5x DART-15 Dual Axis Solar Racking v Fixed Tilted Racking

This Calculator is pre-set for 5x DART-15 Solar Tracking units, fitted with 700W solar panels =42kW Array.


Change Panel Watts, Array Racking type and Latitude Location to suit your system.

NB: Only the RED cells can be changed, currently set for a 26KW Solar Array.

 1) Energy Generation;

 Enter Solar Panel Quantity:

 Solar Panels. 

 Add additional panels to increase System kW.
 Select Solar Panel Power:


$ Watt. 

   *Total Solar Panel Cost: $
 Select Solar Racking Type:

 For accurate calculation, solar panels effected by Shading from trees, buildings or terrain, simply reduce the hours of Generation! 

 Systems Energy Generated:

kWh/p DC Energy per Day. 


Array Size

 per Hour/peak 

Solar Energy


 per Day/peak 

Solar Energy


 per Week/peak 

Solar Energy


 per Month/peak 

Solar Energy


 per Quarter/peak 

Solar Energy


 per Year/peak 

 Above Fields indicate peak Energy production, other transmission losses reduce these results. 

 2) Small-scale Technology Certificates (STC);

 Delete if Not involved or Enter system STC's: 

 STC's set to End in January 2030.

 NB: STC are limited to a maximum 100kW system. Click Here to Calculate YOUR System STC Quantity

Enter Your Solar System STC's: 

 STC Credits. 

 (Pre-Set to a 52.5KW Solar Array using 700W Panels)

 *Small-scale Technology Certificate (STC) Price: 

$ per STC.  

  Systems STC's to be Paid: $

 Calculate the Government STC Price, by setting the above to the current Market price.

 STC are for Arrays under a 100kW, REC are for Larger Generators & Paid quarterly, compared to a One off payment for STC.

 3) System Generation, Consumption & Feed-In Tariff or P2P Income;

Daily Solar Energy Generated:


 Enter Your Daily Energy CONSUMPTION:

 kWh per Day.   Change this figure to match your actual energy Consumption ! 

 *System DAILY EXCESS Energy:


Feed-In Tariff or P2P Income Rate:

  $   $ 

 EXCESS Energy field MUST be Positive, if not increase Solar Generation or reduce Consumption, the more Power Generated reduces the break-even period if Grid connected !

 4) Enter Your Local Retailer Energy Rate: 

 Change to your local Retailer Energy Rate: 

$  per kWh (Red Energy $0.26kWh April 2023) 

 Even if you are Off-Grid, Change the above Retailer Rate to match your local Electricity Rate, as it will indicate what you are Saving!

 5) System Income from P2P Energy Trading or Feed-in-Tarrif;


 per kW 


 per Day 


 per Week 


 per Month 


 per Year 

$ $ $ $ $

 Only if you are connected to the State Grid supply or Private distribution.

 6) Micro Grid - Potential Payback time;

*Estimated Equipment Cost: 

$ 5x DAT-15, Solar Panels, Inverter, Conduit, Cabling, Fittings & Concrete.

 *Estimated TOTAL Installation Cost: 

$ Labour: 5x DAT @$5'000each =$20k, +Trenching etc. Self Installation = Big Savings !

*STC Payment if Claimed: 

$ STC's are Paid in one lump-sum amount, after CEC approval.

 *Yearly Self-Consumption SAVINGS: 

$ ONLY applies if you Consume some of your Solar energy, as set above!

 *Yearly Feed-in-Tarrif or P2P INCOME: 

$ ONLY applies if you are State Grid connected and Exporting at the Rate You set above!

 *Years to the Financial Break-Even Point: 

 Years  Based on above figures entered.

Solar Array Capital Expense: 

$per kW   OR  $ per Watt  =Total System Cost - less STC's Refund ÷ by system kW.

Solar Levelised Cost of Energy LCOE: 

$per kW  LCOE =Total System Cost ÷ 25 year energy Generation.

 LCOE is Calculated on the system's total out of pocket Cost inc. O&M ÷ 25 years kW Generation. (25 years assumed lifetime)

 You can ONLY Change the above RED Fields to see the Investment Payback Time!



Important: *Please note that all amounts and estimates shown above can be set to suit multiple configurations, and are used for symbolic estimation purpose only.  The actual figure depends on lots of issues including quantity of sun (cloud coverage), Fixed panels, Single Axis or Dual Axis tracking, cabling (DC/AC), electrical connections and electronic losses etc.  These amounts and figures should be considered as example only, and under whatever circumstances, we do not make any guarantee, or cannot be held responsible about these estimates, if used as an actual return to investment!


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