[RE-wrenches] PV+EV charging

2022-02-07 Thread Andrew Truitt
+ClipperCreek, 365 Pronto, ChargeNet...), and economic optimization. Is anyone out there installing co-located and integrated PV+EV charging right now? If so what equipment are you using and what challenges and benefits are you seeing? Feel free to contact me off-list. Regards, Andrew Truitt

Re: [RE-wrenches] Design Software?

2020-10-19 Thread Andrew Truitt
Hi Kelly! I'm a fan of Helioscope, particularly for commercial applications. For projects with multiple roof pitches and/or partial shading, Aurora works pretty well. Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado

Re: [RE-wrenches] Floatovoltaics

2020-06-19 Thread Andrew Truitt
option as well. Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 <https://www.linkedin.com/in/andrewtruitt/> [image: Logo] The content of this email is confidential

Re: [RE-wrenches] 250KW-500KW Off-grid Inverters?

2020-04-14 Thread Andrew Truitt
from utility-only into the commercial realm and offer competitive pricing, and have experience with various mid-size hybrid inverters. <https://us.sunpower.com/commercial-solar/products/solar-battery-storage> <https://us.sunpower.com/commercial-solar/products/solar-battery-stora

Re: [RE-wrenches] Solectria TL woes

2020-02-25 Thread Andrew Truitt
? Jerry, the inverters are loaded at a 1.18 ratio so minor clipping happens somewhat regularly. DC voltage never exceeds the 850V upper MPPT limit. Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician

[RE-wrenches] Solectria TL woes

2020-02-25 Thread Andrew Truitt
at the site (50TLs) are fine. It can happen under sunny or cloudy conditions. Solectria will RMA the inverters but before I go out and replace I'm curious if anyone has seen this behavior? Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID

Re: [RE-wrenches] Aftermarket monitoring

2019-12-09 Thread Andrew Truitt
or 3rd party ownership for the new ESS. Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image: Logo] The content of this email is confidential and intended

[RE-wrenches] Tripping breaker

2019-10-21 Thread Andrew Truitt
ter but might pick up a spare breaker to swap in if all connections check out. Any other suggestions? Anyone ever had nuisance tripping issues with Eaton Series C breakers? Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Color

[RE-wrenches] ISO low efficiency modules

2019-10-11 Thread Andrew Truitt
Wrenches - We're looking for 100-300 kW of low efficiency, low cost modules. Got a few hundred old 250s taking up space in your warehouse? I'm your guy! So long at the warranty is intact and they are ITC eligible, we are interested. Please contact me off-list. Regards, Andrew Truitt

[RE-wrenches] 30-50kW 120/208V solar+storage recommendations?

2019-10-02 Thread Andrew Truitt
Anyone have any recommendations for Rule 21 compliant 30-50kW 120/208V solar+storage options, preferably with backup capability (i.e. not Storedge). Seems like many of the traditional residential players have options these days, but curious how they perform in the real world. Regards, Andrew

Re: [RE-wrenches] Residential tracker that has horizontal axis in east-west orientation?

2019-08-27 Thread Andrew Truitt
Another potential option: http://www.sulasindustries.com/ Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image: Logo] The content of this email is confidential

Re: [RE-wrenches] Bi-facial modules

2019-08-13 Thread Andrew Truitt
boost production, and Chris might be able to point you towards some resources to help estimate that. Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image: Logo] The c

[RE-wrenches] IEC 62446-2018

2019-07-16 Thread Andrew Truitt
Wrenches - Does anyone know of a way one might get their hands on a copy of the latest IEC 62446 standard without dropping $300+? Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License

Re: [RE-wrenches] Consolidating meters

2019-07-08 Thread Andrew Truitt
/kW in the summer, which is a major driver for consolidation as the aggregated demand can be addressed with storage more cost-effectively. We've engaged a local EE that has consolidated meters in PSG territory and is sending over a feasibility study proposal today. Regards, Andrew Truitt

Re: [RE-wrenches] Consolidating meters

2019-07-05 Thread Andrew Truitt
be to re-route the 15 meter circuits to a pad-mounted panelboard / main meter on the secondary side of the transformer, right? Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image

[RE-wrenches] Consolidating meters

2019-07-04 Thread Andrew Truitt
or multiple transformers yet, but if it is just one then the process should be straightforward from a technical standpoint. The interwebs tell me that some providers (seems like mostly co-ops) are open to this, but I can't find anything for this particular utility. Regards, Andrew Truitt

