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NESL DJ 230P solar PV modules A grade Brand New $101 watt CONTAINER ONLY    US $138,999.00

240 ET SOLAR 275 Watt Genuine Poly Solar Panels    US $93,900.00

120 Schott 230 Watt American made Solar Panels Enphase M215 microinverters    US $74,299.00

276 kW Solar PV DIY kit w Enphase M215 Schott panels $222 watt BEST Price    US $61,272.00

120 ET SOLAR 230 Watt Genuine Poly Solar Panels    US $48,500.00

2484KW Grid Tie with 230w Solar Panel 181 per watt Sunny Boy CSI Unirac    US $44,978.61

120 Canadian Solar CS6P 240 M Panels Best CEC rating $129 Watt Pallet price    US $37,150.00

3196KW Sharp Mono Solar Panel NU U235F1 BX $1 Per Watt 60 Mono Solar Cell Panel    US $31,960.00

25kW Power 100 Talesun 250W Solar Panels item TP660M 250 ONLY $120 watt    US $30,000.00

92 kW PURE GRID TIE SOLAR SYSTEM SMA REC $321 watt    US $30,000.00

96 Canadian Solar CS6P 240 M Panels Best CEC rating $129 Watt Pallet price    US $29,470.00

96 Canadian Solar CS6P 240 M Panels Best CEC rating $125 Watt Pallet price    US $28,799.00

90 Schott 230 Watt Solar Panels Get Yours During Our WINTER SALES EVENT    US $28,359.00

96 Canadian Solar CS6P 245 M modules Best Product A grade 235 kW $119 watt    US $27,988.00

10 KW Grid Tie Complete Solar Panel Kit Suntech 280 Watt Panels    US $27,800.00

12 kW CS6P 250M Canadian solar PV kit w Enphase M215 microinverter $229 watt    US $27,499.00

96 Canadian Solar CS6P 240 M modules Best Product A grade 23 kW $119 watt    US $27,417.00

96 Canadian Solar CS6P 240 P modules Best Product A grade 23 kW $119 watt    US $27,417.00

Solyndra Series 200 $135 per Watt NEW solar panels    US $27,000.00

96 Canadian Solar Black frame CS6P 235 PX modules A grade 225 kW $119 watt    US $26,847.00

60 ET SOLAR 275 Watt Genuine Poly Solar Panels    US $24,750.00

21 kW NESL DJ 230P solar PV modules A grade Brand New LOW PRICE $108 watt    US $22,849.00

188kW Power 75 Talesun 250W Solar Panels item TP660M 250 ONLY $120 watt    US $22,500.00

84 Evergreen Solar Panels 3 pallets 220 WATT Brand New    US $22,393.00

115 kW Solar PV kit w Canadian solar 240M panelsEnphase M215 ONLY $194 Watt    US $22,345.00

72 Canadian Solar CS6P 240 M Panels Best CEC rating $129 Watt Pallet price    US $22,290.00

61 kW PURE GRID TIE SOLAR SYSTEM SMA REC $347 watt    US $21,500.00

SOLAR CSI GRID FEED SYSTEM 110KW $2049500$750SHIP $185 PER WATT SYSTEM COST    US $20,495.00

115kW 48 Canadian Solar 240M Panels 2 SMA 5000 watt Sunny Boy Inverters    US $19,275.00

BEST American Made Schott Solar Panells SALE 60 Schott 230 Watt Solar Panels    US $19,250.00

72 Sungen 270 Watt solar PV modules Best quality A grade 99 cents a watt    US $19,246.00

96 kW Solar PV kit w Canadian solar 240M panels Enphase M215 ONLY $196 Watt    US $18,816.00

SOLAR CSI GRID FEED SYSTEM 98KW $1799900$750 SHIP $182 PER WATT SYSTEM COST    US $17,999.00

Enphase M215 mircroinverter US made 230 watt solar panel 69 kW kit LOW PRICE    US $17,999.00

5170 Watt Grid Tied Solar Kit 22 235 Watt Panels 4800 Inverter Mounting Kit    US $17,340.07

Do It Yourself Solar PV System 704 Kilowatt FREE SHIPPING $246 a watt    US $17,325.00

