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Case studies

Selected work

Techno-economic, regulatory and market advisory across solar, storage and hybridisation projects.

Spain

PRTR grant strategy for a 75 MW hybridisation portfolio

Techno-economic assessment and PRTR subsidy strategy for three 25 MW PV plants being hybridised with storage; One Hub Energy led the funding applications and the techno-economic studies behind the investment decision.
Huelva, Spain

Bankable hybridisation feasibility for a 19.6 MW PV plant in Huelva

Regulatory review, hybridisation development planning and techno-economic assessment of adding storage to an existing 19.6 MW solar asset, giving the client a bankable case to advance development.
ES · IT · FR · NL · SI

EV charging infrastructure opportunity management across five European markets

Technical and commercial evaluation of more than 30 CPO proposals for light-duty and heavy-duty charging, with coordination of private competitive processes and negotiation with international operators.
Bulgaria

Independent technical due diligence for a 65 MW hybridisation project in Bulgaria

Independent TDD of two competing BESS manufacturer proposals, with procurement advisory to support EPC selection for a 63 MWh storage project.
Spain

BESS origination strategy for a 300 MW pipeline in Spain

Origination strategy for a 300 MW / 600 MWh standalone BESS pipeline, giving the client a clear technical and commercial roadmap for development.
Valladolid, Spain

Hybridisation feasibility for a 10.5 MWp PV asset in Valladolid

Techno-economic feasibility of integrating storage into a 10.5 MWp PV asset, enabling an informed development decision.
Kent, UK

Design optimisation and technical validation for a 70 MWp project in Kent, UK

Technical advisory to optimise layout, single-line diagram, component selection and production estimates, validating the technical documentation and yield ahead of investment.
Spain

Storage strategy for 25 MW and 100 MW BESS reference plants

Optimal energy storage strategy defined for 25 MW and 100 MW BESS reference plants, fully compliant with Spanish regulations.
Spain

Hybridisation feasibility for a 113 MWp PV portfolio

Techno-economic and regulatory feasibility assessment for a 113 MWp PV hybridisation, supporting the client's BESS strategy.
Côte d'Ivoire

Pre-feasibility for a 6 MWp + 10 MWh solar-plus-storage irrigation system

Pre-feasibility study for a 6 MWp PV + 10 MWh BESS self-consumption system powering agricultural irrigation in Côte d'Ivoire.
Sweden

Engineering optimisation for a 107 MWp solar project in Sweden

Design optimisation advisory across design criteria, components and energy yield for one of Sweden's most emblematic solar projects.
United Kingdom

BESS integration for high-power EV charging stations

Design and application process to couple battery storage to high-power charging stations, managing all interaction with DNOs and BESS suppliers, including regulatory compliance.
Barcelona, Spain

Industrial self-consumption: 572.8 kWp avoiding 289 t CO₂ per year

Design and development of a self-consumption solution (solar carports, rooftop PV and BESS) from feasibility through to commissioning, with quality, cost control and on-time delivery.
Tarragona, Spain

On-site PPA generation solutions for an industrial site

Development of on-site power generation solutions (carport, ground-mounted and rooftop PV with BESS) for industrial self-consumption under on-site PPAs, with hourly energy modelling for PV + BESS sizing.
Spain

Rooftop PV revamping under specific remuneration: 360 MWh/year

Revamping of a 300 kW rooftop PV installation under a specific remuneration scheme, including subsidies management, permitting to ready-to-build, engineering, commissioning and construction supervision.
La Palma, Canary Islands

Energy community feasibility on public rooftops at the Port of La Palma

Technical and economic feasibility for an energy community using public port rooftops for PV, including hourly modelling, basic engineering, investment structuring and member sharing-coefficient estimation.
Spain

Independent technical due diligence across a 300+ MWp PV acquisition pipeline

Independent TDD across multiple operating and pre-acquisition PV plants in Spain, yield assessment from SCADA and satellite data, EPC performance-test review and seller-report verification with negotiation support.
Andalusia, Spain

