The GoodWe PCS series are three-phase, bidirectional energy storage inverters (PCS) designed for commercial and industrial installations, where high flexibility in grid interaction and robust performance under challenging conditions are key. These devices support both on-grid and off-grid modes, making them suitable for microgrid systems, backup power solutions, and peak shaving applications as well as self-consumption setups.
A key feature is the modular design, facilitating integration with various storage systems, along with refined protection and diagnostics, including temperature monitoring for connections and comprehensive AC/DC circuit safeguards. The PCS supports operation with unbalanced loads, effectively helping maintain power quality in facilities with uneven phase consumption. Thanks to communication via RS485, CAN, and Ethernet protocols, plus integration with the SEMS monitoring ecosystem, remote monitoring and servicing are streamlined. The series offers high European efficiency, translating to lower conversion losses and better energy yield under real-world operating conditions. Warranty support is provided under the manufacturer's program.
Ranking
Specifications
Pros and cons
The GoodWe PCS 100-125 kW achieves a maximum efficiency of 98.6% (verified in the ENF Solar catalog / manufacturer's datasheet), which places it at a level comparable to the Sungrow SC 100kW (~98.3%), and above the average market efficiency of PCS C&I systems, which is approximately 97.5-98.0%. This directly translates to lower conversion losses during peak shaving cycles.
The architecture allows for the parallel connection of up to 24 PCS units without the need for a SN transformer up to 5 MW, which reduces the project's capital expenditure (CAPEX) at the Balance of Plant (BOP) stage. For C&I installations, this means a flexible expansion path without the need to replace key components.
The PCS maintains its full output power at ambient temperatures up to 45°C, which distinguishes it from many competitors that start derating at 40°C. Its IP66 protection and C4/C5 anti-corrosion rating allow for installation in demanding industrial environments (ports, chemical plants) without the need for an additional external enclosure.
GoodWe maintains its BloombergNEF Tier 1 Power Inverter Manufacturer status (Q2 2025), which is a key criterion for financing BESS projects using non-recourse debt. The achievement of over 100 GW of global installations confirms the bankability of the manufacturer, a requirement for project banks and insurers.
The series implements a Virtual Synchronous Generator (VSG) function, which enables stabilization of microgrids by emulating rotating inertia. This allows for the gradual replacement of diesel generators in isolated industrial systems. The grid-forming mode increases the system's resilience to voltage fluctuations in the distribution network.
The GoodWe PCS line for C&I/utility applications is a relatively new product (introduced at Intersolar 2024), which means it has a limited history of long-term field references compared to established platforms like Sungrow ST or SMA Sunny Central Storage, which have a decade of BESS deployment experience. For investors who require documented MTBF based on their own data, this may necessitate additional contractual warranties.
Alternatives
About the GoodWe PCS series
These answers cover the whole series. Where a figure differs, the specification above is this model's own.