Feasibility report V3
9 August 2026 · Rooftop PV
1 USD = ₺47.61 · Central Bank 07.08.2026
9 August 2026 · Rooftop PV
1 USD = ₺47.61 · Central Bank 07.08.2026
Generation–consumption matching and investment feasibility
This report compares the generation profile of the designed plant with the facility's consumption profile on an hourly netting basis, and presents the financial results together with the capital cost derived from the bill of materials. Energy prices are held internally in Turkish lira and converted to the report currency for display only.
Report details. Project: Untitled project · Project ID: new · Calculated: 09.08.2026 11:19:51 · Input fingerprint: FZ-F115F8B7
Synthetic consumption profile. No hourly meter data is available; the result is modelled from the selected operating regime and may be optimistic.
2,801.0 kWpInstalled DC capacity
3,108,978Annual generation kWh
500,000Annual consumption kWh
49.3%Consumption covered
$1,342,290Capital cost used in the model
$182,925Year 1 saving
7.5 yearsPayback
12.4%Internal rate of return
Sanity check. Unit capital cost $0.479/Wp sits in the lower part of the market band; verify the project-specific roof, fire and grid items. The purchase price $0.0868/kWh assumes a regulated tariff; if a bilateral supply agreement applies, use the actual contract price.
1System summary
| Facility type | Rooftop | DC / AC capacity | 2,801.0 kWp / 2,241.0 kW |
| Module count and rating | 4,446 × 630 W | DC/AC ratio | 1.25 |
| Inverter count | 22 | Specific yield | 1,110 kWh/kWp |
Generation source — Energy simulation: ENERGY.result · year. The 8,760-hour generation curve was used for financial netting.
2Consumption assumptions
Consumption annual total was entered. The "spread evenly over 24 hours" regime was used for hourly distribution, with a summer-weighted monthly seasonality. This is a model; the result may change once meter data is entered.
3Monthly energy summary · hourly calculation
Monthly generation, consumption and self-consumption (kWh)
| Month | Generation kWh | Consumption kWh | Self-consumption | Exported to grid | Imported from grid |
|---|---|---|---|---|---|
| January | 109,867 | 28,226 | 10,267 | 99,600 | 17,959 |
| February | 146,816 | 28,226 | 11,775 | 135,041 | 16,451 |
| March | 227,225 | 32,258 | 15,298 | 211,927 | 16,960 |
| April | 312,615 | 38,306 | 19,615 | 292,999 | 18,691 |
| May | 379,017 | 46,371 | 26,559 | 352,458 | 19,812 |
| June | 415,327 | 54,435 | 31,754 | 383,573 | 22,681 |
| July | 427,569 | 60,484 | 34,946 | 392,624 | 25,538 |
| August | 381,196 | 60,484 | 31,971 | 349,225 | 28,512 |
| September | 279,737 | 50,403 | 24,656 | 255,081 | 25,747 |
| October | 192,611 | 40,323 | 17,610 | 175,001 | 22,713 |
| November | 132,619 | 32,258 | 12,229 | 120,391 | 20,029 |
| December | 104,377 | 28,226 | 9,914 | 94,463 | 18,312 |
| Total | 3,108,978 | 500,000 | 246,595 | 2,862,383 | 253,405 |
Paid-energy check: Of the 2,862,383 kWh exported to the grid, 2,862,383 kWh is treated as paid and 0 kWh as above the limit and subject to system usage charges. No limit was applied owing to a verified exemption.
Self-consumption ratio: 7.9% of generation was consumed on site. Sensitivity scenario (not the headline result): with monthly netting the year 1 saving would be $189,437.
