WaiMAPMut, Mersin – solar PV plant (demonstration)
Near Mut, Mersin, Türkiye — A ≈ 50.4 MWp fixed-tilt PV plant on a ≈ 65.5 ha demonstration parcel: layout, cabling, BoQ and Class 4 CAPEX, pvlib yield on free data (95.4 GWh/yr), site conditions, roads and a BESS option.
Purpose
Show the solar workflow from a drawn parcel to a sample report: what fits, what it produces, what it costs, and how storage changes the picture.
Scope
Concept layout and screening yield / cost. Not included: terrain and slope (no DEM on the build machine), grid connection capacity, land, permits, a P50 / P90 for financing.
Technical challenges
- Hilly terrain around Mut — slope will decide the usable area
- Hot summers — temperature losses
- Grid connection and curtailment risk in a solar-rich region
- Storage economics depend on the market price spread
Input data given to WaiMAP
Every input with its source and licence. Open atlas data load automatically; the rest was entered by hand.
| Input | Source and licence | How |
|---|---|---|
| Solar resource (GHI, PVOUT, air temperature) | Global Solar Atlas 2.0 (World Bank Group, data by Solargis) (CC BY 4.0) | automatic (atlas on the calculation server) |
| Wind speed at 150 m | Global Wind Atlas 3 (DTU, World Bank Group) (CC BY 4.0) | automatic |
| Population density 2025 | GHS-POP R2023A, European Commission, JRC (CC BY 4.0) | automatic |
| Built-up surface 1975–2030 | GHS-BUILT-S R2023A, European Commission, JRC (CC BY 4.0) | automatic |
| River flood depth, 100-year return period | JRC / Copernicus Emergency Management Service – GloFAS flood hazard map, 100-year return period (CC BY 4.0) | automatic |
| Site boundary | drawn by the user | manual input |
| Module, mounting, tilt, GCR, inverter | WaiPVLayout defaults (580 W modules, fixed 25°, GCR 0.38, 330 kW string inverters) | automatic, editable |
| Market prices for the BESS case | WaiMAP synthetic Türkiye market year (illustrative) | automatic — replace with real prices |
Automatic workflow vs manual input
| Step | Automatic / manual | Engine |
|---|---|---|
| Site boundary | Manual input | drawn by the user |
| Site conditions | Automatic | Atlas statistics + WaiMAP Solar Suitability |
| Layout, cabling and BoQ | Automatic | WaiPVLayout.design |
| Energy yield | Automatic | pvlib 0.16.1 (PVWatts DC/AC, SAPM cell temperature, physical AOI) |
| Access roads and internal roads | Automatic | WaiPVLayout (internal) · Logistics (external, in the app) |
| BESS option | Automatic | WaiBESS.hybridSizing + WaiBESS.full (synthetic Türkiye market year) |
| Report | Automatic | WaiMAP report engine (lib/wai-report) |
Calculation steps — engines and methods
The results below are what the engines returned on 2026-10-12 23:32 UTC. Steps that need data the build machine did not have are marked and carry no numbers.
Site boundary Manual input
A 4-corner parcel of ≈ 65.5 ha near Mut (Mersin) — demonstration geometry, not a real parcel.
- Area 65.5 ha, fence 3.26 km
Site conditions Automatic
Atlas layers inside the boundary; suitability with re-normalised weights (no slope without a DEM).
- PVOUT 1,747 kWh/kWp, GHI 1,913 kWh/m², air temperature 17.8 °C, wind 150 m 4.76 m/s
- RP100 flood: 0.0 % of the site; population 0 persons/km² (mean); built-up 2025 0.0 %
- Solar Suitability 93 / 100 at the centre
- Terrain and slope: not assessed here (no DEM) — the hills around Mut make a slope check essential before the layout is fixed
Layout, cabling and BoQ Automatic
Fixed tables 2 × 28 modules (580 W), tilt 25°, GCR 0.38, 15 m setback, 5 m internal roads; blocks around MV stations; string inverters 330 kW; DC / LV / MV cables sized by ampacity and voltage drop.
