solar electric system proposal - colby...

Liberty, ME(207) 589-4171

Portland, ME(207) 221-6342

Exeter, NH(603) 679-1777

www.revisionenergy.com

Solar Electric System Proposal

Presented To:Whitney King84 West River RdWaterville, Maine 04901

Presented By:Rob [email protected] 29, 2014

Local Solar Professionals Since 2003

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Proposed Array Schematic Site Specifications

Array Orientation135° (true)

Array Pitch30° angle

Design NotesCollectors to be mounted ongarage roof in three rows of six.

Project Summary• 18 panel photovoltaic array with Renesola solar modules and SMA string inverter.• Produce roughly 4,495 kWhs of clean, renewable electricity annually.• Offset an estimated 4,127 lbs of carbon pollution each year.

Option 1: Own Your Power FinancingLock in a predictable monthly rate and protect against rising costs of energy.

• No money down, 1 year, 0% interest loan on portion of project covered by incentives.• 2.99% loan over 12 years for the remaining balance.• $108/month fixed payment with no pre-payment penalty.

Option 2: Buy it Now"Pre-pay" for 25+ years of energy for greatest financial savings.

$15,664 Project Price (includes cash discount)

-$4,699 30% Federal Tax Credit

$10,965 Your Net Investment

Pricing expires 30 days from: October 29, 2014

Rob Ellis | [email protected] | 207-589-4171 2

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Major System ComponentsBased on a professional evaluation of your available roofspace, site configuration, and energy demand,ReVision Energy proposes a roof-mounted photovoltaic array of 4.59 kilowatts (nominal).

The system features these major components:

• (1) SMA Sunny Boy 4000 US Transformerless grid-tied solar electric inverter (www.sma-america.com)

• (18) Renesola 255w PV Module (www.renesola.com) or equivalent• (1) Installation of Web Connection monitoring option for SMA Sunny Boy inverters; includes Web

Connect Card, wiring and initial set-up to internet

System OperationWhenever sun shines on the solar electric panels, they will generate direct current (DC) electricity. That DCelectricity is transmitted to an inverter, which then converts it into AC electricity which can be used in yourhome. Any electric loads (TV, dryer, electronics, etc.) operating while the sun is shining will use available solarelectricity. Any excess will flow out to the grid and you will receive a credit for the production.

Whenever the sun is not out, you will continue to purchase grid electricity as you do now. The local utilitycompany will record electricity you feed into the grid. If at the end of the month your generation is greaterthan your consumption, you will earn a credit on your next bill. Credits are carried forward month-to-month.

System Diagram


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Sample System

Above is a grid tied solar electric system installed by ReVision Energy. These black on blackmodules are similar to the modules we have proposed using at your home.

System Monitoring Via Internet Portal

Your system includes access to SMA's proprietarySunnyPortal web-based data-monitoring system. Itis a free service supported and maintained by theinverter manufacturer, SMA, with initial set-up byReVision Energy.

This web-based tool allows you to view solar arrayperformance in real-time from any location withaccess to the internet, as well as mobile devicesusing an iOS or Android app.

The view at left shows standard features - currentarray production, production over time, and offsetdisplayed in both financial terms (based on a priceper kWh) and environmental savings.

Monthly production reports and error notificationsmay also be sent to you and ReVision Energy viaemail. This allows us to monitor systemperformance and ensure proper operation.


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Emergency Power SupplyWith most grid-tied inverters, when the grid loses power, the solararray shuts down. The SMA TL (transformer-less) inverter allowsup to 1,500 watts of daytime energy to be isolated from the gridand fed directly to a dedicated 120-volt power outlet, which islocated at the inverter.

When utility power is not available, simply flip a switch to energizethe dedicated inverter outlet. In general, small devices such as cellphone and laptop chargers or portable radios may be powered,while large appliances like refrigerators, freezers and well pumpsmay not.

The power provided by the Secure Power Supply will vary with sunconditions, so connected loads may be shut off if sun exposure is limited. The Secure Power Supply gives youthe peace of mind and convenience of having independent power production as long as the PV system isoperating.


