Annual production capacity
0.2-1
GWh/yr · vendor-reported
Bankability influence
Neutral
Company Size
Large
1000-10000 headcount
Vertical integration
Medium
Company Overview
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.
Headquarters
Canada
Legal entity
Hoymiles Power Electronics Inc.
IPP / offtaker customers
Utilitas Wind
Integration footprint
Malaysia
Production scale
0.2-1 GWh/yr
Adjacent product lines
DIY solutions, residential solutions, C&I solutions, utility solutions, microinverter, micro storage, accessories
Major presence in Europe and Southeast Asia; Moderate presence in North America; Minor presence in South Asia; no recorded presence in Latin America, Central Asia & CIS, Middle East & North Africa, Sub-Saharan Africa, East Asia, and Oceania.
Financial Health
Derived from the five sub-metrics below — 2 healthy · 3 suboptimal.
Reference Project
Project
Tārgale Wind Park ; Tārgale, Latvia
Cell & System Architecture
Cell chemistry
Cell format
Named chemistries
Block architecture
Application segments
Battery Management System
Hoymiles battery systems use a BMS that monitors cell status in real time, gives early warnings, calibrates SOC, balances cells, and provides multi-layer protection. The HiBattery 4020 X adds 48 built-in protection functions, pack-level DC/DC balancing, remote charge and discharge monitoring, and a specified cycle life of at least 8,000 cycles at 70% SOH.
Corporate & Listing
Recent Developments
Hoymiles launched the HiBattery 4020 Series plug-in home battery system in Europe, adding to its third-generation hybrid and AC-coupled residential BESS line for solar-powered homes.
Certifications
Management Systems (ISO)
Product & Safety Standards
ESG & Sustainability
Hoymiles has an EcoVadis Gold rating and ranks in the top 4% of assessed companies worldwide. Its 2025 Sustainability Report covers emissions, green power use, and a solar panel upcycling program, and it lists AA and A ESG ratings from Sino-Securities and Wind.
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HoymilesIndustrial & Commercial ESS Solutions
| Product | Energy | Power | Duration | C / P rate | Chemistry | Block |
|---|---|---|---|---|---|---|
| HoyCore Outdoor Battery System | 0.34 MWh | — | — | 0.5 | LFP · 280 Ah | DC Block |
| HoyUltra 2 Series HESS-261-2h | 0.26 MWh | 0.13 MW AC | 2 h | 0.5 | LFP · 314 Ah | AC Block |
| HoyUltra All-in-One Battery System | 0.22 MWh | 0.1 MW AC | — | 0.5 | LFP · 280 Ah | AC Block |
HoymilesGrid-Scale BESS
| Product | Energy | Power | Duration | C / P rate | Chemistry | Block |
|---|---|---|---|---|---|---|
| HoyPrime 5MW/10MWh | 10.03 MWh | 5 MW AC | 2 h | 0.5 | LFP | AC Block |
| HoyPrime 1MW/2MWh Containerized Battery Energy Storage System | 2.06 MWh | 1 MW AC | 2 h | 0.5 | LFP | AC Block |
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