Red-flag technical due diligence for a 50 MW PV acquisition in Andalusia

Red-flag due diligence on a 50 MW PV acquisition, technical review, energy yield, EPC cost estimate, grid connection, permitting, environmental assessment and SPV ownership verification.
Spain

Techno-economic and regulatory feasibility for a 20 MW / 80 MWh hybridisation

Energy-storage strategy for an experienced global IPP, techno-economic and regulatory feasibility of a 50 MW BESS with 5 MW PV hybridisation, plus assessment of a greenfield standalone BESS opportunity.
Castilla-La Mancha, Spain

Technical due diligence for a 100 MW ready-to-build PV pipeline

Full technical due diligence for the acquisition of a 100 MW (2 × 50 MWp) ready-to-build PV pipeline, design and equipment review, energy yield, EPC cost, grid connection, permitting status and environmental verification.
Spain

Second-life battery strategy for hybrid and electric vehicle prototypes

Strategic consultancy to manage and revalue a growing volume of prototype EV/PHEV batteries, a reuse, resale and recycling strategy aligned with corporate ESG goals, with second-life market assessment and operational structuring.
Spain

Rooftop solar communities: strategy, development and owner's engineering for 11 MWp

Strategy, business model and feasibility for 11 MWp of collective self-consumption solar communities on third-party rooftops, developed through to access and connection permits and supervised as owner's engineer through construction and legalisation.
Valencia Region, Spain

Technical due diligence for a 50 MW PV acquisition

Full technical due diligence for a 50 MW PV acquisition, documentation review, desktop site assessment, design analysis, energy-yield modelling, land and grid-connection review, permitting and conclusions.
Spain

Storage and hybridisation strategy: screening 300+ sites for standalone BESS

Evaluation and prioritisation of 300+ sites for standalone BESS projects, with a technical office producing all documentation for guarantees and TSO grid-access applications, plus business-case modelling using proprietary software.
Andalusia, Spain

Techno-economic and regulatory assessment for a 50 MW BESS in Andalusia

Techno-economic and regulatory assessment of a 50 MW / 90 MWh storage project hybridised with PV, structured to support the client's investment decision.
Spain

BESS business model and market-entry framework for Spain

Definition of a BESS business model for Spain — the commercial and technical framework for a 90 MW / 270 MWh market entry.
Andalusia, Spain

EPC contracting advisory and construction supervision for a 49.9 MW PV plant

End-to-end management of the EPC tender for a PV plant and its substation, followed by quality control and construction supervision through to commissioning and provisional acceptance.
Spain

Bankable hybridisation study for a ~200 MW PV portfolio

Hybridisation study of a PV portfolio with BESS: revenue scenario simulations with One Hub Energy curves, a digital twin to compare configurations, financial modelling with IRR, NPV and sensitivities, and a bankability report with probabilistic scenarios for the investment committee.
United Kingdom

Making curtailed PV viable: BESS techno-economic evaluation for two UK projects

Techno-economic evaluation of adding battery storage to two PV projects — 42 MWp at Glebe Farm (Bicker Fen GSP) and 99.8 MWp at Sturton Road with a 60 MW / 120 MWh BESS (West Burton GSP) — to compensate extreme grid curtailment.
Spain

Transaction due diligence for 90 MW of BESS: technical restrictions and ancillary services revenue

Technical restrictions analysis and ancillary services revenue forecasting (aFRR, mFRR, RR) for the due diligence of two BESS projects of 30 MW and 60 MW, plus market representative assessment and advisory.
Portugal

Hybridisation feasibility study for a 200 MW PV project in Portugal

Technical services to run the hybridisation feasibility study of a 200 MW PV project, covering PV repowering, wind turbine deployment and the addition of energy storage.
Spain

Self-consumption PV with storage and full backup for a hotel on an unreliable grid

