BESS battery containers next to a solar park at dusk (illustrative image)

In development Illustrative image

Batteries at five eligible producers

Five storage projects of about 5 MWh each, connected through the existing transformer substation of solar parks with eligible producer status.

Storage projects: 5
Capacity: ≈ 5 MWh each
Connection: Through the existing transformer substation
Regulatory partners: ECOENERGETICA Association, ANRE

One transformer, two regimes

The current situation. Regulation does not clearly provide for a battery connected to the same transformer as an eligible producer. Together with the ECOENERGETICA Association and ANRE we are working to improve the regulation.

What we propose. One transformer, two regimes: the existing park remains an eligible producer with a fixed tariff, while the new installation — a battery and a dedicated solar field — sells on the free market through a separate meter.

What the system gains. New storage capacity, using the existing connections and transformers.

Connection through the existing transformer substation, with no consumption from the grid
A separate meter: the energy from the battery is sold on the free market
The existing park keeps its fixed eligible producer tariff
Hybrid PCS: a single inverter for the panels and the battery

The proposed connection scheme

Existing solar park · eligible producer, fixed tariffExisting meterExisting substationGrid

Solar field dedicated to chargingHybrid PCS + BESS ≈ 5 MWhSeparate meterExisting substation

Schematic diagram of the projects in development; implementation depends on the regulatory framework.

Services

Services involved in this project

All projects

Battery energy storage (BESS)

Battery storage systems for producers and industrial consumers, including through the existing transformer substation.

Technician connecting test equipment to a power transformer (illustrative image)

Electrical measurements and testing

Power quality measurements with a class A analyser and laboratory electrical tests, with compliant reports.

Rows of solar panels at the Brăviceni solar park, Orhei district

Renewable energy consulting

Solar, wind and biogas plants: land, equipment, grid connection approval, permits, design, construction.

This project is in progress; images marked “illustrative image” are generated and do not show the actual site.

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Officestr. Bună Vestire 15/1, Chișinău, Republic of Moldova

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