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"Own Your Power" Financing Program "Own Your Power" financing is provided through our partnerGreensky Credit. Greensky offers fast and easy loan approval onthe phone or online, and you can expect to receive a responsewithin 15 minutes letting you know the total amount offinancing you have qualified for. The financing is an unsecuredloan product that requires no home equity and no appraisal orclosing costs. Loan qualification is based primarily on statedincome and individual credit history.

The total amount to be financed in this proposal is: $18,193. This total is split into two distinct loans: a 0% interest, 18-month, no-payment loan in the amount of any federal and stateincentives, and a 12-year 2.99% fixed interest loan for the remaining balance. Use your project rebates and taxcredits to pay off the 0% loan within the first 18 months and you are left with just the low, easy, monthlypayments of the 12 year, 2.99% loan.

If you have not already, you will need to apply for financing. You can do so on Greensky's website: http://greenskycredit.com/consumer/index.php?service_provider_number=81007942&plan_number=3188&Submit=+Continue+

Or call 866-936-0602 and provide the dealer ID: 81007942 and plan 3188.

IncentivesThis system qualifies for the following incentives:

• The solar system is eligible for a 30% federal tax credit. This credit (not deduction) is subtracteddirectly from an existing tax liability. Please consult with your accountant or tax professional toensure that you will be eligible for the tax credit.

WarrantiesEach component is warrantied separately.

• SMA provides a 10 year product warranty• Renesola provides a standard 10 year limited warranty and 25 year power production warranty.• ReVision Energy provides a 5 year warranty on all labor and services the manufacturers’ warranty of

the various components.

Scope of WorkThe quoted price for this system includes the following:


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• Professional site review and assessment with shade analysis prior to installation • All materials necessary to mount and wire the solar electric system. This includes all

disconnects, fusing, conduit, wiring and metering complete through interconnection at your mainelectric panel to meet both the National, State and local electrical code requirements.

• All labor required for installation. ReVision Energy designs and installs solar energy systems using inhouse resources. Our systems come with 11 years of solar energy development experience, 60+ fulltime team members and over 3,500 systems in operation to date. Our team is comprised ofProfessional Engineers, Master Electricians, dedicated project managers and installation crewparticipating in our US Division of Labor Certified Apprentice Program. Each Member of our team isOSHA certified insuring that we’re in full safety compliance for a safe and professional installationfor your home or business.

• Assistance applying for a Net Energy Billing permit with your local utility.

The price does not include:

• Application fee for Net Energy Billing permit with your local utility (CMP or Emera)

Payment Terms• Own Your Power: 20% due upon agreement of contract (drawn from GreenSky account)• Buy it Now: 1/3 due upon agreement of contract• Balance due upon completed installation

Special Notes

• System production predictions are based on weather data specific to your location and adjustedbased on conditions at your site. Snow accumulation and shading of the array will effect systemproduction. We have done our best to factor these into performance estimates, howeverproduction will vary from year to year. Data estimates based on that of NREL PVWatts: http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/. However, such estimates are for informational purposes only. Due to the large number of variablesaffecting efficiency and performance that are beyond ReVision Energy’s control, ReVision Energymakes no warranty or guaranty that the equipment or system installed in accordance with thisproposal shall perform in accordance with such estimates.

• Estimates of federal tax credits and state rebates are provided to the best to our knowledge. We willassist with processing of state and local rebates, however, note that some rebate programs are first-come first-serve with limited funding and we cannot guarantee you will receive them. Also, thestate rebate may be taxed as income depending on your tax filing. ReVision Energy does not providetax advice; you may wish to consult with a professional tax advisor to review the implications ofstate and federal solar incentives based on your tax situation.


Why ChooseReVision Energy?We believe renewable energy systems must be as robust and dependable as traditional energy sources. This is why ReVision Energy has pioneered a full-service mechanical contracting approach to solar electric and solar hot water system integration. Our unmatched depth of project experience guarantees the desired outcome for every client: a highly reliable, performance-optimized solar energy system that will last for decades in northern New England’s challenging climate.

