01
Technical Due Diligence & Project Readiness
Independent review of design assumptions, implementation readiness, interfaces and key technical risks before development or execution decisions.
PV, BESS & Market Integration
Technical and commercial advisory for utility-scale PV, BESS and hybrid assets.
Green AdvanTech GmbH supports developers, investors, asset owners and technology providers with independent advice on technical due diligence, PV+BESS integration, grid interface, market readiness and operational improvement.
- 25+years international experience
- 350+MWp PV track record
- 180+MWh BESS exposure
- Technical due diligence
- PV+BESS project advisory
- Grid & market interface
- Owner-side execution support
Built for high-stakes decisions across development, procurement, commissioning, optimisation and project review.
Independent advisory where engineering judgement, hybrid operating logic and market-facing execution need to stay aligned.
Core Services
Sharper support across the project lifecycle.
Green AdvanTech sits where engineering judgement, commercial logic, grid realities and execution risk meet. The focus is not just technical feasibility, but whether a project is technically sound, commercially robust and manageable in practice.
02
PV + BESS Project Advisory
Support on co-located storage value, sizing logic, dispatch boundaries, degradation considerations and integration with renewable assets.
03
Energy Storage, Grid & Supplier Interface Support
Review of grid requirements, testing concepts, supplier interfaces, documentation readiness and coordination across developers, OEMs, consultants and operators.
Energy Trading & Market Integration
Advisory on market readiness, dispatch logic, data flows, balancing participation and the operating model needed to connect asset capability with commercial opportunity.
Owner’s Engineering & Project Management Support
Independent client-side coordination across EPC contractors, suppliers, grid operators and internal stakeholders when experienced support is needed without a full-time team.
SCADA, Controlling & Operational Tools
Practical dashboards, performance tracking and decision-support tools for assets with multiple operating modes, including hybrid and market-exposed portfolios.
Selected Experience
Selected utility-scale PV and hybrid work.
The examples below show how Green AdvanTech supports complex renewable assets across technical development, integration, commissioning, technical review and optimisation. The wider track record also includes owner-side support for operating PV portfolios, measurement campaigns and monitoring upgrades.
Case Study 01
Colocated 63 MWp PV, 115 MWh BESS in eastern Hungary.
Multi-phase hybrid reference covering a 63 MWp PV plant and more than 100 MWh of integrated battery storage, with technical support across development, commissioning, technical review and operational optimisation.
- Context: utility-scale PV platform with operational and expansion-phase battery storage
- Role: senior technical advisory across development, engineering, commissioning and optimisation
- Focus: multi-phase BESS integration, technical review support and hybrid operating readiness
- Proof: site visuals include wide PV context, winter BESS condition, rack-level detail and commissioning scenes
Case Study 02
Utility-scale co-located PV + BESS in western Romania.
Co-located reference covering 56.17 MWp PV, 36 MW / 68.8 MWh BESS, with technical support across integration, commissioning alignment, grid-connection readiness and documentation review.
Read the case studyAdditional Portfolio Work
Operating PV portfolio support in Hungary.
Owner-side technical support across a multi-plant PV portfolio, including performance validation, warranty testing, measurement campaigns, monitoring coordination and troubleshooting of operating assets.
Operational PV Portfolio
Inspection, recalibration and monitoring upgrades in Slovakia.
Technical O&M support for a roughly 9 MWp PV portfolio covering inspections, sensor recalibration, performance diagnostics, monitoring-platform upgrades and revamping strategy.
Utility-scale PV advisory
From plant layout review to delivery readiness.
Support across design review, execution interfaces, acceptance logic and project-risk framing for large-scale photovoltaic assets.
Hybrid asset integration
PV+BESS strategy tied to real operating logic.
Advisory on co-located storage, system boundaries, dispatch assumptions and technical questions that influence commercial value.
Operational portfolio support
Diagnostics and O&M detail grounded on site.
Field work across operating assets includes inspections, troubleshooting, recalibration and monitoring upgrades where technical detail directly affects asset performance.
Visual Library
From aerial scale to technical detail.
The curated set below keeps the site grounded in real field work: broad plant context, string checks, pyranometer campaigns and monitoring hardware from operating assets.
Founder Profile
Co-founder leadership with hands-on technical depth.
Dr. Julio C. Rimada Herrera is Co-founder and active Co-Managing Director of Green AdvanTech GmbH, leading the company’s day-to-day technical and advisory work. His background combines project delivery, technical due diligence, commissioning strategy, data-driven asset analysis and long-term photovoltaic research.
- 25+ yearsinternational experience in PV and energy storage
- 350+ MWpsolar PV project exposure across Europe
- 180+ MWhBESS project exposure including hybrid support
Why Green AdvanTech
Technical depth translated into actionable decisions.
Green AdvanTech combines engineering perspective, commercial context and market-interface awareness. The goal is simple: reduce risk, improve decision quality and turn complex project requirements into clear next steps.
Technical and commercial perspective combined
Advice shaped by whether a solution works in practice, not only on paper.
Independent and client-side focused
Support that clarifies options and risks without being tied to a supplier agenda.
Grid, market and asset-interface expertise
Particular focus on the places where project underperformance often begins.
Flexible advisory model
Project-based assignments, strategic mandates and fractional support structures.
Suggested Entry Point
Phase 0 diagnostic
A scoped first review for one project, supplier package or operating asset covering technical red flags, project-readiness gaps, interface issues, optimisation opportunities and recommended next actions.
- Technical risk and mitigation map
- Supplier, grid or execution interface observations
- Project-readiness and implementation gaps
- Priority actions for deeper advisory support
About
Execution-oriented, independent and practical.
Green AdvanTech GmbH is an Austria-based advisory company focused on renewable energy, energy storage and market integration. The work spans utility-scale PV, battery storage and hybrid projects across development, assessment, optimisation and execution support.
The advisory model is especially useful when clients need senior technical and commercial support without building a full internal team, or when a project crosses multiple interfaces: design, grid, supplier scope, dispatch logic and operating performance. The underlying experience base combines project delivery, technical due diligence, asset optimisation and operational data workflows.
Contact
Start with one project, one interface problem or one key decision.
Use the form below to open a pre-filled email draft, or contact Green AdvanTech directly to schedule an introductory conversation.