ADS-TEC Energy

StorageRackSystem

Industrial & CommercialAC Block

Updated Aug 28, 2026

Industrial & CommercialAC BlockUpdated Aug 28, 2026

ADS-TEC Energy StorageRackSystem is an NMC battery energy storage system for commercial and industrial use with 42.9 kWh nominal energy, supplied as an AC block. It weighs 460 kg (1,014 lb).

Use Cases

Use behind the meter is consistent with the specifications of ADS-TEC Energy StorageRackSystem. It belongs to the commercial and industrial class and connects at 400 V. It is rated for indoor installation only, and its enclosure is rated IP20.

Capabilities

A calculated duration of about 1.72 h at full power, from 42.9 kWh and 25 kW, makes ADS-TEC Energy StorageRackSystem a candidate for peak shaving, cutting the power drawn from the grid at peak times. The AC block includes the inverter and points to renewable colocation, sitting next to a wind or solar plant and sharing its grid connection.

Nominal energy

0.04MWh

Rated AC power

0.03MW

What does this system typically cost?

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Energy & Power

Nominal energy
0.04MWh
Rated AC power
0.03MW

Architecture

Installation
Indoor only

DC Side

AC Side

AC voltage
400 V
AC voltage parameters
TN-S mit 3Ph + N + PE
Grid frequency
50 Hz / 60 Hz

Physical & Footprint

Dimensions (W × D × H)
608 × 825 × 1,730mm
Weight
0.46t

Battery Cells

Chemistry
NMC
Cell supplier
Samsung SDI

Lifespan

Protection

Enclosure protection
IP20

Full Specification Sheet

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Plant Round-Trip Efficiency

Duration
energy ÷ power 1.33 h
0.75C
—
State of health
new system
as-new
—
DC block
typical @1.3 h
round trip @ 1.3 h
94 %
PCS (DC/AC)
typical default
each way
97.02 %
Transformer LV/MV
typical default
each way
98.01 %
Transformer MV/HV
typical default
each way
98.01 %
Cables (all segments)
typical default
each way
98.8 %
Auxiliary power (plant's own consumption)
typical default
−4.3 pts
Plant Round-Trip Efficiency at the Point of Interconnection
82.2 %
40 %100 %
1.216MWh charged for every 1 MWh discharged
Both measured at the grid connection point. The plant's own power use is already included in the losses.

The calculator estimates the full "plant" round-trip efficiency (RTE) at the point of interconnection. Some values are pre-blocked depending on information on a particular ESS. The rows that are marked "each way" are one-way efficiencies; they are applied on charge and again on discharge. We then square them. To enter a bundled PCS efficiency value, use its rated-power value, not peak. If the PCS skid already includes the LV/MV transformer, set Transformer LV/MV to 100 % so those losses are not counted twice.

Site Space Required

single unit clearance 3 m / side
45.1m² total site area · 1 × 1
485 ft²0.0045 ha0.011 acres1,127.5 m² / MWh12,136 ft² / MWh
Unit W × D
0.61 × 0.83 m
1.99 × 2.71 ft
Site envelope
6.61 × 6.83 m
21.68 × 22.39 ft
Per unit
45.1 m²
Installed energy
0.04 MWh
1 × nameplate
Units1
Per row1
Clearance between unitsShared

Shared: one 3 m aisle serves both neighbours. Dedicated: each unit keeps its own 3 m, so gaps double to 6 m.

Clearance allowance
6m per axis · 3 m per side
19.69 ft per axis · 9.84 ft per side

Single unit — matches the stored area_sqm convention.

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About the Vendor

ADS-TEC EnergyTier-2Listed Company

Founded around 2010 within the ADS-TEC Group, ADS-TEC Energy makes lithium-ion battery systems, battery-buffered charging infrastructure, and utility-scale BESS. Its main operating company, ads-tec Energy GmbH, is based in Nürtingen, Germany, and its listed parent, ADS-TEC Energy PLC, was incorporated in Ireland in 2021, with more than 3,700 battery-buffered charge points in 40-plus countries, over 2.5 GWh installed, and more than 30 utility-scale projects delivered.

Production scale2-20 GWh
Company sizeSmall (1-300)
Vertical integrationMedium
BankabilityNeutral

How to Read the Product Page

This profile of StorageRackSystem by ADS-TEC Energy is assembled exclusively from public data to support early-stage screening and requires additional due diligence.

Always confirm these terms and technical specifications directly with the vendor and project stakeholders. Reflect all agreed-upon details in the legal agreements before making any investment decisions.

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