4Bill of materials and capital cost
Capital cost by category ($)
| No | Item | Unit | Quantity | Unit price | Amount | Share |
|---|---|---|---|---|---|---|
| Solar equipment (modules and inverters) | 417,532 | |||||
| 1 | PV module 630 W | pcs | 4,446.00 | 68.81 | 305,935 | 22.8% |
| 2 | String inverter ≈102 kW each | pcs | 22.00 | 5,072.62 | 111,598 | 8.3% |
| Structural works (mounting system) | 159,537 | |||||
| 3 | Mounting profile (aluminium rail) | m | 10,671.00 | 9.45 | 100,863 | 7.5% |
| 4 | Mid clamp | pcs | 8,892.00 | 1.26 | 11,206 | 0.8% |
| 5 | End clamp | pcs | 2,223.00 | 1.47 | 3,269 | 0.2% |
| 6 | Rail splice | pcs | 1,557.00 | 2.00 | 3,107 | 0.2% |
| 7 | Roof mounting foot / sandwich-panel hook | pcs | 7,114.00 | 3.68 | 26,150 | 1.9% |
| 8 | Stainless bolt and nut set | set | 17,784.00 | 0.84 | 14,942 | 1.1% |
| DC cabling and connection | 104,182 | |||||
| 9 | DC solar cable 1×6 mm² | m | 61,622.00 | 1.64 | 100,959 | 7.5% |
| 10 | MC4 connector pair | pair | 1,071.00 | 1.22 | 1,305 | 0.1% |
| 11 | DC surge arrester (SPD Type 2) | pcs | 22.00 | 50.41 | 1,109 | 0.1% |
| 12 | DC load break switch | pcs | 22.00 | 36.76 | 809 | 0.1% |
| LV switchboard and cabling | 28,755 | |||||
| 13 | AC power cable (NYY) NYY 3×70+35 · 400 V · ~155 A per inverter | m | 1,210.00 | 14.91 | 18,045 | 1.3% |
| 14 | AC distribution board | pcs | 1.00 | 1,638.36 | 1,638 | 0.1% |
| 15 | AC moulded-case circuit breaker | pcs | 22.00 | 399.09 | 8,780 | 0.7% |
| 16 | AC surge arrester (SPD Type 2) | pcs | 1.00 | 60.91 | 61 | 0.0% |
| 17 | Bidirectional meter | pcs | 1.00 | 231.05 | 231 | 0.0% |
| HV distribution centre and transformer | 87,274 | |||||
| 18 | Dry-type power transformer ≈2500 kVA | pcs | 1.00 | 70,890.70 | 70,891 | 5.3% |
| 19 | MV switchgear (incomer / outgoing / metering / protection) | set | 1.00 | 16,383.63 | 16,384 | 1.2% |
| Earthing and lightning protection | 69,694 | |||||
| 20 | Earthing conductor (copper 16–35 mm²) | m | 12,605.00 | 5.04 | 63,543 | 4.7% |
| 21 | Earth rod | pcs | 47.00 | 28.36 | 1,333 | 0.1% |
| 22 | Equipotential bonding bar | pcs | 1.00 | 54.61 | 55 | 0.0% |
| 23 | Earthing clamp / exothermic weld kit | pcs | 2,668.00 | 1.79 | 4,763 | 0.4% |
| SCADA, monitoring and communications | 5,818 | |||||
| 24 | Datalogger | pcs | 1.00 | 546.12 | 546 | 0.0% |
| 25 | Power analyser | pcs | 1.00 | 189.04 | 189 | 0.0% |
| 26 | RS485 / communications cable | m | 6,163.00 | 0.80 | 4,919 | 0.4% |
| 27 | Modem / router (4G) | pcs | 1.00 | 163.84 | 164 | 0.0% |
| Site civil works and infrastructure | 50,835 | |||||
| 28 | Cable duct / tray | m | 5,042.00 | 10.08 | 50,835 | 3.8% |
| Installation labour and services | 248,678 | |||||
| 29 | Mechanical installation labour | kWp | 2,801.00 | 29.41 | 82,368 | 6.1% |
| 30 | Electrical installation labour | kWp | 2,801.00 | 24.16 | 67,659 | 5.0% |
| 31 | Transport and on-site handling | kWp | 2,801.00 | 10.92 | 30,594 | 2.3% |
| 32 | Design and engineering services | kWp | 2,801.00 | 17.85 | 50,009 | 3.7% |
| 33 | Grid connection and authority approval fees | project | 1.00 | 1,785.40 | 1,785 | 0.1% |
| 34 | Commissioning and testing | project | 1.00 | 966.21 | 966 | 0.1% |
| 35 | Health and safety and site organisation | kWp | 2,801.00 | 5.46 | 15,297 | 1.1% |
| Overheads and other | 169,984 | |||||
| 36 | Contingency | project | 1.00 | 29,307.63 | 29,308 | 2.2% |
| 37 | EPC margin and overheads | project | 1.00 | 140,676.64 | 140,677 | 10.5% |
| TOTAL CAPITAL COST | 1,342,290 | 100% | ||||
Capital cost per kWp: $479/kWp · Conversion: 1 USD = ₺47.61 · Central Bank 07.08.2026
5Financial result and unit price check
$0.0868Grid purchase price / kWh
$0.0611Paid export price / kWh
$0.0000System usage charge above limit / kWh
$0Total cost above limit
Assumptions — purchase $0.0868/kWh · gross export $0.0611/kWh · paid export $0.0611/kWh (single-rate active energy price for the customer group, EPDK, 4 April 2026) · O&M 1.0% of capital per year · module degradation 0.55%/year · energy price escalation 0.0%/year · O&M escalation 0.0%/year · discount rate 12.0% · lifetime 25 years.
