[RE-wrenches] PV+EV charging

phase+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 T

Re: [RE-wrenches] Design Software?

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 Col

Re: [RE-wrenches] Floatovoltaics

e a good 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 confiden

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

nding 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-bat

Re: [RE-wrenches] Solectria TL woes

ers, right? 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 E

[RE-wrenches] Solectria TL woes

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 Profession

Re: [RE-wrenches] Aftermarket monitoring

t be interested in financing 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 an

[RE-wrenches] Tripping breaker

gging current meter 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

[RE-wrenches] ISO low efficiency modules

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, And

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

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?

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 and

Re: [RE-wrenches] Bi-facial modules

l it could 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

[RE-wrenches] IEC 62446-2018

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 No

Re: [RE-wrenches] Consolidating meters

up to $30/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&E territory and is sending over a feasibility study proposal today. Regard

Re: [RE-wrenches] Consolidating meters

would 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

[RE-wrenches] Consolidating meters

ved by a single 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. Rega

[RE-wrenches] Small canopy options

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 Electrician

Re: [RE-wrenches] Residential tracker options

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 econom

Re: [RE-wrenches] Retrofit BMS

es 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

[RE-wrenches] Retrofit BMS

BMS <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 Licen

Re: [RE-wrenches] SMA Kiosk

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

Re: [RE-wrenches] Lithium battery cost

tion, commissioning and 10 years of O&M. 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

Re: [RE-wrenches] Portable Power Centers

ella Group <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 Trui

[RE-wrenches] SMA CORE1 62.5kW availability

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

ects often 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 o

[RE-wrenches] Microfractures

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.

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

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

Re: [RE-wrenches] Cell Cracks

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

with 208V 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

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

gards, * *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

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

ions (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 E

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

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 "Don'

Re: [RE-wrenches] Aquion Batteries

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 f

Re: [RE-wrenches] Whole house energy moniters

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. Con

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

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 arr

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

For a brighter 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

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

er is cheap or unwilling to do the diligence required for proper system design. And if a company has entry level installers leading jobs I think they likely have bigger issues on their hands. For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting, LLC (202) 486

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

to me 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

Re: [RE-wrenches] Drawing Programs

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

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 messag

[RE-wrenches] Conduit across walkways

rgy future, 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-451

Re: [RE-wrenches] Warranty replacements

going back to the PowerLight days and has built a very competent service / O&M 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 P

[RE-wrenches] NEC Plus

ged their mind. They were also 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/8/62

[RE-wrenches] EGC ground impedance

ong (300'+) 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 Ren

[RE-wrenches] Sunlight Resistant THWN-2

s.htm 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 I

[RE-wrenches] Off-grid in Tanzania

Thanks 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 Inst

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

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 clean

Re: [RE-wrenches] double insulated wire

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 c

[RE-wrenches] Thermal imaging

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

s that effect 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&g

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

“Load” have been 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, L

Re: [RE-wrenches] Advanced PV Training Recommendations

etails?cid=402>. The PVOT course was developed by IREC with input from Brooks Engineering. 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 <htt

Re: [RE-wrenches] Enphase Wire Management

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, 2013,

Re: [RE-wrenches] Cable tray

characteristics and should last 30+ years so there are cases when we do need to take additional steps to maximize long-term safety. Which reminds me: is anyone aware of any work being done to develop standardized O&M protocols for commercial PV systems? - Andrew Truitt Sent from my iPhone On Ma

Re: [RE-wrenches] Cable tray

would be to use 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" wrote: > William, > > I have all the respect in the world for you, but I’

Re: [RE-wrenches] diesel vs. solar

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 fr

Re: [RE-wrenches] Simplified permit process

r 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://truittreconsulting.weebly.com/

Re: [RE-wrenches] Simplified permit process

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-

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

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>*

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

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?)

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

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

e 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 NAB

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

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 jus

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

). 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 ge

Re: [RE-wrenches] SunSlates from Atlantis Energy

ofing 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:

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

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 Tru

[RE-wrenches] Xcel residential production meter socket requirements

nergy 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

Re: [RE-wrenches] Enphase failures

One of the big issues I used to have installing Enphase was with establishing and maintaining (after power outages and various customer Internet issues) the data connection for all inverters. Are they still using data-over-powerline communications? Are these types of connection issues still out

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

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 wrote: > I'm qu

Re: [RE-wrenches] NABCEP

spection than those built by non-NABCEP installers. As someone 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)

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

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

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

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

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

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 E

Re: [RE-wrenches] SolarEdge v Enphase

does 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 wrote: > ** > Indeed. > > Yes it is 1v per module w

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

mote Meter? What functionality does it provide? Andrew Truitt Truitt RE Consulting On Tue, Dec 20, 2011 at 11:34 AM, Isaac Opalinsky wrote: > Andrew, > > I used to work with Frank Patterson from The Lightup Company: > http://thelightupco.com/. He has a bunch of standard fixtures,

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

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 Consu

Re: [RE-wrenches] Home Depot solar?

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

Re: [RE-wrenches] Ladders for Inspectors

a > ladder any different? > > That being said, if they are requiring it and costing 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 Certi

Re: [RE-wrenches] galvanized barn roofing

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 [

[RE-wrenches] Conductor supporting requirements

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 E

Re: [RE-wrenches] NABCEP Stamp

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 Renewa

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

conductor. 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&

Re: [RE-wrenches] Top of POST mount

Cobulate is my new favorite word. I just hope Sarah Palin doesn't get a hold of it and begin to... cobulate... a viable candidacy. For a brighter energy future, Andrew Truitt Principal Truitt Renewable Energy Consulting NABCEP Certified PV Installer™ (ID# 032407-66) (202) 486-7507

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

rgy future, 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. An

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

Allan - Good point. With that in mind I would revise my loss estimate upwards. I would be very curious to hear from anyone with actual experience with this type of situation. Andrew Truitt Truitt Renewable Energy Consulting 202 486-7507 http://www.linkedin.com/pub/andrew-truitt/8/622/713

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

ue 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/

Re: [RE-wrenches] Internet-based monitoring

- 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

Re: [RE-wrenches] Enphase warranties

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.linkedi

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

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&qu

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

g out 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 pref

Re: [RE-wrenches] Target fire

ou see, when > you cover it up, it's just gonna keep happening. At least until somebody > calls you on it. > > $0.02001 > > Solar Janitor > > -- > *From:* re-wrenches-boun...@lists.re-wrenches.org [mailto: > re-wrenches-boun...@l

Re: [RE-wrenches] Target fire

/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™ (ID# 032407-66) > Truitt Renewable Energy Consulting &

[RE-wrenches] Target fire

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

Re: [RE-wrenches] Split Panel Interconnection

them have advocated for replacement. - Andrew Truitt On Tue, Sep 28, 2010 at 3:27 PM, Eric Thomas wrote: > 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 > circuit

Re: [RE-wrenches] The Demise of WEEB

ssume that there will not be a > ground when you remove any module. > > Best Regards, > Brian Wiley > Wiley Electronics LLC > 845.247.6163 > www.we-llc.com > > > > On 9/14/2010 1:31 AM, Andrew Truitt wrote: > >> >> >> 2 points: >> >>

Re: [RE-wrenches] Accessable?

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

operly > torqued. What I don't understand is the argument that this is as safe of a > product 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 > servi

Re: [RE-wrenches] The Demise of WEEB

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. On Mon, Sep 13, 2010 at 10:04 PM, benn kilburn wrote: > Hopefully any crew installing PV, and familiar with th

Re: [RE-wrenches] Testing LSAs

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.p

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