Yes, I've been a bad slacker. The kiddos are crawling now which means they are all over the place. There's essentially really no such thing as free time anymore. If you were in the Southeast this year, you'll know that its been pretty dang odd outside. In April there were times where I needed heat for a couple of days...then I needed A/C for a couple days, and for the rest, I didn't need anything. At least recently (May) I haven't needed any heat. I'm trying like hell not to run the A/C and instead opening the windows. But the humidity keeps creeping up which means eventually I have to give in. At a minimum, I'm only running the upstairs system. The downstairs is staying nice and cool.
Anyhow...without further ado...below are the numbers for February, March and April.
February 2013 (Feb 4 - Mar 4)
Energy Consumption: 901 kWh
Number of Billing days: 28
Average daily Consumption: 32.18 kWh/day
Degree Days: 620
Average Daily Usage/Degree Day: 1.45 kwh/DD
Billing Amount: $91.68
February 2014 (Feb 1 - Mar 1)
Energy Consumption: 919 kWh (estimated)
Solar Generated to Grid: 135 kWh (estimated from TED5000)
Net Energy Consumption: 784 kWh
Number of Billing days: 28
Average daily Consumption: 28.00 kWh/day (13% reduction)
Degree Days: 543
Average Daily Usage/Degree Day: 1.44 kwh/DD
Billing Amount: $87.91 ($11.75 monthly savings)
****
March 2013 (March 4 - April 2)
Energy Consumption: 737 kWh
Number of Billing days: 29
Average daily Consumption: 25.41 kWh/day
Degree Days: 444
Average Daily Usage/Degree Day: 1.60 kwh/DD
Billing Amount: $77.46
March 2014 (March 1 - April 1)
Energy Consumption: 1,112 kWh (estimated)
Solar Generated to Grid: 183 kWh (high estimate from TED5000)
Net Energy Consumption: 929 kWh
Number of Billing days: 31
Average daily Consumption: 29.97 kWh/day (17.9% increase in usage)
Degree Days: 456
Average Daily Usage/Degree Day: 1.60 kwh/DD
Billing Amount: $101.19 ($19.67 increase in cost) *Rate increase vs 2013
****
April 2013 (April 2 - May 3)
Energy Consumption: 359 kWh
Number of Billing days: 30
Average daily Consumption: 11.97 kWh/day
Degree Days: 161
Average Daily Usage/Degree Day: 1.49 kwh/DD
Billing Amount: $44.69
April 2014 (April 1 - May 1)
Energy Consumption: 493 kWh
Solar Generated to Grid: 109 kWh
Net Energy Consumption: 385 kWh
Number of Billing days: 30
Average daily Consumption: 12.83 kWh/day (7.24% increase in usage)
Degree Days: 183
Average Daily Usage/Degree Day: 1.97 kwh/DD
Billing Amount: $51.24 ($11.53 increase in cost) *Rate increase vs 2013
While February I was able to reduce costs, I got bit in the butt for March and April. What surprised me was how the HDDs were the same as last year. It sure didn't feel like it. In April, I'm in my lowest energy usage period (swing month). So you can clearly see the 'kid penalty' (those extra loads of laundry, extra dishes, bath-time, etc). But it's not like it's THAT bad. I will say that in March, we did get a new freezer for the garage. It's 3x the size of the old one, but only uses about 50% more energy than the previous. So this adds an additional 1 kWh/day to my bill roughly.
How are the solar panels doing? Well so far we're about 124 kWh lower than projected. One thing that is really annoying is that Tigo is broken again. I contacted Greenspring already, but I need to follow-up with them so they can come out. I'm betting its that dang connection coming loose in the attic again. That's a bad place to have wires spliced together because it has such an extra temperature range (110F --> Teens). Thus, copper wiring is going to expand/shrink a lot.
| PVWatts | SolarEye | Expected | Actual | ||
| Generation | DeRate | Generation | Generation | ||
| Month | kWh/mo | % | kWh/mo | kWh/mo | Notes |
| 1 | 223 | 52% | 116.0 | 135 | TED5000 estimate. Tigo broken |
| 2 | 221 | 72% | 159.1 | 135 | TED5000 estimate. Tigo broken |
| 3 | 282 | 77% | 217.1 | 183 | TED5000 estimate. Tigo broken |
| 4 | 299 | 83% | 248.2 | 209 | TED5000 estimate. Tigo broken |
| 5 | 293 | 83% | 243.2 | ||
| 6 | 277 | 82% | 227.1 | ||
| 7 | 273 | 82% | 223.9 | ||
| 8 | 278 | 82% | 228.0 | ||
| 9 | 254 | 82% | 208.3 | ||
| 10 | 270 | 75% | 202.5 | ||
| 11 | 220 | 66% | 145.2 | 96.21 | Energized Nov 7th. Fully Operational Nov 11th. |
| 12 | 205 | 47% | 96.4 | 99.37 | |
| Total | 3095 | 74.8% | 2315 | ||
| Expected | Actual | Diff | |||
| To Date: | 981.9 | 857.58 | 124.4 |
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