SOLAR YINGLI ENPHASE GRID FEED SYSTEM 70KW $1699500$650 SHIP $242 PER WATT    US $16,995.00

4600 WATTS20 Solar PanelsW 5 Enphase inverters Racking Kit    US $16,335.31

77 kW Solar PV kit w Canadian solar 240M panels Enphase M215 ONLY $196 Watt    US $15,060.00

125kW Power 50 Talesun 250W Solar Panels item TP660M 250 ONLY $120 watt    US $15,000.00

50 Talesun 250 watt Solar Panels 660M 125 kW power $120 watt BEST PRICE    US $15,000.00

4 kW PURE GRID TIE SOLAR SYSTEM SMA REC $353 watt    US $15,000.00

48 Canadian Solar CS6P 240 M Panels Best CEC rating $129 Watt Pallet price    US $14,860.00

54 Sungen 270 Watt solar PV modules Best quality A grade 99 cents a watt    US $14,435.00

6 kW CS6P 250M Canadian solar PV kit w Enphase M215 microinverter $233 watt    US $13,999.00

SOLAR SHARP GRID FEED SYSTEM 6720W SYSTEM PRICE $205 PER WATT ALL USA MADE    US $13,799.00

SOLAR CSI GRID FEED 7200W $1367500$650 SHIPPING $189 PER WATT SYSTEM COST    US $13,675.00

7560k 280watt Solar Panels SMA Complete Kit Best Price System Ever    US $13,555.80

44 PHONO SOLAR 240 WATT Best price per watt $125 watt 10560 WATTS HIGH POWER    US $13,200.00

Phono Solar 230 Watt Solar Panels QTY 44 2 PALLETS    US $12,966.00

SOLAR YINGLI GRID FEED FULL 72KW SYSTEM$1295900$700 SHIP $178 PER WATT COST    US $12,959.00

Enphase M215 Microinverter US made 230 watt solar panel 55 kW kit LOW PRICE    US $12,899.00

SOLAR SHARP ENPHASE GRID FEED SYSTEM 5280W SYSTEMPRICE $244 PER WATT FREEQUOTE    US $12,895.00

WAAREE Solar Panel 200W 70 Pieces 89 cents per watt Eligible for tax credits    US $12,460.00

44 CANADIAN SOLAR 230 WATT Best price per watt 10120watts HIGH POWER    US $12,399.00

Do It Yourself Solar PV System 44 Kilowatt $277 a watt FREE shipping    US $12,200.00

105 kW NESL DJ 230P solar PV modules A grade Brand New LOW PRICE $110 watt    US $11,666.00

3200 WattS 8 x Grid Tie Inverter 32 x 100W Solar Panel    US $11,600.00

Enphase M215 mircroinverter US made 230 watt solar panel 46 kW kit LOW PRICE    US $11,599.00

3200 WattS 8 x Grid Tie Inverter 30 x 110W Solar Panel    US $11,300.00

58 kW Solar PV kit w Canadian solar 240M panels Enphase M215 ONLY $196 Watt    US $11,288.00

40 Talesun 250 watt Solar Panels 660M 10 kW power $120 watt BEST PRICE    US $11,200.00

54kw 270watt Solar Panels SMA Complete Kit Best Price System Ever    US $10,965.00

SOLAR CSI GRID FEED 57KW $1085000$750 SHIP $188 PER WATT SYSTEM COST    US $10,850.00

SOLAR CSI BIG PANEL GRID FEED 5310W $1039900$650 SHIP $195 PER WATT COST    US $10,399.00

SMA SUNNYBOY 528 KW DIY Solar Power System 22X240 WATT PANELS BEST PRICE    US $10,365.00

SOLAR CSI GRID FEED 53KW $1009900$750 SHIP $190 PER WATT SYSTEM SAVE BIG$$    US $10,099.00

3600 WATT Enphase Micro inverter Sharp Solar Power System THE NEW SHARP    US $9,999.00

24 Canadian Solar 240M Panels 1 SMA SB5000 Watt Inverter combo $172 watt    US $9,899.00

Expandable 528 KW Solar Power System 22X240 WATT panel UP to 26 panels    US $9,880.00

