criteria prioritization tool, market/regulatory assessment and project development framework.
Pumped Storage for Private Mining Grid
7 MW PSH feasibility plus pilot option, including hydraulic design, reservoir concepts, machine concepts, CAPEX/OPEX and PSH-vs-BESS comparison.
Gaildorf Hybrid Storage Lighthouse
16 MW PSH concept coordinated with wind, floating PV and BESS; market-oriented dispatch, ancillary services and EMS operating modes.
Virtual Pumped Storage Plant
Integration of 29 pumped storage units into a coordinated operating and control system for ±2,800 MW fleet flexibility and grid stabilization.
The strength of the profile is the combined PSH, BESS, hydro-PV/FPV and grid-integration perspective across development-bank, utility and private-sector projects.
Open full project list →Minimal in presentation. Precise in analysis. Strong in reference projects.
Engineer-led advisory
REESSA Consulting is an independent German engineering consultancy for energy storage technologies. The work combines technical design, operational logic and economic assessment so complex storage concepts become decision-ready projects.
From concept to tenderFeasibility, sizing, layouts, Employer’s Requirements and procurement documents.
From asset to systemOptimization of storage operation, grid services, flexibility and renewable integration.
Selected clients & partners
Small, discreet logo strip for the main institutions, utilities and specialist partners represented in the project portfolio.
Discuss a storage project
For feasibility studies, project screening, BESS sizing, PSH concepts, hybrid hydro-PV/FPV operation or tender preparation.