Third quarter 2017 performance

Q3 2017 summary: 33% cooler, 9% more usage and 7% less sun as compared to Q3 2016.

This is part of our quarterly home performance reporting. All data is posted at netplusdesign.com

Nothing exciting to report, which is normal for 3rd quarters.

At 1pm on July 17th we became net positive for the year. As of the end of September, we have a surplus of 1,326 kWh heading into the final months of 2017. That’s about 574 less kWhs than last year at this time. Overall for the year, our solar production is down about 13%.

Overall, here’s how this quarter compared to 2016.
Chart showing usage, solar, net and hdd

2016 Usage Solar PV Net usage
or (surplus)
Avg.
daily usage
HDD
Total 957 2,857 (1,900) 10.4 191
Jul 300 955 (655) 9.7 32
Aug 330 934 (604) 10.6 27
Sep 328 968 (641) 10.9 133
2017 Usage Solar PV Net usage
or (surplus)
Avg.
daily usage
HDD
Total 1,045 2,657 (1,611) 11.4 254
Jul 322 848 (527) 10.4 39
Aug 377 944 (567) 12.2 73
Sep 347 864 (517) 11.6 143
All values in kWh (except HDD which is base 65°F).

Water usage was down 6%. Hot water usage up 30%. I think that’s attributable to the chillier mornings this summer.

You can see heat maps and detailed charts of temperature and electrical usage at netplusdesign.com. View hourly, daily and monthly values for solar, usage, net usage, circuit-level usage, temperatures and HDD.

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