[RE-wrenches] Small canopy options

2019-06-27 Thread Andrew Truitt
Does anyone have experience with / recommendations for small (~25-35kW) solar canopy structures? Its a bit of a "tweener" size... Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrici

Re: [RE-wrenches] Residential tracker options

2019-06-14 Thread Andrew Truitt
Sulas is pretty new, but I've heard good things. The concept is similar to Zomeworks, but they use paraffin wax instead of whatever fluid Zomeworks uses (freon?) with the intention of avoiding reliability issues while maintaining the simplicity and positive

Re: [RE-wrenches] Retrofit BMS

2019-05-07 Thread Andrew Truitt
at inverter start-up. Sounds like that has not been an issue for you with this system? Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image: Logo] The content of this email

[RE-wrenches] Retrofit BMS

2019-05-04 Thread Andrew Truitt
<https://www.orionbms.com/>is theoretically compatible with PV, but I'd love to compare with something a little more proven. *Regards, * *Andrew Truitt* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 60

Re: [RE-wrenches] SMA Kiosk

2019-02-13 Thread Andrew Truitt
Locus (now part of Also) has a pretty nice kiosk view <http://kiosk.datareadings.com/P63FsYjN/project-info/1/photos/1?slideshow=true>, though you'd need to install a Locus meter. Regards, Andrew Truitt www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID:

Re: [RE-wrenches] Lithium battery cost

2018-12-21 Thread Andrew Truitt
, commissioning and 10 years of O Powin Energy has VERY competitive pricing starting in the 500kWh range, and will have smaller packs coming out next year. *Regards, * *Andrew Truitt* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman

Re: [RE-wrenches] Portable Power Centers

2018-12-09 Thread Andrew Truitt
<http://www.thestellagroupltd.com/> has built some very robust mobile solutions for the US military. A few other options: http://www.mobilesolarpower.net/ https://www.amerescosolar.com/solar-power-mobile-solutions https://www.bigdogsolar.com/custom-mobile-solar-trailers/ *Regards, * *Andrew Truitt* www.d

[RE-wrenches] SMA CORE1 62.5kW availability

2018-12-04 Thread Andrew Truitt
Does anyone know of an east coast distributor with the new CORE1 62-US inverters in stock? Our distributor is experiencing delays. *Regards, * *Andrew Truitt* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License

Re: [RE-wrenches] Microfractures

2018-11-18 Thread Andrew Truitt
don't show up for years (save for what can be seen with EL testing). *Regards, * *Andrew Truitt* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image: Logo] The content of this email

[RE-wrenches] Microfractures

2018-11-16 Thread Andrew Truitt
with this type of situation before? *Regards, * *Andrew Truitt* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 [image: Logo] The content of this email is confidential and intended for the recipient

Re: [RE-wrenches] Any thoughts on this approach to adding battery backup to an existing grid tie system will be appreciated.

2018-09-14 Thread Andrew Truitt
Anyone have any experience with the SMA Sunny Boy Storage for this application? Li+ compatible, HVDC bus, black-start capable... looks like no generator input though. I wonder how well it works when AC coupled with with non-SMA inverters. *Regards, * *Andrew Truitt* www.dr.ventures d

Re: [RE-wrenches] Trackers

2018-09-05 Thread Andrew Truitt
These guys are new but I've heard good things: http://www.sulasindustries.com/ *Regards, * *Andrew Truitt | DRV <http://dr.ventures/>* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 &quo

Re: [RE-wrenches] Cell Cracks

2018-08-15 Thread Andrew Truitt
and are rock stars. *Regards, * *Andrew Truitt | DRV <http://dr.ventures/>* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 On Tue, Aug 14, 2018 at 8:34 PM Ray wrote: > I haven't se

Re: [RE-wrenches] 208V single-phase inverter options

2018-07-17 Thread Andrew Truitt
single-phase back in the day) but as I recall so long as you have the right inverter everything else is the standard single-phase design and installation process. *Regards, * *Andrew Truitt | DRV <http://dr.ventures/>* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professio

[RE-wrenches] 208V single-phase inverter options

2018-07-16 Thread Andrew Truitt
, * *Andrew Truitt | DRV <http://dr.ventures/>* www.dr.ventures d: 202.486.7507 NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Journeyman Electrician License No.: 600132 "Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission. And