- 1,553 tables · 86,968 modules · 50.44 MWp DC / 40.6 MWac (DC/AC 1.24) · 123 inverters · 7 MV stations · 2 feeders
- Cables: DC 278.1 km, LV 18.5 km, MV 2.6 km; ohmic losses at STC DC 0.43 %, LV 1.19 %, MV 0.17 %
- Class 4 CAPEX USD 25.1 million (USD 0.497/Wp, engine rates — replace with quotes)
Energy yield Automatic
pvlib 0.16.1 clear-sky (Ineichen–Perez, Linke turbidity climatology) scaled ×0.947 to the Global Solar Atlas annual GHI 1917 kWh/m² at the site; Erbs decomposition; air temperature 17.9 °C (GSA long-term mean, constant); wind 1 m/s. Fixed tilt 25°, south; 7 % other losses.
- 95.4 GWh/yr, specific yield 1,892 kWh/kWp, PR 0.859, capacity factor (AC) 26.8 %
- Independent atlas value: Global Solar Atlas PVOUT 1,751 kWh/kWp (optimum tilt, GSA losses) vs pvlib 1,892 kWh/kWp — difference +8.1 %
- The clear-sky-shaped weather year carries more beam irradiance than a measured year, so the tilted-plane yield reads high; the atlas value is the more conservative reference
- No Solargis time series or report was used. A P50 / P90 for financing needs measured or licensed data and an independent review.
Access roads and internal roads Automatic
Internal 5 m roads every 10 rows and around blocks; the external access road and the transformer delivery route need the Logistics module with a routing service.
- Internal roads 9.3 km
- External access and abnormal-load route: runs in the app (Valhalla routing, mapped restrictions)
BESS option Automatic
Screening range for energy shifting, then a 20 MW / 2 h LFP case: perfect-foresight dispatch with a forecast capture factor, degradation and augmentation, Class 4 BoQ and project finance.
- Screening range: 15.1–30.3 MW, 45.3–151.5 MWh (Energy shifting / firming (midday PV to the evening peak))
- 20 MW / 40 MWh: CAPEX 231 EUR/kWh, year-1 revenue 22.2 EUR/kW-yr, 364 full cycles, project IRR -13.4 %, LCOS 164 EUR/MWh
- Duration comparison: 1 h — NPV -6,596,653 EUR, LCOS 201; 2 h — NPV -8,591,960 EUR, LCOS 164; 4 h — NPV -13,986,497 EUR, LCOS 150
- Prices: WaiMAP synthetic market year — illustrative only; on this synthetic year the merchant case is not economic, which is itself a screening result; use real hourly prices (EPİAŞ export) for a decision
Report Automatic
Structured report document → PDF with the official cover (design status, approval status, report level).
- Sample report and calculation summary below
Maps, alternatives and figures
Rendered from the engine results; every figure carries the WaiMAP stamp and the attribution of each visible layer.
3D: no 3D render is published for this demonstration; in the app, Project 3D shows towers, PV tables, buildings and point clouds of your own project (Pro and above).
Tables
Monthly energy (pvlib)
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MWh | 6,439 | 6,887 | 8,562 | 8,403 | 9,567 | 9,337 | 9,323 | 8,985 | 8,172 | 7,708 | 6,223 | 5,842 |
Bill of quantities and Class 4 CAPEX (WaiPVLayout)
| Item | Quantity | Unit | USD |
|---|---|---|---|
| PV modules 580 Wp | 86,968.0 | pcs | 5,296,351 |
| Fixed tables 2P × 28 | 1,553.0 | pcs | 2,774,279 |
| String inverters 330 kW | 123.0 | pcs | 1,298,880 |
| Power stations (MV skid) 6.6 MVA, 800 V / 33 kV | 7.0 | pcs | 4,389,000 |
| Collector substation 33 kV / HV, 50 MVA | 1.0 | lot | 3,600,000 |
| DC string cable 4 mm² Cu (H1Z2Z2-K) | 263,861.0 | m | 211,089 |
| DC string cable 6 mm² Cu (H1Z2Z2-K) | 14,277.0 | m | 14,277 |
| LV AC cable 3 × 150 mm² Al | 5,762.0 | m | 74,906 |
| LV AC cable 3 × 185 mm² Al | 5,741.0 | m | 86,115 |
| LV AC cable 3 × 240 mm² Al | 6,502.0 | m | 123,538 |
| LV AC cable 3 × 300 mm² Al | 515.0 | m | 11,845 |
| MV cable 33 kV 3 × 1 × 95 mm² Al | 1,279.0 | m | 35,812 |
