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Subject: New Version Of Leap (2008.031)
Posted: 10/20/2008 Viewed: 1529 times |
A new version of LEAP is now available for download (2008.031).
This version allows you to assess the economic costs of unserved energy requirements (e.g. incidents of blackouts and brownouts). It also includes an improvement to the non-transportation stock turnover methodology as well as better charting capabilities -- an optional new divider indicating historical vs. projected values as well as new color palettes. It also includes a number of bug fixes, improvements to the API and updated help.
As always, this version is backwards compatible with earlier versions.
You can download the full version from here...
...or you can use the menu option in LEAP labeled Help: Check for Updates.
Here is the full list of changes:
* Charts: can now optionally display two marker labels and a dividing line indicating how time series are divided between historical (Current Accounts) data and scenario projections. These markers have default labels (Actual and Projected), which you can click if you wish to edit the label. The marker labels and divider are only displayed on charts with years as the X axis and in cases where the Current Accounts contains more than one year of data. You can also right-click on a chart to disable this feature.
* Unmet Requirements: Added new Results report showing overall unmet requirements (i.e. unserved demands) remaining after all Transformation modules have been calculated. This corresponds to the "unmet requirements" row in the Energy Balance table. Note that each Transformation module may also report "unmet requirements". However, these module level values do not necessarily sum up to the overall unmet requirements, since one module may leave some requirements unmet, but these may subsequently be met by modules in later branches of the tree. For example, am area may contain more than one electric generation module each of which produces a fraction of the overall electricity requirements.
* Cost of Unmet Requirements: This new variable allows you to specify a damage cost per unit of unserved energy requirements (see above). For example, it can be used to specify an economic cost of electricity blackouts, brownouts or other incidents of unserved energy demands. This cost need not be the same as the original production cost of the fuel. If specified, this cost also now forms part of LEAP's overall social cost-benefit calculations.
* Usage Factor: Added this new variable for use in non-transport stock turnover models. This variable is a simple multiplicative factor (with a default value of one) that is applied to the average intensity of all devices of any vintage in each year of the calculation. This variable was added to allow users to distinguish between device technical specifications which depend on stock turnover and the usage of the device which is likely to depend more on socio-economic factors. For example, you might use this factor to simulate how average household heating and cooling usage increases year-on-year as incomes increase, independently of the introduction of new building efficiency standards, which can be modeled via the Marginal Final Energy Intensity variable.
* Energy Balance: Added option to export energy balance to a .CSV file.
* API: Added new API functions to allow adding of aggregate energy intensity and useful energy branches and for exporting results to .XLS files. Also added new API functions for getting and setting the units, columns and scenarios in energy balances, and for copying energy balances to the clipboard, and exporting them to .XLS and .CSV files.
* Charts: Added four new chart color palettes.
* Bug fix: Fixed problems with the optional growth factor parameter within the Interp, Step and other time-series functions. The parameter was not working correctly if it was specified as a reference to another variable that itself changed over time.
* Bug fix: Fixed problems and improved performance when showing/hiding branches in multi-region areas. Also added a new option on the tree menu to hide an individual branch in the current region.
* Bug fix: Fixed a problem in Transformation calculations: LEAP was sometimes erroneously reporting an invalid value in a variable (maximum built capacity) even when it was unused/hidden.
* Bug fix: Fixed problem with chart placement on the "Split" tab in Results view.
* Updated help files.