# Available Data Columns

The following table displays all available data columns in the dataset. Each value in the time series represents the
average value over a 15-minute interval:

 data              | description                                                                           | unit  
:------------------|:--------------------------------------------------------------------------------------|:------
 `GHI`             | Global Horizontal Irradiation measured on horizontal plane                            | W/m²  
 `BNI`             | Beam Normal Irradiation                                                               | W/m²  
 `DHI`             | Diffuse Horizontal Irradiation                                                        | W/m²  
 `GTI`             | Global Tilted Irradiation on a PV panel in the plane (unshaded)                       | W/m²  
 `GTI_shaded`      | Global Tilted Irradiation on a PV panel in the plane (after all shading calculations) | W/m²  
 `temp`            | Temperature measured 2 meters above ground                                            | °C    
 `RH`              | Relative Humidity                                                                     | %     
 `precip`          | Total precipitation                                                                   | mm    
 `vwind`           | wind speed measured 10 meters above ground                                            | m/s   
 `weather_code`    | Weather Code, see table above                                                         | -     
 `snow_height`     | Snow Height on ground as water equivalent                                             | mm    
 `spec_watts`      | Generated Specific Watts of the PV-array/s                                            | W/kWp 
 `pv_watts`        | Generated Watts of the PV-array/s                                                     | W     
 `battery_state`   | Charge state of the battery                                                           | Wh    
 `external_energy` | External Energy used to satisfy total electric load                                   | Wh    
 `feed_in`         | Excess Energy which is fed in grid                                                    | Wh    
 `battery_charge`  | Energy used for charging the battery                                                  | Wh    
 `total_elec_dem`  | Total electric demand                                                                 | W     
 `load_jv`         | Electric demand specified by demand profile                                           | W     
 `load_hp`         | Electric demand used by heat pump                                                     | W     
 `air_cond_load`   | Electric demand used by air conditioning                                              | W