Designed by ExpertsWhether it is new construction or an existing property, every project has singular aspects that our team carefully assesses in the evaluation process. Your system is then designed by ReVision Energy’s experienced in-house team of engineers from Brown, Dartmouth, MIT, and UNH. Our goal at every step of the design phase is to maximize system performance and longevity while meeting the specific requirements unique to your project.

Installed by ProfessionalsBy using our own highly-trained team of professional solar technicians on every project, we streamline system installation and eliminate the confusion and difficulty of working with multiple subcontractors. In addition to NABCEP certification (the industry’s highest level of training and accreditation), our technicians carry state solar installer certifications. ReVision Energy also holds applicable Master licenses to ensure that every system is code-compliant and qualifies for government financial incentives.

Cost Competitive Solar EnergyOver the course of nearly 3,000 successful solar energy installations across three locations in Maine and New Hampshire, ReVision Energy has developed long-term volume purchasing relationships with manufacturers of high quality system components. This enables us to source the very best components at a significant discount and pass the savings on to you.

Backed by Our 24-hour Service GuaranteeReVision Energy backs every system with a promise to deliver exceptional customer service. Our technicians perform regularly scheduled preventative maintenance to ensure your system is operating at peak performance over the long haul. In addition, should you need assistance any time, day or night, our technicians are on-call for you.

LIBERTY207-589-4171

PORTLAND207-221-6342

EXETER, NH603-501-1822

r e v i s i o n e n e r g y . c o m

Virtus®II Module250W, 255W, 260W

ReneSola.com

Conforms with IEC 61215:2005,IEC 61730: 2004, UL 1703 PV Standards

High Module Conversion Efficiencies

Mechanical Load Capability of up to 113 psf (5400 Pa)

Safety Fire

Easy Installation and Handling for Various Applications

ISO9001, OHSAS18001, ISO14001 Certified

Application Class A, Safety Class II, Fire Rating C

Guarantee

linear poweroutput

material &workmanship

100%

95%

90%

85%

80%

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97,5%

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Per

form

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Fig

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in %

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APPROVED PRODUCT

Also Applicable For Module With Black Frame

193 W

6.74 A

28.6 V

7.27 A

35.2 V

189 W

6.63 A

28.5 V

7.20 A

35.1 V

JC260M-24/Bbh

Virtus®II Module250W, 255W, 260W

Cur

rent

(A)

Voltage (V)

Efficiency 15.8% 16.2% 16.2% 16.1% 16.0%

Dimensions I-V Curves

Irradiance 200W/m2 400W/m2 600W/m2 800W/m2 1000W/m2

JC255M-24/Bbh

JC255M-24/Bbh

255 W

0 ~ +5W

15.7%

8.39 A

30.4 V

8.86 A

37.5 V

JC250M-24/Bbh

JC250M-24/Bbh

250 W

0 ~ +5W

15.4%

8.31 A

30.1 V

8.83 A

37.4 V

185 W

6.57 A

28.2 V

7.12 A

35.0 V

Maximum Power (Pmax)

Power Tolerance

Module Efficiency

Maximum Power Current (lmp)

Maximum Power Voltage (Vmp)

Short Circuit Current (lsc)

Open Circuit Voltage (Voc)

Maximum Power (Pmax)

Maximum Power Current (lmp)

Maximum Power Voltage (Vmp)

Short Circuit Current (lsc)

Open Circuit Voltage (Voc)

6 inches Virtus® II (Polycrystalline), 60 (6x10) pcs in series

High Transmission, Low lron, Tempered Glass

Anodized Aluminum Alloy

IP65/IP67 Rated, With Bypass Diodes

See Drawing Above

0 5 10 15 20 25 30 35 400

2

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6

8

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200W/m2

400W/m2

600W/m2

800W/m2

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JC260M-24/Bbh

260 W

0 ~ +5W

16.0%

8.53 A

30.5 V

8.95 A

37.6 V

*64.6 x 39.1 x 1.6 inches

12 AWG, 39.4 inches

41.9 Ibs

Cell Type

Glass

Frame

Junction Box

Dimension

Output Cable

Weight

Installation Hole Location

Temperature Coefficient of Voc

Temperature Coefficient of Isc

Temperature Coefficient of Pmax

Nominal Operating Cell Temperature (NOCT)

Operating Temperature

Maximum System Voltage

Maximum Series Fuse Rating

Rev No: JC/TDS/2014.05 *Contact Renesola for tolerance specificationCAUTION: All rights reserved. Design and specification are subject to change without prior notice.

