HoyPrime 1MW/2MWh Containerized Battery Energy Storage System

Name: HoyPrime 1MW/2MWh Containerized Battery Energy Storage System
Brand: Hoymiles

Grid-ScaleAC Block20 ft container

Updated Aug 28, 2026

Grid-ScaleAC Block20 ft containerUpdated Aug 28, 2026

Hoymiles HoyPrime 1MW/2MWh is an LFP battery energy storage system for utility-scale applications with 2.064 MWh nominal energy and about a 2-hour duration. It is supplied as an AC block, uses liquid cooling, and delivers 93% DC round-trip efficiency.

Use Cases

Hoymiles HoyPrime 1MW/2MWh Containerized Battery Energy Storage System has nominal energy in the utility-scale size class. It is certified to medium- or high-voltage grid connection rules (VDE-AR-N 4110, VDE-AR-N 4120), and it supports IEC 61850 and GOOSE used in utility control systems. These specifications indicate use in front of the meter.

Capabilities

The specifications indicate grid services, work that helps keep the electricity network running, and suggest capacity value, counting as firm supply toward a network's peak needs, from the shortest listed configuration of 2 h. In Hoymiles HoyPrime 1MW/2MWh Containerized Battery Energy Storage System, the AC block includes the inverter, which makes it a candidate for renewable colocation, storing output from a wind or solar plant on the same site. That configuration points to peak shaving, discharging into the hours of highest demand.

Nominal energy

2.06MWh

Rated AC power

1MW

Duration

2hour

C / P rate

0.5C

Round-trip efficiency (AC)

93 %DC

What does this system typically cost?

BESSBASE.com user price estimates for HoyPrime 1MW/2MWh Containerized Battery Energy Storage System by Hoymiles and similar storage systems. The ranges are LDP (Landed Duty Paid) prices per kWh that cover all expenses of delivering the goods to the buyer's premises, including production, shipping, sales margins, and import duties.

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Energy & Power

Nominal energy

2.06MWh

Rated AC power

1MW

Duration

2 hour

C / P rate

0.5 C

Round-trip efficiency (DC)

93 %

Architecture

Container count

Installation

Outdoor-capable

DC Side

Nominal DC voltage

1,228.8 V

DC voltage range

1,075.2 – 1,382.4 V

AC Side

AC voltage

0.69 kV

AC voltage parameters

Three Phase, Three Wire

Grid frequency

50 Hz / 60 Hz

Physical & Footprint

Dimensions (W × D × H)

2,896 × 6,058 × 2,438mm

Weight

28t

Battery Cells

Chemistry

LFP

Lifespan

Cycle life

8,000 cycles

Protection

Enclosure protection

IP54IP55

Corrosion protection

C4C5

Fire & safety

NOVEC1230, FM200, Water Fire Fighting, Temperature Detector, Smoke Detector, Combustible Gas Detector

Full Specification Sheet

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Plant Round-Trip Efficiency

Duration

duration 2 h

0.5C

—

State of health

new system

as-new

—

DC block

rte_dc 93 % @2 h

round trip @ 2 h

93 %

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

81.4 %

40 %100 %

1.229MWh 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

107.3m² total site area · 1 × 1

1,155 ft²0.0107 ha0.027 acres52.1 m² / MWh560 ft² / MWh

Unit W × D

2.9 × 6.06 m

9.5 × 19.88 ft

Site envelope

8.9 × 12.06 m

29.19 × 39.56 ft

Per unit

107.3 m²

Installed energy

2.06 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.

More Hoymiles Systems

Vendor	System	Energy	Power	Duration	Battery Cell
Hoymiles	HoyPrime 5MW/10MWhAC Block	10MWh	5MWAC	2h0.5C	LFP
Hoymiles	HoyPrime 1MW/2MWh Containerized Battery Energy Storage SystemAC Block · 20 ft container	2.06MWh	1MWAC	2h0.5C	LFP
Hoymiles	HoyCore Outdoor Battery SystemDC Block · cabinet	0.34MWh	—	—0.5C	LFP280 Ah · Prismatic
Hoymiles	HoyUltra 2 Series HESS-261-2hAC Block · cabinet	0.26MWh	0.13MWAC	2h0.5C	LFP314 Ah · Prismatic
Hoymiles	HoyUltra All-in-One Battery SystemAC Block · cabinet	0.22MWh	0.1MWAC	—0.5C	LFP280 Ah · Prismatic

About the Vendor

HoymilesTier-1Listed Company

Founded in 2012 and based in Hangzhou, Hoymiles started as a Chinese microinverter maker and later expanded into energy storage systems. Its BESS line includes the HiOne home system, which combines the inverter, battery, and EMS and scales to 64 kWh, and the HoyUltra 2 liquid-cooled system for larger uses; in 2026, Hoymiles signed agreements with more than 10 Middle Eastern partners.

Production scale0.2-1 GWh

Company sizeLarge (1000-10000)

Vertical integrationMedium

BankabilityNeutral

View the full Hoymiles profile →

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