Self-consumption study, BESS sizing and a three-phase 18.24 kWp + 14.4 kWh installation with full diesel backup, including detailed engineering, legalisation and the grant application.
Portugal

BESS procurement and O&M framework for a 65 MW / 260 MWh project in Portugal

Review of EMS and O&M strategies to set a proper procurement and operational framework for a large BESS, with technical and commercial assessment of shortlisted manufacturers and support in LTSA negotiations.
Spain

Sponsor's technical advisor on the project finance structuring of a 390 MW / 1.5 GWh hybrid portfolio

Technical support through the project finance structuring process, benchmarking the outputs of the different consultants and stress-testing market scenarios to defend the case in front of lenders and offtakers.
Albacete, Spain

Verification of the seller's technical due diligence for a 39.75 MW operating PV asset

Acquisition consultancy on a single operating PV asset in Albacete: technical and commercial review, historical generation analysis and independent verification of the technical due diligence reports provided by the seller.
Spain

Preliminary technical and schedule review of a 49.9 MWp PV plant under development

Preliminary technical review of a ground-mounted PV plant under development in Spain, covering the technical design and the project schedule to support the investor's assessment of the opportunity.
Spain

Market agent benchmarking for the representation of a 90 MW PV portfolio

Comparative advisory on the conditions and the actual operation of different market agents, based on historical data, to optimise the market representation contracts of a PV portfolio.
Spain

Mid-term revenue forecasting for balancing and ancillary services markets

Analysis of the operating strategies and dynamics of the ancillary services markets, with mid-term price and revenue forecasts per market (€/MW) and multiple future scenarios for renewable assets.
United Kingdom

Module quality strategy and repaneling studies for UK PV assets

Review of the client's PV module quality assurance specifications and definition of quality metrics for framework agreement negotiations, plus a repaneling study for two UK PV plants covering module proposal, compatibility, cost and yield.
Spain

Project origination and transaction advisory on the 50 MW Gabias project

Project origination services for an international IPP followed by transaction advisory on the Gabias project, covering technical due diligence, transaction structuring and M&A support up to signing stage.
Portugal

Independent technical advisory on the transaction of a 220 MW hybrid project in Portugal

Technical advisory for the transaction of the 220 MW Solara4 hybrid project between its owner and MET, with an independent technical review and support through the negotiation.
Sicily, Italy

Origination and technical due diligence for an 80 MW PV acquisition in Sicily

Origination and technical advisory for MET's acquisition approach to the VATT project in Sicily: independent technical review of the PV assets, due diligence and support through offer and negotiation.
Spain

Technical due diligence and transaction advisory on two Spanish PV assets in construction phase

Technical due diligence and transaction advisory for the acquisition of the La Solana (65 MW) and Berberana (50 MW) PV assets, both at construction stage, taken.
Italy

Technical due diligence for the origination of a 115.3 MW PV project in Italy

Technical due diligence for MET's prospective acquisition of the MEL Power project in Italy, with an independent technical review of the PV assets at origination stage.
Nottinghamshire, United Kingdom

Hybridising a curtailed 99.8 MWp PV project at Sturton Road with a 60 MW / 120 MWh BESS

Techno-economic evaluation of the Sturton Road project in Nottinghamshire to make it viable by adding battery storage that compensates the extreme curtailment at the West Burton GSP, with modelling of hybrid scenarios and a full financial model.
Spain

Grid connection studies, basic engineering and production analysis for a 50 MWp PV plant

Technical studies for the Solara4 PV plant in Spain — grid connection studies, basic engineering and production analysis — extended by a follow-up hybridisation mandate on the same asset.
Spain

Hybridisation development and BESS modelling for a 200 MW PV project in Spain

Technical services for the hybridisation of a 200 MW PV project with energy storage, extended with the BESS hybridisation modelling of the client's PV portfolio.
Andalusia, Spain