Container

Pallets per Container

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20’ GP

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JUNCTION BOX

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INSTALLING HOLEVENT HOLE

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16-0.31''X0.14”

2-Ø0.16”

Efficiency at Varied Irradiation8 - 0.25”X0.39”

-0.167%/oF (-0.30%/oC)

0.022%/oF (0.04%/oC)

-0.222%/oF (-0.40%/oC)

113 ± 3.6oF (45 ± 2oC)

-40oF ~ +185oF (-40oC ~ +85oC)

Values at Standard Test Conditions STC (AM1.5, Irradiance 1000W/m2, Cell Temperature 77oF)

Values at Normal Operating Cell Temperature, Irradiance of 800W/m2, AM1.5, Ambient Temperature 68oF, Wind Speed 1m/s.

SUnnY BoY 3000TL-US / 3800TL-US /4000TL-US / 5000TL-US / 6000TL-US / 7000TL-US / 7700TL-USSetting new heights in residential inverter performanceThe Sunny Boy 3000TL-US/3800TL-US/4000TL-US/5000TL-US/6000TL-US/7000TL-US/7700TL-US represents the next step in performance for UL certified inverters. Its transformerless design means high efficiency and reduced weight. Maximum power production is derived from wide input voltage and operating temperature ranges. Multiple MPP trackers and OptiTrac™ Global Peak mitigate the effect of shade and allow for installation at challenging sites. The unique Secure Power Supply feature provides daytime power in the event of a grid outage. High performance, flexible design and innovative features make the Sunny Boy TL-US series the first choice among solar professionals.

Certified• UL 1741 and 1699B compliant• Integrated AFCI meets the require-

ments of NEC 2011 690.11

Powerful• 97.6% maximum efficiency• Wide input voltage range• Shade management with OptiTrac

Global Peak MPP tracking

flexible• Two MPP trackers provide

numerous design options• Extended operating

temperature range

Innovative• Secure Power Supply provides

daytime power during grid outages

SUnnY BoY 3000TL-US / 3800TL-US /4000TL-US / 5000TL-US / 6000TL-US / 7000TL-US / 7700TL-US

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Technical dataSunny Boy 3000TL-US Sunny Boy 3800TL-US Sunny Boy 4000TL-US