[RE-wrenches] Snow retention / removal for Lumos carports

2017-06-05 Thread Andrew Truitt
(that I've found) will work. After hearing about some carports that have toppled over under heavy snow loads we're considering just contracting with a snow removal service, but that would be costly. Any input would be much appreciated. Regards, *Andrew Truitt* Director of Emerging Technologies

Re: [RE-wrenches] Roof layout and proposal tools

2017-05-10 Thread Andrew Truitt
Carl - Check out the Software section of this article for a decent overview of options. I think Helioscope and Aurora have the best combination of features and usability. - Andrew

Re: [RE-wrenches] Aquion Batteries

2017-03-08 Thread Andrew Truitt
FYI, Aquion just went BK . - Andrew "Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission. And it just so happens that there's an enormous

Re: [RE-wrenches] Whole house energy moniters

2016-12-06 Thread Andrew Truitt
Whisker Labs just announced a product that monitors individual loads / sources through digital disaggregation (like Sense) but using a sensor that adheres to the main panel, eliminating the need to remove the deadfront to attached CTs. Pretty crazy.

[RE-wrenches] In search of an awesome PV shade structure

2016-10-12 Thread Andrew Truitt
Good afternoon wrenches! Does anyone know of a custom fabricator who might be able to manufacture a shade structure that meets the following criteria for a project in NJ? - fully protects anything underneath from the elements, preferably with some type of weatherproof membrane under the

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-08-05 Thread Andrew Truitt
energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile <https://www.linkedin.com/in/andrewtruitt> Company Website <http://truittreconsulting.weebly.com/> NABCEP Certified PV Installation Professional ID: 032407-66 Colorado Jour

Re: [RE-wrenches] Successor to SunEye 210?

2016-03-07 Thread Andrew Truitt
since the analysis is based on an integral over the whole roof surface as opposed to a few point measurements. Of course the "garbage in, garbage out" principle is very applicable. For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 48

Re: [RE-wrenches] Drawing Programs

2016-01-11 Thread Andrew Truitt
Aaron - There are a number of cool PV-specific tools that have GIS-aided rendering functionality along with features like shade analysis, production estimation, and automated line diagram and BoM generation. My 2 favorites are Helioscope and Aurora. For a brighter energy future, Andrew

Re: [RE-wrenches] Solar edge

2015-11-06 Thread Andrew Truitt
They might be referring to the alleged upcoming release of a SolarEdge / Tesla Powerwall integration that is currently in the works. I think it's supposed to leverage the similar SE output and Powerwall input voltages. - Andrew Truitt Please excuse brevity and typos, this message

[RE-wrenches] Conduit across walkways

2015-07-22 Thread Andrew Truitt
, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile https://tracking.cirrusinsight.com/079df0b1-ab1c-4515-b1e0-d7a6f92238bd/linkedin-com-in-andrewtruitt Company Website https://tracking.cirrusinsight.com/079df0b1-ab1c-4515-b1e0-d7a6f92238bd

Re: [RE-wrenches] Warranty replacements

2014-10-16 Thread Andrew Truitt
back to the PowerLight days and has built a very competent service / OM team. They have a pretty broad footprint but they aren't everywhere yet, though I know he is interested in expanding into new markets if the demand is there. For a brighter energy future, Andrew Truitt Principal Truitt

[RE-wrenches] NEC Plus

2014-03-07 Thread Andrew Truitt
going to update it to 2014 but unfortunately changed their mind on that as well... For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http

[RE-wrenches] EGC ground impedance

2014-01-14 Thread Andrew Truitt
'+) with many connections, though nothing appears to be loose. I intend to recommend that continuous conductors be installed to reduce array ground impedance, but any input on the issue would be very much appreciated. For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy

[RE-wrenches] Sunlight Resistant THWN-2

2013-11-25 Thread Andrew Truitt
Is this legit? For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http://truittreconsulting.weebly.com/ NABCEP Certified PV Installation Professional ID

[RE-wrenches] Off-grid in Tanzania

2013-11-06 Thread Andrew Truitt
in advance! For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http://truittreconsulting.weebly.com/ NABCEP Certified PV Installation Professional ID

Re: [RE-wrenches] Who has the best overall solar racking solution?