Techno-economic and regulatory assessment of the hybridisation of a 115 MWp PV project in Andalusia

Techno-economic modelling and regulatory assessment of the hybridisation of a 115 MWp PV project, closed out with a technology report, a regulatory report with the development planning, and the valuation with the optimal sizing.
Spain

Hybridisation feasibility studies for four PV projects

Technical feasibility of the hybridisation of four PV projects with storage, with basic engineering and technical documentation project by project, detailed cost assessments and a development roadmap.
Spain

FEDER grant applications for a 236 MW / 508 MWh storage portfolio

Preparation of the FEDER subsidy applications for the client's portfolio, with the basic engineering documentation required by each project file and four projects taken into the auction.
Spain

Hybridisation study and valuation of two PV projects: Mainland and Alba

PV + BESS hybridisation study of the Mainland and Alba PV projects, with BESS sizing and swap simulation and project valuation under several hybrid configurations in One Hub Analytics.
Kenya

Pre-feasibility study of a 25 MWp PV + BESS self-consumption scheme for railway substations in Kenya

Technical and economic pre-feasibility of a rooftop and ground-mounted PV + BESS self-consumption scheme serving the electrical substations of a railway infrastructure in Kenya, with hourly demand curve estimation, energy modelling and simulation for sizing, risk analysis and funding structuring.
Spain

Co-development services for a 20 MW PV project

Technical and development support from the early stages of the co-development of the El Provencio PV project in Cuenca.
Andalusia, Spain

FEDER grant application for the Puerto Real 3 storage project

Preparation of the FEDER grant application for the Puerto Real 3 project: technical proposal, basic engineering documentation and optimisation of the file against the scoring criteria of the call.
Spain

FEDER grant applications for a 100 MW / 400 MWh storage pipeline

Preparation of the FEDER subsidy applications for the client's PV + BESS pipeline, each file backed by its own basic engineering documentation, building on an earlier hybridisation study and grant application support.
Carmona, Seville, Spain

IDAE grant application for the BESS hybridisation of the GREENCAR 3 PV plant

Descriptive report and application to the IDAE call under Order TED/535/2025 for the BESS hybridisation of the GREENCAR 3 PV plant in Carmona (Seville), with shared evacuation at the 400 kV Carmona substation and a standalone grid-forming battery.
Spain

Owner's engineering and construction supervision for 11 MWp of rooftop solar communities

Site supervision during the construction of the rooftop PV installations with quality and safety control, and owner's engineering with budget and schedule control through permitting, development, construction and legalisation.

Buy-side technical due diligence on the 147.32 MWp AUVEN PV portfolio, Spain

Independent technical, construction and contractual review of three Spanish PV plants totalling 147.32 MWp, assessed asset by asset and consolidated into a single TDD report for the acquiring party.

Repowering scenarios and module compatibility for a 123 MW, 8-site UK PV portfolio

Two linked studies for the same UK portfolio: an energy yield comparison of repowering scenarios with high-level CAPEX and construction impact per scenario, and a deviation assessment of a designated PV module against like-for-like replacement.

EPC and grid connection procurement advisory, Santino 56 MW agrivoltaic plant, Italy

Procurement support for a 56 MW agrivoltaic plant in Italy, comparing the EPC and grid interconnection proposals received on technical, commercial and economic grounds.

Development and technical advisory for the Picassent 107.91 MW / 215.824 MWh BESS, Spain

Project development plus technical consultancy — feasibility, storage sizing and regulatory review — for a 107.91 MW / 215.824 MWh battery storage project in Picassent (Comunitat Valenciana), currently in active development.

Technical due diligence of the 49.99 MWp Puerto Real III PV plant

Independent technical due diligence of the Puerto Real III PV plant (49.99 MWp) in Spain for MET Group, delivered in Q1-2022. One Hub Energy later supported the buy-side assessment of the same asset.

