Solar-Plus-Storage EV Charging Station in Shenmu, Shaanxi

YOTAI PARTNER REFERENCE | YINTU MICROGRID SOLUTIONS

The Shenmu reference combines solar generation and energy storage at an EV charging station. YOTAI presents the project as an example of using a PV-and-storage cabinet to support station economics, user experience and future growth of charging infrastructure.

The Challenge: Variable Charging Demand and Site Energy Costs

Vehicle arrivals can concentrate electricity demand into short periods, while solar output follows a different pattern. The station operator must consider available connection capacity, simultaneous charger use and the timing of electricity purchases.

Battery storage adds a controllable energy resource, but its role must be defined against the actual charging schedule. It can support a site operating plan without implying that a single cabinet can supply every charger at full output for an unlimited period.

Coordinating the Solar Canopy, Storage and Charging Loads

The source identifies one Solution103P PV & ESS cabinet. The project photograph shows storage equipment beneath a solar canopy. The source does not state the installed PV capacity, charger rating, battery capacity or full electrical diagram.

For a similar project, an energy-management strategy would compare charging demand with available solar generation and the site import limit. Storage can be scheduled for selected peak periods or later energy use, while battery reserve and the required grid interface are established in the approved design.

Results Reported by YOTAI

The case summary provides qualitative benefits only. No percentage saving, return-on-investment figure, charging-throughput increase or guaranteed expansion capacity is stated in the source.

Sizing Storage Around the Charging Business

Start with charger power, expected arrivals and dwell times rather than only the station's annual energy use. These inputs help distinguish a short power peak from a sustained energy requirement.

Review the transformer rating, PV profile, import/export limits and planned charger expansion together. A scalable project requires compatible controls, protection and switchgear; simply adding more batteries does not automatically increase the permitted grid connection or charger power.

Related C&I Storage Solution

261CE 125 kW / 261 kWh liquid-cooled C&I storage cabinet

The linked 261CE cabinet is a current option for assessing charging-site demand management. Its 125 kW rated AC power and 261.248 kWh nominal energy are product specifications, not the original Shenmu project ratings. Solar integration for this CE configuration uses an external PV inverter on the AC bus.

How YINTU Supports a Comparable Project

YINTU is an energy storage solution provider working with capable manufacturing partners, including YOTAI. We support application assessment, equipment selection, technical coordination and supply planning for customer-specific projects.

This article presents a YOTAI supplier reference and does not claim that YINTU designed or installed the featured site. For a new proposal, send us charger ratings, expected charging sessions, connection capacity, PV generation, electricity tariffs and expansion plans. The agreed proposal defines the equipment configuration and service responsibilities.

Project Questions

How much money did the Shenmu station save?

The supplied case summary does not publish a quantified saving. A new financial assessment should use actual tariffs, demand charges where applicable, and charging utilization.

Does this case prove that one 261CE cabinet can power a whole charging hub?

No. The reference used a Solution103P cabinet. A proposed 261CE installation must be sized against the selected chargers, connection constraints and required operating duration.

Review the related product specifications and discuss your site requirements →

Source: YOTAI, Microgrid Products and Scenarios - English, supplied July 2025 presentation extract, printed page 38. Project configurations and reported outcomes come from this supplier summary. The application analysis and related-product recommendations are provided by YINTU; site-specific performance requires a separate assessment.