Connecting Solar and Storage Systems to the Southern China Power Grid: A Guide for Businesses in Guangdong

As Guangdong Province accelerates its transition to sustainable energy, businesses across the region are increasingly adopting photovoltaic (PV) and energy storage systems to reduce costs, enhance energy resilience, and meet environmental goals. However, connecting these systems to the Southern China Power Grid (SCPG) requires careful planning, compliance with regulations, and coordination with grid operators.

At Sunrya, we specialize in delivering tailored energy solutions that streamline this process for businesses. Here’s a step-by-step overview of how to integrate your PV or storage system with the grid efficiently.

Step 1: Understand Local Grid Requirements

The Southern China Power Grid (SCPG) operates under strict technical and safety standards to ensure grid stability. Key requirements include:

• Grid Compliance: Systems must adhere to GB/T standards for voltage, frequency, and harmonics.

• Interconnection Agreements: A formal agreement with the local grid operator (e.g., China Southern Power Grid) is mandatory.

• Metering and Billing: Bi-directional meters must be installed to track energy fed into the grid and consumed.

At Sunrya, we stay updated on evolving regulations in Guangdong, ensuring your system meets all technical and administrative criteria.

Step 2: Submit a Grid Connection Application

To initiate the grid connection process, a formal application must be submitted to the local grid operator. Required documents typically include:

• Detailed project plans (system capacity, location, and design).

• Safety and compliance certifications for equipment.

• Proof of land use rights or rooftop ownership (for PV installations).

Our team at Sunrya assists clients in preparing and submitting applications, minimizing delays caused by incomplete paperwork.

Step 3: Technical Review and Feasibility Assessment

The grid operator will conduct a feasibility study to evaluate:

• Grid Capacity: Ensuring the local infrastructure can handle the proposed system’s output.

• Impact Analysis: Assessing potential effects on grid stability and neighboring users.

• Approval Timeline: This phase may take 4–8 weeks, depending on project complexity.

Sunrya’s engineers proactively address technical concerns during the design phase, streamlining approvals.

Step 4: System Installation and Inspection

Once approved, Sunrya oversees the installation of your PV or storage system, ensuring:

• Equipment Compatibility: Inverters, transformers, and batteries comply with SCPG standards.

• Safety Protocols: Fire suppression systems, disconnect switches, and grounding are installed.

• Third-Party Inspection: Certified agencies conduct mandatory inspections to validate compliance before grid connection.

Step 5: Grid Synchronization and Commissioning

After passing inspections, the grid operator will synchronize your system with SCPG. This involves:

• Testing: Verifying seamless integration under varying load conditions.

• Meter Calibration: Ensuring accurate measurement of energy exports/imports.

• Final Approval: Issuance of a grid connection permit.

At Sunrya, we manage this critical phase, coordinating with utility teams to expedite commissioning.

Step 6: Ongoing Compliance and Maintenance

Post-connection, businesses must:

• Submit periodic performance reports to the grid operator.

• Maintain equipment to avoid penalties for non-compliance.

• Monitor energy generation/storage to optimize return on investment (ROI).

Sunrya offers 24/7 monitoring and maintenance services, ensuring your system operates efficiently and remains compliant.

Why Partner with Sunrya?

• Local Expertise: Deep knowledge of Guangdong’s grid policies and renewable energy incentives.

• End-to-End Support: From permits to commissioning, we handle every step.

• Proven Track Record: Successful installations across industrial, commercial, and agricultural sectors in Southern China.

Leverage Guangdong’s Renewable Energy Momentum

With Guangdong’s ambitious carbon neutrality goals and supportive policies, now is the ideal time to invest in PV and storage systems. With Sunrya, your business can navigate the grid connection process seamlessly, reduce energy costs, and contribute to a greener future.

Ready to Power Your Business Sustainably?

Contact Sunrya today to explore customized energy solutions for your Guangdong operations. Let us help you harness the sun’s potential and unlock long-term savings with minimal hassle.