SOLAR CSI GRID FEED SYSTEM 5170W TOTAL SYSTEM PRICE $985900 OR $190PER WATT    US $9,859.00

63kW system 25 Talesun 250watt 660M Solar Panels 1 SMA6000 Sunny Boy Inverter    US $9,850.00

SHARP SOLAR PANELS ND 240QCJ 1 PALLET $979900FREIGHT SHIPPING $136 PER WATT    US $9,799.00

32 Talesun 250 watt Solar Panels 660M 8 kW power $120 watt BEST PRICE    US $9,600.00

57kW 24 Canadian Solar 240M Panels SMA 5000 watt Sunny Boy Grid Tie Inverter    US $9,589.00

21x230watt Polycrystalline Solar panel 24 voltULCEC Listed30 two Charity    US $9,500.00

Expandable 528 KW Solar Power System 22X240 WATT panel    US $9,365.00

SOLAR YINGLI GRID FEED 5 KW $902500$800 SHIP $178 PER WATT COST    US $9,025.00

22 LG ELECTRONICS SOLAR 255 WATT MONO GENUINE SOLAR PANELS    US $8,965.00

36k DIY Turnkey Solar 240 Watt Solar Panel Enphase M215 Unirac    US $8,915.43

230W SOLAR PANEL 21pcs Watt W Poly Crystalline Sopray PV MC4 24 V    US $8,500.00

SOLAR SHARP ENPHASE GRIDFEED SYSTEM 31KW $799500$500 SHIPPING $224 PER WATT    US $7,995.00

38 kW Solar PV kit w Canadian solar 240M panels Enphase M215 ONLY $207 Watt    US $7,949.00

SHARP SOLAR PANELS ND 240QCJ 1 PALLET 24 $776900FREIGHT SHIP $134 PER WATT    US $7,769.00

24 Canadian Solar CS6P 250 M Panels Best CEC rating $129 Watt Pallet price    US $7,740.00

22 Phono 250 WATT BLACK ON BLACK MONO Best Solar Panels 5500watts    US $7,678.00

NEW 23x 250W Mono Crystalline Cell Solar Panel 250 Watt 23 Panels Low Price    US $7,599.99

63kW System 25 Talesun 250W Solar Panels item TP660M 250 ONLY $120 watt    US $7,500.00

25 Talesun 250 watt Solar Panels 660M 63 kW power $120 watt BEST PRICE    US $7,500.00

Black 20pcs x 230W SOLAR PANEL MODULE Watt W Poly Sopray PV MC4    US $7,500.00

4kW system 16 Talesun 250 watt 660M Solar Panels 1 SMA4000 Sunny Boy Inverter    US $7,488.00

24 Canadian Solar CS6P 240 M Panels Best CEC rating $129 Watt Pallet price    US $7,430.00

24 unit pallet of Canadian Solar CS6P 240 M Panels $129 Watt Best Price    US $7,430.00

Canadian Solar CS6P 240 M Panels 24 unit pallet $129 Watt Best Price    US $7,430.00

Pallet of Canadian Solar Panels 24 units CS6P 240M $129 Watt Best Price    US $7,430.00

57kW PV Power Canadian Solar Panels 24 units CS6P 240M $129 Watt    US $7,430.00

Canadian Solar Panels 24 units 57kW PV Power CS6P 240M $129 Watt    US $7,430.00

Solar Panel Pallet by Canadian Solar 57kW PV Power CS6P 240M $129 Watt    US $7,430.00

If you buy a 20 watt solar panel, with full sun...are you getting 20 watts per day, hour, or week?

I want to get a solar panel but I want to know more before getting one. I see ads for 20 watt on up to 500 watt solar panels. I would like to know if that is measured in minutes, hours, days, or months.

Watt is a unit of power and power is a rate of energy flow with respect to time.

You're imagining watt as a unit of energy, that is not right. The unit of energy would be the watt hour.

20 watts for one hour is 20 watt hours. If you figure 50% production for 8 hours a day, that would be 80 watt hours per day.

The electric company bills you in kilowatt hours, one of which is a thousand watt hours, that costs $0.12 on average.

2x55 Watts SOLAR BOAT PhotoVoltaic HOME MADE