Rakhshan Energy Pasargad Sirjan Solar PV Park (10MW) – Kerman, Iran (2022)

In 2022, we participated in the Rakhshan Energy Pasargad 10MW solar PV project in Sirjan, Kerman Province, Iran.
This represents a typical mid-scale Iranian ground-mounted installation. The site faces extreme desert conditions — summer surface temperatures exceeding 60°C with intense UV radiation. The client, a local developer, secured financing through SATBA (Iran's Renewable Energy Organization) feed-in tariff framework.
Projects of this nature share distinct characteristics: reliance on local capital, extreme cost sensitivity, and import sanctions creating equipment procurement risks. The client's core anxiety centered not on technical specifications but on cash flow security and delivery certainty — fearing project delays due to cable shortages, profit erosion from currency fluctuation, and uncertainty of import customs clearance.
What the Client Didn't Say Explicitly but Signaled in Negotiations
The client never requested technical whitepapers. Instead, they repeatedly confirmed three points: Can you deliver in batches to reduce upfront payment pressure? Can you lock exchange Rates to prevent settlement losses? Can you guarantee uninterrupted delivery?
This reflects the operational reality of Iran's current business environment: restricted international payment channels, volatile local currency, fragile supply chains.
Our Response: Addressing Risk in Three Segments
For batch Delivery Requirements: We maintain ready stock in our Dongguan warehouse — 180,000 meters of H1Z2Z2-K 1×4mm² and 60,000 meters of H1Z2Z2-K 1×6mm², supporting three-batch shipment schedules aligned with construction progress.

For Exchange Rate Exposure: We offer TT Payment Rate-Lock Mechanism, fixing USD exchange rate at contract signing to eliminate settlement risk.
For Delivery Certainty: We provide complete TUV Certification (Certificate No. TUV B 126326 0001 Rev.00) and UL4703 Certification (No. E552397) technical documentation package for pre-customs clearance, ensuring Iranian customs compliance for imported PV equipment.
Scenario One: String Wiring Phase
DC photovoltaic cable employs H1Z2Z2-K 1×4mm² — conductor diameter 1.13mm, sheath thickness 1.0mm, dual-layer co-extruded construction with low-smoke halogen-free flame-retardant polyolefin outer layer and cross-linked polyethylene inner layer.
This specification serves module-to-combiner box connections. Twenty-two modules per string, approximately 35 meters per string, 25,000 modules total requiring 215,000 meters of this cable type.
Scenario Two: Combiner to Inverter Phase
Same H1Z2Z2-K 1×6mm² series rated 55A current carrying capacity, voltage drop controlled within 1.5%, ensuring stable inverter input voltage. This segment requires 75,000 meters.
Scenario Three: Inverter Output to Step-Up Transformer
AC low-voltage side employs XLPE copper-core cable 3×150mm² — phase conductor diameter 15.8mm, insulation thickness 0.8mm, galvanized steel tape armoring, polyethylene outer sheath. Ten-megawatt project configuration with four 2.5MW inverters, each approximately 80 meters from step-up transformer, totaling 4,800 meters of this specification, with four independent combiner circuits preventing single-point failure.
Scenario Four: Grid Connection Transmission
Medium-voltage side employs XLPE 1×120mm² — aluminum alloy conductor, corrugated aluminum sheath, HDPE outer sheath. Main trunk length 3,200 meters, substation segment 1,800 meters, total 5,000 meters.
Why This Configuration Survives Iranian Desert Conditions
H1Z2Z2-K Series critical differentiation: Tin-plated copper conductor rather than bare copper — 0.05mm tin layer thickness prevents copper oxidation and contact resistance increase in Iran's high-temperature high-humidity environment. Sheath material incorporates 2.5% carbon black specialized UV stabilizer, passing ASTM G154 standard 5,000-hour UV aging test. Standard PVC cables experience sheath embrittlement within three years in desert conditions — this is the decisive difference.
XLPE Medium-Voltage Cable differentiation: We provide wooden drum packaging + vacuum sealing + nitrogen filling moisture protection solution for Iran's port high-humidity maritime environment, preventing insulation moisture absorption. Additionally equipped with UL 1072 Certification (No. E549302) meeting Tavanir (Iran Grid Company) grid-connection technical review requirements.
Delivery Execution: Step-by-Step from Contract to Grid Connection
Project signed March 2022. First batch 60,000 meters shipped April 15 from Dongguan Port via Abbas Port rail transfer to Sirjan.
We adopted "Batch Shipment + Destination Port Warehousing" model: First batch covered foundation construction, subsequent two batches adjusted to civil construction progress, reducing client's actual capital occupation by 40%.
Exchange rate structure: 30% advance payment + 70% sight letter of credit, advance portion locking contract signing date rate, L/C portion adopting floating rate with 3% upper/lower limit protection.
Regarding sanctions risk: We provide complete certificate of origin + manufacturer's certificate + marine insurance policy documentation package ensuring customs clearance proceeds without documentation-related detention.
Results Verification: Behind 18 Months Zero-Failure Operation
Project grid-connected November 2022. Cable system operated 18 months without failure. Client subsequently applied identical configuration to 15MW project in Hormozgan Province, forming standardized procurement template.
Client's procurement director at 2023 Dubai MEE exhibition original statement: "You solved what we fear most — not price, but whether delivery arrives on time, whether goods arrive after payment. Your batch delivery allowed us to launch the project during capital constraints, and rate-lock mechanism allowed us to calculate returns."
What Exactly Is Being Sold Here
For Iranian 10MW-class PV projects, cable procurement represents 8-12% of total investment but accounts for 35% of total project risk. We offer not low prices but "calculable certainty" — certain batch rhythm, certain exchange rate cost, certain delivery timeline.
Next Step: If You Are Advancing Similar Projects
If you are advancing PV projects in Iran or similar emerging markets, facing capital pressure, exchange rate volatility, or supply chain uncertainty challenges, we can provide cable configuration solutions and delivery assurance based on proven case experience.
Dongguan GERITEL Electrical Co., Ltd.
Tel/WhatsApp/WeChat: +86 135 1078 4550 / +86 136 6257 9592
Email: manager01@greaterwire.com