2013-09-17 Thread Andrew Truitt
Zep Solar has a nice product for sloped roofs, particularly asphalt shingle. They have 15 or so module manufacturers making panels that are Zep compatible. The layout takes a little more time and shingles do occasionally need to be cut, but the lack of rail makes for a very smooth and very

Re: [RE-wrenches] double insulated wire

2013-06-28 Thread Andrew Truitt
I have also seen the color convention that Ray enumerated becoming the standard. The one variation (which I like) is to use the following for the positively grounded legs of a bi-polar system: Black = negative; GREY = positive This can help prevent confusion between the two different grounded

[RE-wrenches] Thermal imaging

2013-06-11 Thread Andrew Truitt
range, thermal sensitivity, and screen resolution is needed for both/either of these tasks? What have been the key factors/specifications in terms of ergonomics and functionality? Any preferences in terms of manufacturer? For a brighter energy future, Andrew Truitt NABCEP Certified PV

[RE-wrenches] Staying current on Codes and Standards

2013-05-03 Thread Andrew Truitt
their operation? For a brighter energy future, Andrew Truitt NABCEP Certified PV Installation Professional™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http

Re: [RE-wrenches] seimens QP 20 A 240 V breaker backfeed

2013-04-23 Thread Andrew Truitt
evaluated only in the direction marked. Circuit breakers without “Line” and “Load” have been evaluated in both directions. * For a brighter energy future, Andrew Truitt NABCEP Certified PV Installation Professional™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507

Re: [RE-wrenches] Enphase Wire Management

2013-04-13 Thread Andrew Truitt
Aaron - Zep makes a bracket for supporting Enphase connectors which is quite robust: http://www.zepsolar.com/images/files/components/pdf/Enphase-Connector-Bracket-RevD-Writing_CLI.pdf Of course it is intended for use with Zep compatible modules. - Andrew Sent from my iPhone On Apr 12,

Re: [RE-wrenches] Cable tray

2013-03-27 Thread Andrew Truitt
cable trays where conductors are shaded and [properly installed] conduit when exposed to direct UV? - Andrew Truitt Sent from my iPad On Mar 26, 2013, at 11:55 PM, Bill Brooks billbroo...@yahoo.com wrote: William, I have all the respect in the world for you, but I’m not referring to “basket

Re: [RE-wrenches] diesel vs. solar

2013-03-25 Thread Andrew Truitt
Erika - HOMER (http://www.homerenergy.com/) is a hybrid power system modeling tool for on- or off-grid applications. There is a 2 week free trial period and then it costs $100 for a 6 month software license. I haven't used it yet but have heard good things. - Andrew Truitt Sent from my

Re: [RE-wrenches] Simplified permit process

2013-02-07 Thread Andrew Truitt
, but they are generally well-supported and defensible documents that should bolster your argument. I've been working on this a little bit lately with Solar 3.0 so feel free to call me to discuss. For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt

Re: [RE-wrenches] Simplified permit process

2013-02-07 Thread Andrew Truitt
, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http://truittreconsulting.weebly.com/ %28202%29%20486-7507 Don't

Re: [RE-wrenches] AHJ's NABCEP cert.

2013-02-04 Thread Andrew Truitt
Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http://truittreconsulting.weebly.com/ %28202%29%20486-7507 Don't get me

Re: [RE-wrenches] Best racking systems (was Awkward Mid-clamps jigs for installing or removing modules?)

2013-01-25 Thread Andrew Truitt
in damage to the cells. Regarding microinverter installations - Zep Solar continues to design innovative products for the installation of module device electronics that will simplify the integration and mounting of these devices in Zep arrays For a brighter energy future, Andrew Truitt NABCEP

Re: [RE-wrenches] Best racking systems (was Awkward Mid-clamps jigs for installing or removing modules?)

2013-01-19 Thread Andrew Truitt
be found at zepulator.com For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting, LLC (202) 486-7507 LinkedIn Profile http://www.linkedin.com/pub/andrew-truitt/8/622/713 Company Website http

Re: [RE-wrenches] Best racking systems (was Awkward Mid-clamps jigs for installing or removing modules?)

2013-01-18 Thread Andrew Truitt
such nonsense. At least 14 module manufacturers now make Zep-compatible modules and installers are starting to line up to become dealers of the product. I've installed a number of rail-less systems, but this one is the best I've seen. For a brighter energy future, Andrew Truitt NABCEP Certified PV

Re: [RE-wrenches] 3 Phase With 2 Inverters?