Repowering and repaneling feasibility across a 9-site, 162.67 MW operating PV portfolio

Owner's Engineer scope for Viners' operating UK PV portfolio: module compatibility assessment against the as-built design, a repaneling report for 9 sites, and site-by-site repowering economics built on the existing Phase-2 due diligence reports.

Buy-side technical advisory and origination support for a 500 MW BESS portfolio

Buy-side technical advisory for the acquisition of a 500 MW BESS portfolio in Spain, plus strategic consultancy for its origination: market assessment, NBO preparation support and identification of M&A opportunities.

Access and connection permit updates for three PV-plus-storage hybridisations

Guarantees management through to the correct constitution letter and processing of the access and connection permit updates for three PV plants being hybridised with battery storage, 20.2-32.76 MW each.

EPC advisory and Owner's Engineer services for the Fjällskär 2 wind farm

EPC advisory and Owner's Engineer services delivered to Svea Solar for the Fjällskär 2 wind farm in Sweden.

Adding BESS to an operating PV plant: hybridisation study and grid connection update at Puerto Real III

Two consecutive mandates for MET Group on its operating Puerto Real III solar plant in Cádiz: first the technical assessment of adding a 44 MW / 90 MWh battery, then the update of the grid access and connection file defining the modifications required on the existing installation.

Reading the state of 68 inverters across an operating French PV portfolio, and what O&M practice had done to them

Desktop technical review of 68 central inverters of a single family installed across seven operating sites in a 120 MW French PV portfolio, linking component condition to the maintenance practices applied and to the O&M service liabilities arising from them.

Testing whether storage pays across a PV portfolio, then taking it to a single site

Pre-feasibility modelling of storage hybridisation for Exiom's solar portfolio, built around sensitivities on demand access permits, market participation policies and PV-BESS sizing ratios, and extended into a dedicated BESS advisory mandate for the San Vicent del Raspeig site.

Coordinating DiÓptiBa: turning market prices and forecasting into battery dispatch decisions

Coordination of DiÓptiBa, a collaborative R&D project with Eurecat funded under Spain's 2021 Public-Private Collaboration call, developing an intelligent platform for battery participation in electricity markets, together with the definition of its value proposition and cost/service models.

Ten storage projects into the FEDER auction, and the next round of schemes mapped

Preparation and submission of Spanish FEDER state-aid applications for ten of Altano's storage projects totalling 277 MW / 690 MWh, with basic engineering and cost estimates for each, followed by an eligibility screening of newly opened subsidy schemes.

Technical asset management of Puerto Real III: 50 MWp PV with a co-located 44 MW / 90 MWh battery

One Hub Energy acts as technical asset manager for Puerto Real III on behalf of MET Group. The mandate covers the 50 MWp / 44 MWn PV plant and its 44 MW / 90 MWh battery system under a single technical scope.

Sourcing a 100-150 GWh/year baseload corporate PPA and a 4.7 MW on-site plant for Covestro's Tarragona site

One Hub Energy ran the full PPA sourcing process for Covestro's Tarragona production site, from market analysis and RFQ design to supplier shortlisting and term-sheet negotiation, and tendered an on-site PV + BESS solution under the same engagement.

Development directorship for the 148 MW / 296.75 MWh La Farga BESS

One Hub Energy runs the development directorship of the La Farga standalone battery project in Spain, managing land control and the grid access and connection process while the project advances through development.

Custom EMS with a behind-the-meter price optimiser for a 2.09 MWp collective self-consumption scheme across 18 buildings

One Hub Energy built a custom energy management system for the El Rosario energy community that dispatches charge and discharge setpoints to the project's batteries from two different manufacturers according to electricity market prices.

Technical advisory and investment teaser for a Grupo Satocan PV asset transaction

One Hub Energy prepared the preliminary technical proposal and the investment teaser supporting a PV asset transaction for Grupo Satocan in Spain, covering the subsequent construction of the assets.