| MV cable 33 kV 3 × 1 × 240 mm² Al | 946.0 | m | 39,732 |
| MV cable 33 kV 3 × 1 × 400 mm² Al | 340.0 | m | 18,700 |
| Cable trenches (LV + MV routes) | 13,677.0 | m | 300,894 |
| Internal and perimeter roads (5 m gravel) | 9,284.0 | m | 510,620 |
| Perimeter fence and gates | 3,256.0 | m | 104,192 |
| Site preparation, drainage | 65.5 | ha | 393,000 |
| SCADA, monitoring, CCTV, weather stations | 50.4 | MWp | 277,420 |
| Earthing and lightning protection | 50.4 | MWp | 201,760 |
| Mechanical and electrical installation | 50,441,440.0 | Wp | 2,774,279 |
| Engineering, permitting, project management | 1.0 | lot | 901,468 |
| Contingency | 1.0 | lot | 1,640,671 |
Site statistics from the atlas (inside the boundary)
| Layer | Mean | Min | Max | Units | Source |
|---|---|---|---|---|---|
| Specific PV power output (PVOUT) | 1,747 | 1,747 | 1,747 | kWh/kWp/yr | Global Solar Atlas 2.0 (Solargis) |
| Global horizontal irradiation (GHI) | 1,913 | 1,913 | 1,913 | kWh/m²/yr | Global Solar Atlas 2.0 (Solargis) |
| Air temperature (TEMP) | 17.8 | 17.8 | 17.8 | °C | Global Solar Atlas 2.0 (Solargis) |
| Mean wind speed at 150 m | 4.76 | 4.76 | 4.76 | m/s | Global Wind Atlas 3 (DTU) |
| Population density 2025 (GHS-POP) | 0 | 0 | 0 | persons/km² | GHS-POP R2023A, European Commission, Joint Research Centre (JRC) |
| River flood depth, 100-year return period | 0.00 | 0.00 | 0.00 | m | JRC / Copernicus Emergency Management Service (CEMS) – GloFAS flood hazard maps, 100-year return period |
| Built-up surface 2000 (GHS-BUILT-S) | 0.00 | 0.00 | 0.00 | % built-up | GHS-BUILT-S R2023A, European Commission, JRC |
| Built-up surface 2025 (GHS-BUILT-S) — projection | 0.00 | 0.00 | 0.00 | % built-up | GHS-BUILT-S R2023A, European Commission, JRC |
Checks, warnings and limitations
- Terrain and slope are not assessed (no DEM on the build machine); hilly ground around Mut can reduce the usable area and change the layout.
- The weather year is a clear-sky shape scaled to the Global Solar Atlas annual GHI — a screening method, not a typical meteorological year; no Solargis or other licensed data were used.
- BESS revenues use a synthetic market year; Türkiye's storage licensing and grid-connection rules must be checked.
- Grid connection capacity, land ownership, permits and environmental constraints are not assessed in this demonstration.
- Unit rates are the engine's Class 4 assumptions (2026); replace them with quotes.
How a stakeholder uses it
- Developer / IPPSees capacity, energy and CAPEX on the parcel before land negotiations
- EPC contractorStarts the bid from the BoQ, cable lengths and stations
- Investor / lender's adviserReads the yield method, the independent atlas comparison and the open items (terrain, grid, P90)
- Grid operatorGets MWac, the substation size and the storage option
Time and effort
Engine computation time for the whole story on the build machine: 2.1 s (measured on 2026-10-12 23:32 UTC; Intel(R) Xeon(R) Processor @ 2.80GHz, 2 cores). Data preparation, review and reporting time are not included and are not estimated here.
Downloads
- Sample report (PDF)Drawn by the WaiMAP report engine with the official cover — design status "Concept", approval status "Pre-feasibility only", labelled as a demonstration.
- Calculation summary (CSV)Every key value with its unit, engine and source.
- Demonstration geometry (GeoJSON)Opens read-only on the WaiMAP map: Open in WaiMAP.
Try it on your own project
Video coming soonReserved for approved real project material related to Mut, Mersin – solar PV plant (demonstration). No real project material is published here yet; nothing on this page describes a real project.