To be added for annual accounting (3.5.0): The number of hosts available in a scenario will determine the number of accounts in an account type. Hosts in a scenario consist of water users, BL node and ED node.
To associate an account with a host in the RA Explorer, click on the individual account below the Account type. The section on the far right lists all the associated account hosts available in the scenario. [If a host has been associated with a previous account, it will not appear in the list.]. Click on the required host.
...
This tab provides an overview of the annual accounting system. The parameters that need definition are explained in Table 1.
Table 1. Annual accounting, Configuration tab
| Item | Description |
|---|---|
| Owner | This lists all the owners that have been configured using the Ownership Setup dialog (refer to Ownership in Source) |
| Debit Type | Determines how water is deducted from all accounts associated with this continuous accounting system; based on either order or extractions. |
| Start of Water Year | Day-month that the water year starts. |
| Usage to date | Represents how much of the water allocated has been ordered or used by water users in the water year to date. There are two options available - Usage From Function and Usage From Account Host. When losses need to be considered, an expression may be required to account for this. |
| Storages | Lists all the water storages in the project. Tick any storage you want to use. |
| Inflows | Lists all the inflow in the project. Just like the storages, tick any inflow you want to run in this project. The recession factor of each inflow can be changed using the corresponding Function Editor. |
| Other Resources | A list of resources that can affect the annual accounting system. Once you enter a name, you can enter a function for it. |
| Commitments | A list of commitments that can affect the annual accounting system. Once you enter a name, you can enter a function for it. |
...
This tab provides a summary of all the accounts in the annual accounting system. As shown in Figure Figure 2, you can add or delete accounts using the corresponding buttons below the Accounts table.
Figure 2. Annual Accounting, Accounts tab
Each of the parameters in the Accounts table is explained in Table 2.
Figure 2. Annual Accounting, Accounts tab
Table 2. Annual accounting, Accounts tab
| Item | Description |
|---|---|
| Name | Name of the account. |
| Account host | Node that the account is associated with. |
| Account type | Type of account. This is configured under the hierarchical item Account Type. |
| Unit shares | |
| Initial balance | The initial account balance. If you are going to use the initial account function, you need to ensure that there is sufficient water in storages to cover the total initial balances as well as the required reserves and TOL balance. If the initial balances are set too high a warning message will be generated and the results may not follow the required logic. |
| Info | ||
|---|---|---|
| ||
| Note: The last two column values correspond to the account information entered under the Account Type. |
Adding accounts
Click Add Account to open the Add New Account dialog (shown in Figure 3) and add an account in the table. The number of hosts available in a scenario will determine the number of accounts in an account type. Hosts in a scenario consist of water users, bulk licensing node and the environmental demand node.
Figure 3. Annual accounting, Accounts tab, Add New Account
Allocation
The Allocation tab shows how resources are distributed, along with the proportion that is carried over (as shown in Figure 4). This view changes with how the Account type has been configured, in particular the Method to apply for this account type in ARA table parameter.
Figure 4. Annual accounting, Allocation tab
Off-Allocation System
To add an off-allocation system, right click Annual Accounting and choose Add Off-Allocation System. Refer to the Off Allocation node for more information.
...
The Method to apply for this account type in ARA table drop-down menu has several options available (as shown in Figure 2), each with a different set of input parameters. These are explained in Table 2.
| Info | ||
|---|---|---|
| ||
| Note: The option chosen here affects the view in the Allocation tab (of the main Annual accounting screen). |
| Method | Input parameters |
|---|---|
| Function | Enter a function using the Function Editor |
| Monthly varying | Choose the appropriate Calculation Method - either Interpolate or Threshold |
| Percent (with function) | |
| Percent (with linked volume) - default | Accounced Increment checkbox and corresponding field Maximum Announced Percent checkbox and corresponding field Use Shares checkbox Shares - Corresponds to the |
| Volumetric | Set the volume of the |
...
Accounts can be managed at Annual Accounting or Account Type levels.
Allocation
Click Allocation beside accounts on the top of right hand panel, Available Resource Versus Allocation displays below (Figure ?). The appearance of Allocation depends on the choice of method to apply for this account type in ARA tablein configuration of Account Type, The ARA table will display as the variations below (Figure ?).
...