- July 23, 2022
- Posted by: AliensFaith
- Category: OBJECTIVE PRESS
No Comments
I’ve been soliciting a number of proposals for a small residential solar setup (constrained by previous years consumption) and a battery (originally focused on it as a backup for outages but I’ve also learned that my utility only gives 1/2 credit for every unit exported so I’m more inclined to try to leverage beyond emergencies than I originally anticipated).
Here’s what I’ve received:
| Quote 1 | Quote 2 | Quote 3 | |
|---|---|---|---|
| Total Solar Cost | $12,600 | $15,759 | $15,810 |
| Solar kW | 4 | 3.65 | 3.4 |
| Cost per Watt | $3.15 | $4.32 | $4.65 |
| Panel Count | 10 | 9 | 8 |
| Per Panel Watts | 400 | 405 | 425 |
| Panel | Q.PEAK DUO L-G7.3 | REC405AA Pure | SPR-A425-G-AC A-Series |
| Panel Mfg | LG | REC | SunPower |
| Panel Warranty | 12/25 yrs | 25/25 yrs | 25/25 yrs |
| Inverter | 6.0 kW – 240V Single Phase Inverter | IQ7A-72-2-US (240V) | IQ7XS-96-y-ACM-z-240 |
| Inverter Mfg | SolardEdge | Enphase | SunPower |
| Inverter Type | Optimizers | Microinverter | Microinverter |
| Inverter Warranty | 25 yrs | 25 yrs | 25 yrs |
| Labor/Install Warranty | 5 yrs | ? | ? |
| Total Battery Cost | $15,250 | $17,321 | $15,850 |
| Battery | LG-Chem RESU16H | ENCHARGE-3-1P-NA x 3 | Powerwall+ |
| Battery Mfg | LG | Enphase | Tesla |
| Total Capacity | 16 kWh | 10.5 kWh | 13.5 kWh |
| Round Trip Efficiency | 90% | 89% | 97.5% |
| Backup Continuous Capacity | 7 kW | 1.28 kW x 3 | 5.8 kW |
| Backup Peak Capacity | 11 kW | 1.92 kW x 3 | 7.6 kW |
| Battery Warranty | 10 yrs (70% capacity) | 10 yrs/4k cycles (70%) | 10yrs/3200 cycles (70%) |
| Total System Cost | $27,850 | $33,080 | $31,660 |
I’m very much a novice on the subject. I’ve been doing some research on various components in each proposal and while each option seems to have its positive aspects, it seems like Quote 1 might be the best option due to the price difference?
Thoughts? Anything I might be missing/failing to consider?
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