2012-11-27 Thread Andrew Truitt
. For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission

Re: [RE-wrenches] Best practices for conduit penetration on roof

2012-11-26 Thread Andrew Truitt
). I know you know this Jason, just wanted to clarify. For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I

Re: [RE-wrenches] SunSlates from Atlantis Energy

2012-10-02 Thread Andrew Truitt
performance, especially in adverse climates. For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I love nuclear

Re: [RE-wrenches] Up for a 1-Line Riddle?

2012-08-30 Thread Andrew Truitt
Ahh yes, the old combine strings before landing on a fused DC input terminal trick. Sure to blow the fuse the first sunny day. This is why SMA created their fuse-bypass DC input terminal. I take it the installer was not aware of this... For a brighter energy future, Andrew Truitt NABCEP

[RE-wrenches] Xcel residential production meter socket requirements

2012-07-17 Thread Andrew Truitt
Standard, but my research assistant (aka google) has been unable to produce that document for me. Any thoughts? For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http

Re: [RE-wrenches] L feet no flashing in shingle roof

2012-07-02 Thread Andrew Truitt
For many years I installed L-feet with galvanized step flashings adhered under the shingle row above the penetration. This provides a mechanical barrier and can be very durable if the flashing is well secured. - Andrew Sent from my iPhone On Jun 28, 2012, at 5:39 PM, Drake

Re: [RE-wrenches] NABCEP

2012-05-31 Thread Andrew Truitt
who cares deeply about installation quality and safety, this tells me that NABCEP does provide value and fills a needed roll in our industry. For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486

Re: [RE-wrenches] 120% Rule - applying to multiple load centers etc

2012-05-07 Thread Andrew Truitt
). For a brighter energy future, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission

Re: [RE-wrenches] Starting fires for fun with string wiring

2012-03-12 Thread Andrew Truitt
For a brighter energy future, Andrew Truitt MSc., LEED GA NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I love nuclear energy! It's just that I prefer fusion

Re: [RE-wrenches] 30 to 35 kW inverters

2012-02-22 Thread Andrew Truitt
If you're talking direct-grid the Sunny Tower would be my choice: http://www.sma-america.com/en_US/products/grid-tied-inverters/sunny-tower-us.html For a brighter energy future, Andrew Truitt MSc., LEED GA NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy

Re: [RE-wrenches] SolarEdge v Enphase

2012-01-12 Thread Andrew Truitt
SolarEdge have that issue? If not, how have you overcome it? Can you share a link to a live SolarEdge system monitoring interface? Andrew Truitt Truitt Renewable Energy Consulting On Thu, Jun 9, 2011 at 12:40 PM, Mark Frye ma...@berkeleysolar.com wrote: ** Indeed. Yes it is 1v per module

Re: [RE-wrenches] Speaking of outdoor DC lighting...

2011-12-21 Thread Andrew Truitt
? What functionality does it provide? Andrew Truitt Truitt RE Consulting On Tue, Dec 20, 2011 at 11:34 AM, Isaac Opalinsky iopalin...@gmail.comwrote: Andrew, I used to work with Frank Patterson from The Lightup Company: http://thelightupco.com/. He has a bunch of standard fixtures, but can

[RE-wrenches] Speaking of outdoor DC lighting...

2011-12-19 Thread Andrew Truitt
? The purpose will be for winter evening b.b.q's and late-night lawn bowling matches in summer. Any other advice for how to execute this installation? Does the SunLight come with fusing or do I need to protect it externally? Happy holidays to all! Andrew Truitt Truitt RE Consulting

Re: [RE-wrenches] Home Depot solar?

2011-09-29 Thread Andrew Truitt
HD hires local contractors to install their systems. I've worked for a couple of quality-oriented companies that have explored this relationship but both determined that the margins were just too thin. Andrew Truitt MSc, LEED GA Truitt Renewable Energy Consulting 202 486-7507 http

Re: [RE-wrenches] Ladders for Inspectors

2011-09-01 Thread Andrew Truitt
you money to supply it, and then not using it, that would pickle my giblets a little bit too. For a brighter energy future, Andrew Truitt MSc., LEED GA NABCEP Certified PV Installer™ (ID# 032407-66) Principal Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub

