# Renewable Energy Transformers (PV, Wind & BESS)

> Multi-winding, harmonic-tolerant step-up transformers for solar (PV), wind and battery storage (BESS) plants.

> Step-up transformers tolerant to high-frequency harmonics (K-factor), DC components and fluctuating generation, with dual LV and ester oil.

> Parent hierarchy: [Power & Energy Equipment](https://voltformer.com/catalog.md) / Transformers

**Canonical:** https://voltformer.com/category/renewable-energy-transformers - markdown: https://voltformer.com/category/renewable-energy-transformers.md

## Subcategories

- [Solar PV Step-Up Transformers](https://voltformer.com/category/renewable-energy-transformers/solar-pv-step-up-transformers.md): Verify configuration-specific ratings and compliance in the manufacturer documentation. - 800 kVA - 10 MVA, 34.5 kV - 36 kV / 0.69 kV - 0.9 kV
- [Wind Plant (RES) Step-Up Transformers](https://voltformer.com/category/renewable-energy-transformers/wind-farm-step-up-transformers.md): Verify configuration-specific ratings and compliance in the manufacturer documentation. - 2 MVA - 15 MVA, 33 kV - 66 kV / 0.69 kV - 33 kV
- [Battery Energy Storage (BESS) Transformers](https://voltformer.com/category/renewable-energy-transformers/bess-battery-storage-transformers.md): Verify configuration-specific ratings and compliance in the manufacturer documentation. - 1 MVA - 8 MVA, 34.5 kV - 35 kV / 0.6 kV - 0.8 kV

## Sample Products

- [VF-TBEA-SOL-3150-35 - TBEA 3150 kVA 35/0.8-0.8 kV Dual Secondary Solar PV Step-Up Transformer](https://voltformer.com/product/tbea-3150-kva-35-0-8-0-8-kv-dual-secondary-solar-pv-step-up-transformer.md)
- [VF-TBEA-SOL-5000-35 - TBEA 5000 kVA 35/0.8-0.8 kV Split-Winding Central PV/Wind Step-Up Transformer](https://voltformer.com/product/tbea-5000-kva-35-0-8-0-8-kv-split-winding-central-pv-wind-step-up-transformer.md)
- [VF-TBEA-WND-6000-66 - TBEA 6000 kVA 66/0.69 kV Offshore Wind Transformer](https://voltformer.com/product/tbea-6000-kva-66-0-69-kv-offshore-wind-transformer.md)
- [VF-TBEA-BES-2500-35 - TBEA 2500 kVA 35/0.65 kV Bidirectional 4-Quadrant Battery Storage (BESS) Transformer](https://voltformer.com/product/tbea-2500-kva-35-0-65-kv-bidirectional-4-quadrant-battery-storage-bess-transformer.md)
- [VF-AST-SOL-3150-345 - Astor Enerji 3150 kVA 34.5/0.8-0.8 kV Dual Secondary Solar PV Step-Up Transformer](https://voltformer.com/product/astor-enerji-3150-kva-34-5-0-8-0-8-kv-dual-secondary-solar-pv-step-up-transformer.md)
- [VF-BTW-SOL-3150-35 - Baobian Electric 3150 kVA 35/0.8-0.8 kV Dual LV Solar Step-Up Transformer](https://voltformer.com/product/baobian-electric-3150-kva-35-0-8-0-8-kv-dual-lv-solar-step-up-transformer.md)
- [VF-JSHP-WIND-5000-33 - Jiangsu Huapeng (JSHP) 5000 kVA 33/0.69 kV Wind Turbine Tower-Mounted Compact Dry-Type Transformer](https://voltformer.com/product/jiangsu-huapeng-jshp-5000-kva-33-0-69-kv-wind-turbine-tower-mounted-compact-dry-type-transformer.md)
- [VF-JSHP-SOL-2500-35 - Jiangsu Huapeng (JSHP) 2500 kVA 35/0.8-0.8 kV Dual LV Solar Step-Up Transformer](https://voltformer.com/product/jiangsu-huapeng-jshp-2500-kva-35-0-8-0-8-kv-dual-lv-solar-step-up-transformer.md)

## Technical specialization coverage

- **Dual Low-Voltage Secondaries (0.8-0.8 kV / 35 kV Split-Winding)** (Solar PV Step-Up Transformers): Catalogued in the current snapshot.
- **Electrostatic Shielded K-Factor (K-9 / K-13) Harmonic Withstand** (Solar PV Step-Up Transformers): Catalogued in the current snapshot.
- **Synthetic / Natural Ester Fluid Open-Field Solar Transformer** (Solar PV Step-Up Transformers): Catalogued in the current snapshot.
- **Wind Turbine In-Tower & Nacelle Compact Transformer** (Wind Plant (RES) Step-Up Transformers): Catalogued in the current snapshot.
- **Offshore 66 kV Heavy-Duty Corrosion Protected Transformer** (Wind Plant (RES) Step-Up Transformers): Catalogued in the current snapshot.
- **Bi-directional Four-Quadrant Battery Storage Transformer** (Battery Energy Storage (BESS) Transformers): Catalogued in the current snapshot.

## Official sources

- https://webstore.iec.ch/en/publication/599

- **Last reviewed:** 2026-09-13

## Typical Industries

- Solar PV Power Plants
- Wind Energy Power Plants
- Battery Energy Storage (BESS)
- Hybrid Renewable Energy Parks