Purchase price source — EPDK regulated tariff, 4 April 2026.
Tariff source — Purchase price: EPDK 4 April 2026 · MV single-rate · Industrial (active energy 290.9687 + distribution 118.2457 kr/kWh; including electricity consumption tax, excluding VAT = ₺4.1331/kWh) · EPDK — Electricity Tariff Tables (https://epdk.gov.tr/Detay/Icerik/3-0-1/tarifeler). If prices have been edited manually, this note shows only the source of the default.
Netting source — EPDK Board Decision no. 14531 · Official Gazette 05.05.2026 / 33244 (https://epdk.gov.tr/Detay/Icerik/3-0-92/lisanssiz-uretim). The decision came into force on 5 May 2026; the 2026 unlicensed-generation limit notification was issued as of 1 June 2026.
Cumulative cash flow (25 years)
| Year | Generation kWh | Net cash $ | Cumulative $ |
|---|---|---|---|
| 0 | 0 | -1,342,290 | -1,342,290 |
| 1 | 3,108,978 | 182,925 | -1,159,365 |
| 2 | 3,091,878 | 181,845 | -977,519 |
| 3 | 3,074,873 | 180,771 | -796,748 |
| 4 | 3,057,961 | 179,703 | -617,045 |
| 5 | 3,041,142 | 178,641 | -438,404 |
| 6 | 3,024,416 | 177,585 | -260,820 |
| 7 | 3,007,782 | 176,534 | -84,286 |
| 8 | 2,991,239 | 175,489 | 91,203 |
| 9 | 2,974,787 | 174,450 | 265,654 |
| 10 | 2,958,426 | 173,417 | 439,071 |
| 11 | 2,942,155 | 172,389 | 611,460 |
| 12 | 2,925,973 | 171,367 | 782,827 |
| 13 | 2,909,880 | 170,351 | 953,178 |
| 14 | 2,893,876 | 169,340 | 1,122,518 |
| 15 | 2,877,959 | 168,335 | 1,290,853 |
| 16 | 2,862,130 | 167,335 | 1,458,189 |
| 17 | 2,846,389 | 166,341 | 1,624,530 |
| 18 | 2,830,734 | 165,352 | 1,789,883 |
| 19 | 2,815,165 | 164,369 | 1,954,252 |
| 20 | 2,799,681 | 163,391 | 2,117,643 |
| 21 | 2,784,283 | 162,419 | 2,280,062 |
| 22 | 2,768,969 | 161,452 | 2,441,514 |
| 23 | 2,753,740 | 160,490 | 2,602,004 |
| 24 | 2,738,594 | 159,533 | 2,761,537 |
| 25 | 2,723,532 | 158,582 | 2,920,119 |
$36,781Net present value
12.4%Internal rate of return
$0.06Unit cost /kWh
7.5 yearsSimple payback
6Method, regulation and data quality
Netting regime
Generation and consumption were compared separately for every hour. Board Decision no. 14531 came into force on 5 May 2026; the 2026 unlicensed-generation limit notification was issued as of 1 June 2026.
Purchase price
Derived from the active energy and distribution charges for the selected customer group, with the selected tax treatment.
Export price
The single-rate active energy price for the selected customer group was used. No further distribution deduction was applied to the paid export price.
Paid generation limit
No limit was applied; this was selected as a user-verified exemption.
Currency consistency
Tariff, export and fixed O&M values are held in Turkish lira. Finance and capital cost were converted to USD together at 1 USD = ₺47.61 · Central Bank, 07.08.2026.
Method and limitations. The generation curve is taken from the application's hourly energy simulation. The consumption profile is based on the regime assumption stated above. Material quantities are preliminary values derived from engineering ratios per kWp; the definitive bill of quantities is prepared for the specific project. Prices are entered by the user and do not constitute an offer. Grid connection conditions, distribution charges and netting regulations vary by region and date; this report is not a binding commitment.
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