8760s
8760 exports contain hour-by-hour simulation data for one year for your design (24*365=8760). To generate an 8760, click the export button in the upper-right, and then "Solar 8760." You will have the option to either download separate 8760s (one for each field) or combined 8760s, which is the default and combines all fields into a single CSV file. The last column of the 8760, "System net AC output power," contains the hourly energy output after all losses have been subtracted. If you sum this column, it should equal the listed energy production for the entire design.
Column definitions
| Column | Name | Unit | Description |
|---|---|---|---|
| A | Hour index | Integer (1-8760) | Represents the hour of the year. |
| B | Timestamp | yyyy-mm-dd hh:mm:ss | (From weatherfile): Timestamp indicating the date and time. Note that the years may be different, since a TMY file samples several different years to create a "typical meteorological year". |
| C | GHI (Global Horizontal Irradiance) | W/m² | (From weatherfile): The total amount of solar radiation that hits a horizontal surface on Earth. |
| D | DNI (Direct Normal Irradiance) | W/m² | (From weatherfile): The amount of radiation that hits the plane perpendicular to the sun. |
| E | DHI (Diffuse Horizontal Irradiance) | W/m² | (From weatherfile): Solar radiation received from the sky in all directions. |
| F | Wind speed | m/s | (From weatherfile): Wind speed. |
| G | Ambient temp | °C | (From weatherfile): Air temperature. |
| H | Albedo | 0-1 | (Either from weatherfile or custom-set): The fraction of light or radiation that is reflected by the ground. |
| I | POA front beam irradiance after shading and soiling | W/m² | Plane of array front beam irradiance after shading and soiling. |
| J | POA front diffuse irradiance after shading and soiling | W/m² | Plane of array front diffuse irradiance after shading and soiling. |
| K | POA front irradiance nominal | W/m² | Nominal plane of array front irradiance. |
| L | POA front irradiance after shading only | W/m² | Plane of array front irradiance after considering shading effects only. |
| M | POA front irradiance after shading and soiling | W/m² | Plane of array front irradiance after shading and soiling effects. |
| N | POA front total irradiance after reflection (IAM) | W/m² | Total front plane irradiance after considering reflection effects (IAM = Incidence Angle Modifier). |
| O | POA rear total irradiance after reflection (IAM) | W/m² | Total rear plane irradiance after reflection (IAM). |
| P | POA total irradiance after reflection (IAM) | W/m² | Total irradiance on both front and rear sides after reflection (IAM). |
| Q | Module efficiency | Fraction | Real-world efficiency of the solar modules. |
| R | Cell temperature (steady-state) | °C | Steady-state temperature of the solar cells. |
| S | DC power gross | kWh | Gross direct current (DC) power generated. |
| T | Irradiance incident on ground | kWh | The ammount of irradiance that makes it past the panels and strikes the ground. |
| U | Irradiance absorbed by ground | kWh | The amount of irradiance that makes it past the panels and is absorbed by the ground (related to albedo). |
| V | DC lifetime daily loss | kWh | DC power loss over the lifetime of the system on a daily basis. |
| W | Inverter clipping loss AC power limit | kWh | Power loss due to inverter clipping based on AC power limit. |
| X | Inverter power consumption loss | kWh | Power loss due to the inverter's internal consumption. |
| Y | Inverter nighttime loss | kWh | Power loss occurring during nighttime operations. |
| Z | Inverter total power loss | kWh | Total power loss within the inverter. |
| AA | AC wiring loss | kWh | Power loss due to AC wiring. |
| AB | Inverter gross AC output power | kWh | Total AC power output before any AC losses. |
| AC | Transmission loss | kWh | Power loss due to transmission. |
| AD | Transformer loss (total) | kWh | Total transformer power loss. |
| AE | System net AC output power | kWh | Net AC power output after all losses are accounted for. Summing this for the entire year should yield the same energy value as running our simulation. |