BTR Enerji · Solar TrackerSolar Tracker Cost: What Drives the Price of a Tracker PV Plant and Its Payback
The cost of a solar tracker plant cannot be expressed as a single unit price. The plant size, terrain slope and soil, the selected modules and inverters, the transformers and the grid connection all shape the total investment. This guide summarises the cost items of a tracker PV plant and the factors that move the price.
Cost items of a tracker PV plant
| Item | Description |
|---|---|
| PV modules | Usually the largest single item; varies with origin and technology (N-type, bifacial). |
| Tracker structure | Torque tubes, slew drives, motors, piles and controllers (TCU/NCU). |
| Inverters | Number and rating of string inverters; DC/AC ratio. |
| LV panels, transformers and MV switchgear | LV distribution panels, transformer(s), MV cells and kiosks. |
| Cabling | DC solar cable (1x6 mm²), LV and MV cables, trays and connectors. |
| Grid connection and SCADA | Connection fees, metering and protection, monitoring system. |
| Installation and civil works | Electrical and mechanical installation, machinery, concrete, grading and transport. |
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Factors that affect solar tracker prices
- Plant size (MWp): Fixed items such as transformers, switchgear and SCADA are spread over more capacity, so the cost per MW falls as the plant grows.
- Terrain slope and topography: Where the slope along the axis exceeds the tolerance, cut and fill is needed. This is not a lump-sum item; it scales with the volume in m³.
- Soil conditions: Rock or loose soil changes pile length and installation method; a geotechnical survey and pull-out tests are required.
- Wind and snow loads: Higher design loads require stronger profiles and more piles.
- Module and inverter choice: Module power, bifacial technology and inverter voltage class affect string design and cable quantities.
- Distance to the grid: Length of the MV line and the capacity of the connection point.
- Country, logistics and labour: Most equipment is priced in USD or EUR; freight, customs duties and local labour rates differ by country.
How much more expensive is a tracker than fixed-tilt?
The initial investment of a tracker plant is usually 8–12% higher than a fixed-tilt plant of the same capacity. Because it typically produces 15–25% more energy, the levelised cost of energy (LCOE) is lower on most sites, and the extra investment usually pays back within a few years.
Example: payback of a 10 MWp tracker plant
In the sample feasibility report produced by our simulator (Seville, Spain, 9.99 MWp) the results are: annual yield 22,505 MWh, gain over fixed-tilt +22.3%, LCOE EUR 0.0348/kWh, simple payback 3.4 years, 25-year NPV EUR 11.4 million, IRR 30.0%. The model includes module degradation, O&M, insurance, an inverter replacement in year 13 and 2% annual electricity price escalation.
These figures belong to one example site and are not a quotation; your investment, electricity price and irradiation will differ. You can request the full report and run the same calculation for your own land free of charge.
How is the payback period calculated?
A sound payback calculation combines the total investment, annual yield (including module degradation), the electricity price and its escalation, O&M costs, insurance, inverter replacement and the discount rate. Simple and discounted payback, NPV and IRR follow from these inputs. Our simulator runs this calculation for your site and compares the tracker and fixed-tilt options side by side.
Note: This page is for general information only. Prices depend on the project, the date and exchange rates. Ask for a quote for a binding price.
Frequently asked questions
How much does a solar tracker system cost?
The price depends on plant size, terrain slope and soil, module and inverter choice, transformers and the grid connection. Compared with a fixed-tilt plant of the same capacity, the initial investment is usually 8-12% higher. You can run a free simulation or request a quote for a site-specific cost.
How long is the payback of a solar tracker?
Thanks to typically 15-25% more yield, the extra investment pays back within a few years on most sites. The exact period depends on the electricity price, irradiance and investment amount.
Does terrain slope affect solar tracker cost?
Yes. Where the slope along the tracker axis exceeds the 10-15% tolerance, local grading (cut and fill) is needed, and this earthworks cost is added to the investment based on the volume in m³.
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The ratios on this page are typical industry ranges and are not binding; exact values are determined by a site-specific analysis.