Solar PV
9180 watts of PV is being installed. It will be in the form of 6 trackers with 6 - 255 watt panels mounted. The trackers are East/West tracking but are custom made by myself. They will not accomplish the East/West movement by rotation but by "tipping" from side to side much like polar sat tracking. The main grid tie inverter is a Sunnyboy 8000US with a Schneider Electric XW6048 Inverter/Charger for backup and off-grid operation. 16 Trojan T105's with 4 additional Power Battery gel/AGM added in parallel for a total of 32 KWH capacity. System is currently in development but expected to be completed by Spring.
System certified on 6/18/2014
As of 7/30/2014, last day we had a net use of power from the grid was 6/12/2014.
This is the graph for my PPL electric bill July 2014. A cool and cloudy Summer so far. Went up to August 11 from June 12th without a net daily elect pull from the
grid. 8/12 was a dark cloudy rainy day. Only gened 5.01 KWH. Pulled 15KWH from the grid.... The 13th was back to "normal" production.
First three trackers active. Peak output so far, 4482W with a cloud edge. Best day was Sat at 36.5KWH. Now, three more to go...
Updated!!
All six trackers now active. Had a "cloud" pop that would have taken in 11 KW if the inverter could have handled it!! Best day at 50% production was 48KWH. Based on
that, I would expect my best day going forward to be reaching for 100KWH. Will not occur in Summer, too warm. Probably will happen in MArch aor April on a cold clear PSD. WIll post updated monthly
electric bill grapth soon.
New fronius Primo 11.4 PV string inverter. Installed with PV array upgrades from 9.18KW to 11.772KW. Active on 6/1/2019.
Trojan 48VDC battery bank.
First 3 tracking poles of 6.
String of 9 on ground for testing. Enabled all equipment setup and operational testing. System is currently active at about 10% to 15% of total expected capacity.
Wireless weather station for wind and other parameters. Station is Vantage Vue. Height is 28 feet above ground.
Old 15KW transformer.
New 50KW transformer. The new designs are almost 1/2 the size of the 50's made back in the 80's.
Two boom trucks coorporating. It was an interesting experiance. My two neighbors are on the same secondary as I am, making them heavy solar users. My guess is that they don't know this fact, making them GREEN energy people!!
Last Updated 02/19/2021
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What's New
01/12/2021 My new GEO heat pump is finally installed. I have been "tweeking" it until today, 01/16/2021. It works GREAT!! Unlike it predecessor's, it actually performs up to its submittal sheet. LOVE IT!!
I finally finished my electric overhead to underground conversion along with the transformer upgrade (15KW to 50KW).
May Monthly Production Record Gets blown away in June at 2517KWH !!
Monthly Production record stands at 2163KWH for May 2020.
Happy Earth Day !! New production record, again. 119.0 KWH 4/22/2020
Had some clouds, no snow field of course. If no clouds and a snow field this time of year, probably 125 KWH with the upgrades.
NEW production record!! 110.5 KWH on April 6th!!
Made changes to my PV tracking system. The main PV inverter was upgraded from an SMA SB-US-8000 to a Fronius Primo 11.4 (11,400 watts). Additionally, the PV arrays were upgraded with 20 SunPower 327 watt modules leaving 16 of the original Canadian Solar 255 watt modules, bringing the total output of the array from 9.18KW to 10.620KW. The combination of the inverter upgrade coupled with the array KW upgrade, should generate an additional 2 to 3 MWH a year. I hope this will compensate for the increased cloudiness being produced by Green House Gas Heating Climate change. It took a fair amount of work to do all this....
UPDATE: All 36 modules are being changed out which will result in an array output of 11,772 KW. On a very sunny year, 20 MWH should be within reach.
PV Yearly Production Numbers
2020 PV Production is 19.375 MWH which is a new record buster.!! The only month that did not gen more than last year was October. Our usage was up due to more driving and general increases, which the increase in production was able to satisfy. That production defers about $2000.00 worth of power from the grid.
2019 PV Production is 16.787 MWH.
2018 PV Production is 12.463 MWH.
2017 PV production is 14.293 MWH.
2016 PV production is 15.629 MWH.
2015 PV production is 14.543 MWH.
2014 PV production is 7.711 MWH, first year partial production. 9.374 MWH were produced through the entire startup test phase of the system before certification.
2019 production was a record breaker, do to the upgrade being active for 1/2 the year along with being decently sunny. Most likely, if the array upgrade had been active for the whole year, 17 or 18 MWH's would have easily been had.
2018 production was the worst production ever, not only for PV but for all solar. The rain and cloud cover was unpresidented! WE blew right through the 13 Megawatt range and landed in the low 12's. An increase in array capacity might be necessary to adapt to the GH GH'ing realities causing climate change, to resore a slight electrical surplus.
2017 production down 1.34 MWH from last year. All months produced less except for December which is the cloudiest month of the year.... Ironic...
Electric car miles for the fifth year are 15863 saving 690 gallons of gas at an avoided cost of $1932, bringing the five year total to $9172.00. Covid-19 reduced mileage, but a third car (Bolt) and a third driver beginning in August, over turned the shortfall.
Electric car miles for the forth year are 14037 saving 610 gallons of gas at an avoided cost of $2014.00 bringing the four year total to $7239.00. Gas went up and down over the period.
Electric car miles for the third year are 13,220 saving 575 gallons of gas at an avoided cost of $1955.00 bringing the three year total to $5225.00. Gas prices steadily climbed throughout the year. Total number of gallons not used stands at 1790.
Electric car miles for the second year are 14,830 saving 645 gallons of gas at an avoided cost of $1870.00 bringing the two year total to $3270.00. Not bad for only 2 years at fairly low gas prices...
Electric car miles for the first year ran about 13,000 miles of energy free driving. The gas saved which would have been burned by the car that the Leaf replaced equals about 570 gallons at an avoided gas cost of $1400.00.
Total mileage across the three years equals 41,050 miles. At a gross electric usage of 3 miles per KWH year round, this translates to 13.68 Megawatt hours of electricity, or 4.56 Megawatt hours per year. With the addition of the Ford C-Max plug-in Hybrid over the last year, the total transportation electric load is increased by about 2 megawatt hours more, bringing the household trans electric yearly load to about 6.6 megawatt hours.
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