HOMER PRO REPLACEMENT COST PLUS
(This could be the cost of a room or a building used to house the batteries.) Each battery then costs $700 plus $5/yr for operating and maintenance. In the example below, the fixed cost of the battery bank is $2,700 initially plus $35/yr for operating and maintenance. button and enter multiple rows in the cost table. If you want the battery bank's costs to vary with quantity (i.e., the per item cost might be lower for larger quantities), click the More. If you model a system with three batteries, the associated capital, replacement, and O&M costs are three times the values entered in the cost table.
HOMER extrapolates these costs as needed. In the example above, each battery costs $1,800 initially, $1,600 to replace, and $10 annually for operating and maintenance. Enter a quantity of one, along with the per-component capital, replacement, and operating and maintenance costs.
If each battery costs the same regardless of how many you purchase, you only need to enter data in the basic cost table. This example uses batteries, although the storage component can be a variety of energy storage technologies.
In the cost table, enter the cost curve in as much detail as you want. For more information, see Why Would I Do a Sensitivity Analysis? Cost Curve Note: Below each numerical input is a sensitivity button ( ) that allows you to do a sensitivity analysis on that variable. The O&M cost is the annual cost of operating and maintaining the storage. The Replacement cost is the cost of replacing the storage at the end of its lifetime. Note: The Capital cost is the initial purchase price. When specifying the capital and replacement costs, be sure to account for all costs associated with the storage, including installation and power electronics. The cost table includes the initial capital cost and replacement cost per storage item, as well as annual operation and maintenance (O&M) costs per storage. HOMER simulates each of the storage types, one component at a time. You can add more than one storage component to the model, but each one must include a zero in the Search Space. HOMER can include one flywheel storage component in addition to any one other type of storage component. HOMER can only simulate one storage component at a time with one exception. You can navigate between the Storage Set Up page and one or more Storage pages using the tabs at the top of the page or by clicking the appropriate icon in the Schematic on the left side of the page. See Adding Modules for more information on purchasing modules. Important: Components with after the name require the Advanced Storage Module. If the component you want is not listed, click the Complete Catalog button to see all the options in the your library, including the built-in items included with HOMER (in regular font) and those you created or imported into your personal library (in bold font). Click the Add Storage button to add the selected storage to your model. Select a Storage Component from the drop-down menu on the left side of the Storage Set Up page.