| TITLE | BULB | LED | PARAMETER |
|---|---|---|---|
| Power | W | ||
| Count | pieces | ||
| Operation | hours a day | ||
| Annual consumption | kWh | ||
| Annual consumption | eur | ||
| Annual savings | kWh | ||
| Annual savings | eur | ||
| Return on investment | years | ||
| Lifespan hours | years | ||
| Lifetime savings | kWh | ||
| Lifetime savings | eur | ||
| Net profit over life | eur | ||
| Annual return on investment | % | ||
| Price of the work | eur | ||
| Purchase price difference | eur | ||
| Number of days | in years | ||
| Rate | eur | ||
| Lifespan | hours | ||