[RE-wrenches] Conductor supporting requirements

2011-04-07 Thread Andrew Truitt
Does anyone know the maximum support spacing for conductors in free air and what code section addresses it? I'm thinking of USE-2 or PV Wire being run in loop hangars along purlins under an array. Thanks in advance! For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy

Re: [RE-wrenches] galvanized barn roofing

2011-04-07 Thread Andrew Truitt
Here's the VersaBracket option from S-5!: http://www.s-5.com/clamps/index_71.cfm For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting NABCEP Certified PV Installer™ (ID# 032407-66) (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 [image

Re: [RE-wrenches] sizing a sub-panel used to combinemultipleinverter outputs

2011-03-30 Thread Andrew Truitt
. For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting NABCEP Certified PV Installer™ (ID# 032407-66) (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 [image: 24 copy.jpg] Don't get me wrong: I love nuclear energy! It's just that I prefer

Re: [RE-wrenches] NABCEP Stamp

2011-03-30 Thread Andrew Truitt
Troy - I have not encountered this before but would you mind sharing what city agency you are refering to? NABCEP is always interested in hearing about these types of unconventional uses of the certification. For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy

Re: [RE-wrenches] Seam clamps with or w/o rails

2011-02-18 Thread Andrew Truitt
, Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 [image: 24 copy.jpg] Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission. And it just so happens

Re: [RE-wrenches] Matching modules into Xantrex GT

2011-01-15 Thread Andrew Truitt
to your voltage mismatch, and I suspect it will be somewhere is the neighborhood of 2.5% 1 - (382 / 403) = .05 .05 / 2 = .025 Make sense? (I'm a little hung over so forgive me if it doesn't) Andrew Truitt Truitt Renewable Energy Consulting 202 486-7507 http://www.linkedin.com/pub/andrew-truitt/8

Re: [RE-wrenches] Internet-based monitoring

2010-11-27 Thread Andrew Truitt
- reasonable price point - good customer service Ask for Adrian and tell him Drew sent you... and he'll probably charge you double. Andrew Truitt Truitt Renewable Energy Consulting 202 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Please excuse brevity and typos - this message was typed

Re: [RE-wrenches] Charge Control in AC coupled system

2010-10-29 Thread Andrew Truitt
Drake - fyi: you will void the warranty on the Enphase inverters. Andrew Truitt Truitt Renewable Energy Consulting 202 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Please excuse brevity and typos - this message was typed on tiny keys. On Oct 29, 2010 7:42 AM, Drake drake.chamber

Re: [RE-wrenches] Enphase warranties

2010-10-29 Thread Andrew Truitt
When I asked Enphase about AC coupling with their product a year ago the answer was a flat NO, so at least it appears they're moving in the right direction... Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com

Re: [RE-wrenches] The perfect solar ready roof

2010-10-21 Thread Andrew Truitt
that torque-wrench when installing. Good luck! Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I love nuclear energy! It's just that I prefer fusion to fission

[RE-wrenches] Target fire

2010-10-18 Thread Andrew Truitt
Does anyone know who installed the infamous Bakersfield Target job? Andrew Truitt NABCEP Certified PV Installer™ (ID# 032407-66) Truitt Renewable Energy Consulting (202) 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713 Don't get me wrong: I love nuclear energy! It's just that I

Re: [RE-wrenches] Target fire

2010-10-18 Thread Andrew Truitt
Miller will...@millersolar.com wrote: Andrew: It may be in the report: http://mpandc.com/practices/Safety/safety_data.html William At 11:30 AM 10/18/2010, you wrote: Does anyone know who installed the infamous Bakersfield Target job? Andrew Truitt NABCEP Certified PV Installer

Re: [RE-wrenches] Split Panel Interconnection

2010-09-28 Thread Andrew Truitt
advocated for replacement. - Andrew Truitt On Tue, Sep 28, 2010 at 3:27 PM, Eric Thomas solarepiph...@gmail.comwrote: Hello, We are bidding an 8kW grid tied PV system that will interconnect with a split panel. The panel has a main lug on the top portion and branch circuits on the lower portion

Re: [RE-wrenches] The Demise of WEEB

2010-09-16 Thread Andrew Truitt
Wiley Electronics LLC 845.247.6163 www.we-llc.com On 9/14/2010 1:31 AM, Andrew Truitt wrote: 2 points: 1) For the sake of clarity: there are WEEB LUGS http://www.we-llc.com/Datasheets/204-0404-03.pdf and WEEB CLIPS http://www.we-llc.com/Datasheets/204-0404-07.pdf. WEEB

Re: [RE-wrenches] Accessable?