208 v aC 240 v aC 208 v aC 240 v aC 208 v aC 240 v aCInput (DC)Max. usable DC power (@ cos ϕ = 1) 3200 W 4200 W 4200 WMax. DC voltage 600 V 600 V 600 VRated MPPT voltage range 175 – 480 V 175 – 480 V 175 – 480 VMPPT operating voltage range 125 – 500 V 125 – 500 V 125 – 500 VMin. DC voltage / start voltage 125 V / 150 V 125 V / 150 V 125 V / 150 VMax. operating input current / per MPP tracker 18 A / 15 A 24 A / 15 A 24 A / 15 ANumber of MPP trackers / strings per MPP tracker 2 / 2output (aC)AC nominal power 3000 W 3330 W 3840 W 4000 WMax. AC apparent power 3000 VA 3330 VA 3840 VA 4000 VANominal AC voltage / adjustable 208 V / ● 240 V / ● 208 V / ● 240 V / ● 208 V / ● 240 V / ●AC voltage range 183 – 229 V 211 – 264 V 183 – 229 V 211 – 264 V 183 – 229 V 211 – 264 VAC grid frequency; range 60 Hz / 59.3 – 60.5 Hz 60 Hz / 59.3 – 60.5 Hz 60 Hz / 59.3 – 60.5 HzMax. output current 15 A 16 A 20 APower factor (cos ϕ) 1 1 1Output phases / line connections 1 / 2 1 / 2 1 / 2Harmonics < 4% < 4% < 4%EfficiencyMax. efficiency 97.2% 97.6% 97.2% 97.5% 97.2% 97.5%CEC efficiency 96.5% 96.5% 96.5% 97.0% 96.5% 97.0%Protection devicesDC disconnection device ●DC reverse-polarity protection ●Ground fault monitoring / Grid monitoring ● / ●AC short circuit protection ●All-pole sensitive residual current monitoring unit ●Arc fault circuit interrupter (AFCI) compliant to UL 1699B ●Protection class / overvoltage category I / IVgeneral dataDimensions (W / H / D) in mm (in) 490 / 519 / 185 (19.3 / 20.5 / 7.3)DC Disconnect dimensions (W / H / D) in mm (in) 187 / 297 / 190 (7.4 / 11.7 / 7.5)Packing dimensions (W / H / D) in mm (in) 617 / 597 / 266 (24.3 / 23.5 / 10.5)DC Disconnect packing dimensions (W / H / D) in mm (in) 370 / 240 / 280 (14.6 / 9.4 / 11.0)Weight / DC Disconnect weight 24 kg (53 lb) / 3.5 kg (8 lb)Packing weight / DC Disconnect packing weight 27 kg (60 lb) / 3.5 kg (8 lb)Operating temperature range –40 °C ... +60 °C (–40 °F ... +140 °F)Noise emission (typical) ≤ 25 dB(A) < 25 dB(A) < 25 dB(A)Internal consumption at night < 1 W < 1 W < 1 WTopology Transformerless Transformerless TransformerlessCooling Convection Convection ConvectionElectronics protection rating NEMA 3R NEMA 3R NEMA 3Rfeatures Secure Power Supply ● ● ●Display: graphic ● ● ●Interfaces: RS485 / Speedwire/Webconnect ○/○ ○/○ ○/○Warranty: 10 / 15 / 20 years ●/○/○ ●/○/○ ●/○/○Certificates and permits (more available on request) UL 1741, UL 1998, UL 1699B, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1

NOTE: US inverters ship with gray lidsType designation SB 3000TL-US-22 SB 3800TL-US-22 SB 4000TL-US-22

Speedwire/Webconnect interface SWDM-US-10

RS485 interface DM-485CB-US-10

accessories

Fan kit for SB 3000/3800/4000/5000TL-US-22 FANKIT02-10

● Standard feature ○ Optional feature — Not availableData at nominal conditions

Sunny Boy 5000TL-US Sunny Boy 6000TL-US Sunny Boy 7000TL-US Sunny Boy 7700TL-US208 v aC 240 v aC 208 v aC 240 v aC 208 v aC 240 v aC 208 v aC 240 v aC

5300 W 6300 W 7300 W 8000 W600 V 600 V 600 V 600 V

175 – 480 V 210 – 480 V 245 – 480 V 270 – 480 V125 – 500 V 125 – 500 V 125 – 500 V 125 – 500 V

125 V / 150 V 125 V / 150 V 125 V / 150 V 125 V / 150 V30 A / 15 A 30 A / 15 A 30 A / 18 A 30 A / 18 A

2 / 2

4550 W 5000 W 5200 W 6000 W 6000 W 7000 W 6650 W 7680 W4550 VA 5000 VA 5200 VA 6000 VA 6000 VA 7000 VA 6650 VA 7680 VA

208 V / ● 240 V / ● 208 V / ● 240 V / ● 208 V / ● 240 V / ● 208 V / ● 240 V / ●183 – 229 V 211 – 264 V 183 – 229 V 211 – 264 V 183 – 229 V 211 – 264 V 183 – 229 V 211 – 264 V

60 Hz / 59.3 – 60.5 Hz 60 Hz / 59.3 – 60.5 Hz 60 Hz / 59.3 – 60.5 Hz 60 Hz / 59.3 – 60.5 Hz22 A 25 A 29.2 A 32 A

1 1 1 11 / 2 1 / 2 1 / 2 1 / 2< 4% < 4% < 4% < 4%

97.2% 97.6% 97.0% 97.4% 96.8% 96.8% 96.8% 97.3%96.5% 97.0% 96.5% 97.0% 96.5% 96.5% 96.5% 96.5%

