Company cases about 1.725MW / 3.85MWh PV + ESS Project in Bulgaria

1.725MW / 3.85MWh PV + ESS Project in Bulgaria

2026-03-25

Project Overview

Wenergy has successfully delivered and deployed a 1.725MW / 3.85MWh Battery Energy Storage System (BESS) in Bulgaria for a PV + ESS application. The project is designed to capture excess photovoltaic generation and discharge during peak demand periods, addressing the mismatch between solar output and grid demand while enabling stable, market-driven revenue streams.

Solution Highlights

The system integrates advanced lithium battery technology with Wenergy’s intelligent Energy Management System (EMS), enabling precise charge and discharge control based on real-time grid conditions and pricing signals. The standardized configuration ensures high system reliability and streamlined deployment.

By leveraging optimized dispatch strategies, the BESS stores surplus solar energy during low-demand periods and releases it during peak pricing windows. This enhances overall system efficiency while supporting grid stability and flexibility.

Key Value & Customer Impact

Maximized Renewable Utilization: Reduces PV curtailment and increases on-site solar consumption
Revenue Optimization: Enables peak–valley arbitrage and participation in electricity markets
Grid Support: Alleviates peak load pressure and improves network stability
Improved ROI: Intelligent EMS control enhances system performance and long-term asset value

This project demonstrates Wenergy’s expertise in delivering scalable, high-efficiency BESS solutions tailored to renewable-integrated applications. It serves as a strong reference for PV + ESS deployments across Europe, supporting the transition toward a more flexible and sustainable energy system.

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