Frequently asked questions and answers!

11) Financial analysis

To do this, open the created project and then select the Calculate tab.

Next, we move on to the various stages of conducting the financial analysis of the project being created. In the appropriate fields, enter such information as: Consumer’s electricity bill and price, information on possible crediting of the investment and the amount of the investor’s own contribution. You should also choose the financial analysis model adopted in the project.

The next steps are explained in the question below.

Step-by-step instruction for performing the financial analysis.

1. Fill in the electricity bill and electricity price fields

In the first step, is required to complete the Monthly total electricity bill (1), which is the actual amount payable by the customer divided by two (if the customer has a bill for 2 months). Another thing to consider is the annual percentage change in energy proces (2) and the current Price of electricity (3). The last parameter that determines energy consumption is the daytime and night time consumption profile (4). It tells us whether the energy is consumed only during the day (the slider is moved to the far right) or only at night (the slider is moved to the left). In case of problems, a hint is always displayed at the top, which data currently needs to be completed to perform the analysis.

The Annual change in energy prices (2) is the percentage that we determine in order to determine a more detailed analysis of the money that the customer will be able to save after installing the PV system. The change in electricity prices is the projected percentage increase in electricity prices for households.

The Price of electricity (3) is the gross price with the transmission of this energy. Usually, it is difficult for the customer to determine the exact data of the charges broken down into transmission and electricity costs, so we use the combined price in the calculation to simplify the data that the customer is to provide to prepare the calculation.

2. Analysis model

In the next step, we choose the financial analysis model. To use our model database, just search for it by the name of the country or a specific phrase in the search engine (1). All records meeting the requirements will be displayed below (3). Information about a specific model – discounts, returns, settlements, can be found on the right (4). If you do not find the model you need or want to add your own, just use the “+” button (2) and complete the form. Instructions for creating your own analysis model are shown below.

After this step, we will get a preliminary analysis with graphs.

2.1. Instructions for creating your own financial analysis model.

  1. Name – name of the analysis model to be created, by which it will be possible to search for the given model in the list. The name will be displayed in the database of analysis models,
  2. Tax credits– discounts received by the client for the installation of PV panels (e.g. thermomodernization). We give this discount in % and it is added as a % of the investment costs in the economic analysis, which is then displayed as the received payments,
  3. Rebates -one-off discounts or subsidies provided to the client at the beginning of the investment. The cash grant is deducted as a surcharge in the first year,
  4. Rebater per kilowatt – customer discount for the purchase of energy for the photovoltaic installation. This is the same as the Rabates but in terms of kWp,
  5. Net metering available to fed ratio – expressed in %, the difference occurring as a result of surplus energy production. It informs how much energy we can receive from the grid in the discount model. If we give 1 kWh of surplus energy to the grid during the year, we will be able to get 0.8 kWh from the grid for free, so the ratio will be 80% (for installations with a power below 10kWp and instalated in Poland),
  6. Net metering surplus price – value determined by the network operator with whom the customer signs an agreement on the rate of surplus energy produced,
  7. Green certificate price – we introduce if the client has the so-called Green Certificate, these will be additional income due to subsidies for the generated electricity,
  8. Green energy produced price– a value that determines how much the customer will receive for each kWh produced by his PV installation (it does not necessarily mean selling energy to the grid),
  9. Green energy fed into the grid price – value received for each kWh fed into the grid,
  10. Solar panels degradation factor – average annual decrease in the power of the panels that will be installed to the customer.

3. Określenie kredytowania / leasingu

The final step is to define the loan. To start this operation, you need to change the percentage of Own contribution by moving the slider to the appropriate place (1). The own contribution that the customer must have, as well as the total cost of the installation in the form of initial costs, can be seen on the right (4). If you have decided on a loan or leasing, you need to determine its duration in years (2) and its Rate of interest (3). After setting these parameters, on the right side (4) we will see the monthly loan installment and the total amount that we will pay the lender. All changes in the analysis parameters are visible in the diagram of Production and consumption of energy (5) and in the Cumulative cash flow (6).

You can change the profile in the “Financial analysis” tab, and then use the slider to adjust the appropriate “Day and night electricity consumption profile“.

If energy is consumed only during the day, the slider should be set maximally to the right, and if only at night, the slider should be set maximally to the left. We set the same analogy if the energy consumption profile has a different day to night ratio. In case of problems, a hint is always displayed at the top, which data currently needs to be completed to perform the analysis.

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