●●

● / ●●●●

I / IV

490 / 519 / 185 (19.3 / 20.5 / 7.3)187 / 297 / 190 (7.4 / 11.7 / 7.5)

617 / 597 / 266 (24.3 / 23.5 / 10.5)370 / 240 / 280 (14.6 / 9.4 / 11.0)

24 kg (53 lb) / 3.5 kg (8 lb)27 kg (60 lb) / 3.5 kg (8 lb)

–40 °C ... +60 °C (–40 °F ... +140 °F)< 29 dB(A) < 29 dB(A) < 29 dB(A) < 29 dB(A)

< 1 W < 1 W < 1 W < 1 WTransformerless Transformerless Transformerless Transformerless

Convection Fan Fan FanNEMA 3R NEMA 3R NEMA 3R NEMA 3R

● ● ● ●● ● ● ●

○/○ ○/○ ○/○ ○/○●/○/○ ●/○/○ ●/○/○ ●/○/○

UL 1741, UL 1998, UL 1699B, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1

SB 5000TL-US-22 SB 6000TL-US-22 SB 7000TL-US-22 SB 7700TL-US-22

in all types of climates and for longer periods of time than with most traditional string inverters.

Secure Power Supply

One of many unique features of the TL-US residential series is its innovative Secure Power Supply. With most grid-tied inverters, when the grid goes down, so does the solar-powered home. SMA’s solution provides daytime energy to a dedicated power outlet during prolonged grid outages, providing homeowners with access to power as long as the sun shines.

Simple installation

As a transformerless inverter, the TL-US residential series is lighter in weight than its transformer-based counterparts, making it easier to lift and transport. A new wall mounting plate features anti-theft security and makes hanging the inverter quick and easy. A simplified DC wiring concept allows the DC disconnect to be used as a wire raceway, saving labor and materials.

The 3800TL-US and 7700TL-US models allow installers to maximize system size and energy production for customers with 100 A and 200 A service panels.

Leading monitoring and control solutions

The new TL-US residential line features more than high performance and a large graphic display. The monitoring and control options provide users with an outstanding degree of flexibility. Multiple communication options allow for a highly controllable inverter and one that can be monitored on Sunny Portal from anywhere on the planet via an Internet connection. Whether communicating through RS485, or SMA’s new plug-and-play WebConnect, installers can find an optimal solution to their monitoring needs.

Wide Power Class Range

Whether you’re looking for a model to maximize a 100 A service panel or trying to meet the needs of a larger residential PV system, the Sunny Boy TL-US with Secure Power Supply has you covered. Its wide range of power classes—from 3 to 7.7 kW—offers customers the right size for virtually any residential application. The TL-US series is not only the smartest inverter on the planet, it’s also the most flexible.

Transformerless design

The Sunny Boy 3000TL-US / 3800TL-US / 4000TL-US / 5000TL-US / 6000TL-US / 7000TL-US / 7700TL-US are transformerless inverters, which means owners and installers benefit from high efficiency and lower weight. A wide input voltage range also means the inverters will produce high amounts of power under a number of conditions.

Additionally, transformerless inverters have been shown to be among the safest string inverters on the market. An industry first, the TL-US series has been tested to UL 1741 and UL 1699B and is in compliance with the arc fault requirements of NEC 2011.

Increased energy production

OptiTrac™ Global Peak, SMA’s shade-tolerant MPP tracking algorithm, quickly adjusts to changes in solar irradiation, which mitigates the effects of shade and results in higher total power output. And, with two MPP trackers, the TL-US series can ably handle complex roofs with multiple orientations or string lengths.

An extended operating temperature range of -40 °F to +140 °F ensures power is produced

a neW geneRaTIon of InnovaTIonThe Sunny Boy TL-uS reSidenTiaL SerieS haS yeT again redefined The caTegory.

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solar electric system proposal - colby...

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