Expanded answers to industry.pdf
PDF 64 KB Posted
- Attached to
- FY26 G3 Aviation Solar Generator Federal contract opportunity
- Solicitation number
- W9124B26QA004
About this file
This is a Questions and Answers document addressing offeror inquiries regarding generator and power load specifications for a remote solar power system.
The document clarifies that propane generators are the preferred backup solution due to their indefinite fuel shelf life, minimal maintenance requirements, clean-burning operation, and closed-system refueling process that mitigates risks of fuel degradation and environmental spills associated with gasoline or diesel alternatives. According to 2023 performance data, the backup generator recorded zero runtime hours, as the solar array and battery bank successfully managed 100 percent of the load throughout the year, including during overcast weather conditions. Generator activation is anticipated only during prolonged extreme weather events lasting three or more days with no solar availability. The system maintains a consistent baseline load of approximately 120 watts (1 ampere at 120 volts), excluding ancillary equipment such as heaters or fans that cycle periodically. Peak wattage occurs when the unit's internal heater or lens-clearing fan activates, though the specific peak wattage value is not provided in this excerpt.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| Solicitation Amendment - W9124B26QA0040001 Professional Appearance.pdf | ||
| Solicitation - W9124B26QA004 Professional Appearance.pdf |
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Text version
1. Can oƯerors supply a gas or diesel generator as a back up to the solar portion, instead of the propane generator?
While other generator types may be technically feasible, propane is the preferred solution for this application. It is highly reliable for remote sites due to its indefinite fuel shelf life and minimal maintenance requirements. Propane's clean-burning nature and closed-system refueling process also eliminate the risks of fuel system degradation and environmental spills, which are concerns with gasoline and diesel.
2. How often does the current propane generator have to turn on and run as a back up?
According to the system's performance report for 2023, the backup generator recorded zero hours of runtime. The solar array and battery bank were suƯicient to handle 100% of the load, even during periods of overcast weather. Generator use is exceedingly rare and would only be anticipated during prolonged periods (e.g., 3+ days) of extreme weather with no sun.
3. What is the running wattage of the load?
Our field observations show a consistent baseline load of approximately 120 Watts (1A at 120V). This does not include ancillary equipment like the heater or fan, which cycle on periodically.
4. What is the peak wattage of the load?
The peak wattage occurs when the unit's internal heater or lens-clearing fan activates.
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