2010-09-15 Thread Andrew Truitt
Benn - I like installing j-boxes under the array as a general rule both for aesthetics and to keep them somewhat sheltered from the elements. I do not see any code issues with the location because, as you mention, they are still accessible. From NEC2008 Article 100: *Accessible (as applied to

Re: [RE-wrenches] The Demise of WEEB

2010-09-14 Thread Andrew Truitt
as a properly installed outdoor rated lug for the service tech who has to work on that array. A tin-plated copper lug with a stainless steel set screw will last. A service tech working on a faulted array that was grounded with WEEB Clips might not. Andrew Truitt Free agent Golden, CO

Re: [RE-wrenches] The Demise of WEEB

2010-09-13 Thread Andrew Truitt
set screw will last. A service tech working on a faulted array that was grounded with WEEB Clips might not. Andrew Truitt Free agent Golden, CO. On Mon, Sep 13, 2010 at 10:04 PM, benn kilburn b...@daystarsolar.ca wrote: Hopefully any crew installing PV, and familiar with this debate (which

Re: [RE-wrenches] Testing LSAs

2010-08-31 Thread Andrew Truitt
Question: Since the Delta lightning arrestors are not UL Listed, do they threaten the UL compliance of the PV system as a whole? - Andrew Truitt Currently of Standard Solar Free agent in the Denver area as of 10/6/10 On Tue, Aug 24, 2010 at 6:02 PM, Peter Parrish peter.parr

[RE-wrenches] Green-Fasten

2010-07-29 Thread Andrew Truitt
/product_200399117_200399117uber-stud-finder? What has been your experience in locating the centers and edges of rafters through multiple layers of composition shingle? Thanks in advance, Andrew Truitt Standard Solar Inc. -- Don't get me wrong: I love nuclear energy! It's just that I prefer fusion

[RE-wrenches] Unshaded micro-inverter performance

2010-06-07 Thread Andrew Truitt
evidence, but I'd like to see something beyond a single performance ratio. It would be great to see something that incorporates multiple module types and their tolerances for voltage and current. Could make a good SolarPro article... Andrew Truitt Standard Solar Inc. -- Don't get me wrong: I

Re: [RE-wrenches] Unshaded micro-inverter performance

2010-06-07 Thread Andrew Truitt
daryl_so...@yahoo.comwrote: Hi I have such a set up but the monitoring would be the problem. I think I would want a thing like a TED that works. Darryl --- On *Mon, 6/7/10, Andrew Truitt atru...@gmail.com* wrote: From: Andrew Truitt atru...@gmail.com Subject: [RE-wrenches] Unshaded micro

Re: [RE-wrenches] Exterior conduit in corrosive environments

2010-05-19 Thread Andrew Truitt
degradation of the glue and thermal cycling of the material. What do you [all] think? Andrew Truitt Standard Solar Inc. p.s. - I sent something out on Expansion Fittings yesterday but it never showed up in my inbox, though I did get one response to it that was addressed just to me. Did anyone else get

Re: [RE-wrenches] Service Magic update request

2010-04-22 Thread Andrew Truitt
We never used Service Magic for lead generation but I did find our structural PE there and it has worked out great. Andrew Truitt Standard Solar Inc. On 4/20/10, solar...@aol.com solar...@aol.com wrote: Allan: Things may have changed since we used them (or rather, vice versa

Re: [RE-wrenches] AC Coupled Issues

2010-04-17 Thread Andrew Truitt
be re-programmed to send power out the AC input terminals. I guess I should investigate that... Enjoy this beautiful weekend! Andrew Truitt Standard Solar Inc. On Sat, Apr 17, 2010 at 8:41 AM, Jeff Yago jry...@netscape.com wrote: As mentioned before, many of our clients want battery backup

Re: [RE-wrenches] Grid-tie Sunny Island

2010-04-15 Thread Andrew Truitt
available option these days. We are also looking at the SolarBOS disconnecting combiners - does anyone have any experience with them? Andrew Truitt Standard Solar Inc. On Wed, Apr 14, 2010 at 3:07 AM, Philip Boutelle philboute...@gmail.comwrote: Kirpal and Wrenches, Can you describe your

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