RCON, 2015. ENERCON Product Overview

Sub MW E-44, E-48, E-53

MW E-70, E-82 E2, E-82 E4, E-92, E-101, E-101 E2, E-115, E-126 EP4

Multi-MW E-126

The most suitable wind energy converter for every location ENERCON product overview

PAGE 2 ENERCON product overview Advantage through innovation PAGE 3

ENERCON wind energy converters – Advantage through innovation.

For more than 25 years, ENERCON wind energy converters have been synonymous with technological progress and high profitability. The importance of technologies contributing to power supply security is constantly increasing. ENERCON’s control systems offer a wide range of technological options which can be adapted to the grid parameters of large power transmission systems. Continuous research and development, as well as a degree of vertical integration that is unrivalled in the industry, ensure the high quality standards, the reliability and the profitability of ENERCON wind energy converters. Together with customer-oriented service, they guarantee the company’s continued success. PAGE PAGE product overview overview 4 ENERCON product 2 900 0.06 0.07 910.0 0.08 910.0 0.09 25 910.0 0.11 24 910.0 0.12 23 910.0 0.14 22 910.0 0.17 21 910.0 0.20 20 910.0 0.24 19 910.0 0.28 18 905.0 0.33 17 880.0 0.39 16 850.0 0.44 15 790.0 0.48 14 710.0 0.50 13 600.0 12 0.50 466.0 11 0.50 340.0 10 0.49 238.0 0.48 9 156.0 0.43 8 96.0 0.34 7 50.0 0.16 6 20.0 0.00 5 4.0 4 0.0 3 1 2 1,000 id Power P (kW) Wind (m/s) Calculated power curve 100 200 300 400 500 600 700 800 900 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-44 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IA IEC/EN concept: WEC - (IEC): class Wind m 44 (DIBt): zone Wind /55 45 kW 900 meter: in height Hub diameter: Rotor power: Rated E-44 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake bearing feed: roller Grid Twin tapered Generator: bearing: Main train with generator Drive blade single ENERCON rpm 16 -34.5 Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade Technical speciﬁcations E-44 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA 1,521 m 1,521 control pitch Upwind rotor with active adjustment blade single control*) storm ENERCON (with damping load-dependent gear, yaw via Active – Rotor lock – brake Rotor inverter ENERCON generator annular direct-drive ENERCON supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning gency power supply power gency emer- with systems trol 2

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900kW

E 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 6 5 - 44 4 3 1 2 PAGE PAGE 5

PAGE PAGE product overview overview 6 ENERCON product 2 800 0.05 0.05 810.0 0.06 810.0 0.07 25 810.0 0.08 24 810.0 0.09 23 810.0 0.11 22 810.0 0.13 21 810.0 0.15 20 810.0 0.18 19 810.0 0.22 18 810.0 0.27 17 810.0 0.32 16 810.0 0.39 15 790.0 0.45 14 750.0 0.50 13 671.0 0.50 12 555.0 0.48 11 400.0 0.47 10 275.0 0.46 9 180.0 0.43 8 110.0 0.35 7 60.0 0.17 6 25.0 0.00 5 5.0 4 0.0 3 2 1 id Power P (kW) Wind (m/s) Calculated power curve 100 200 300 400 500 600 700 800 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-48 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IIA IEC/EN concept: WEC III WZ (IEC): class Wind m 48 (DIBt): zone Wind kW 800 /76 /65 /60 50 meter: in height Hub diameter: Rotor power: Rated E-48 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake bearing feed: roller Grid Twin tapered Generator: bearing: Main train with generator Drive blade single ENERCON 16 -31.5 rpm Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade Technical speciﬁcations E-48 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA 1,810 m 1,810 control pitch Upwind rotor with active adjustment blade single control*) storm ENERCON (with damping load-dependent gear, yaw via Active – Rotor lock – brake Rotor inverter ENERCON generator annular direct-drive ENERCON supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning gency power supply power gency emer- with systems trol 2

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800kW

E 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 6 5 - 48 4 3 1 2 PAGE PAGE 7

PAGE PAGE product overview overview 8 ENERCON product 2 800 0.04 0.04 810.0 0.05 810.0 0.06 25 810.0 0.06 24 810.0 0.08 23 810.0 0.09 22 810.0 0.10 21 810.0 0.12 20 810.0 0.15 19 810.0 0.18 18 810.0 0.22 17 810.0 0.27 16 810.0 0.34 15 810.0 0.42 14 780.0 0.48 13 744.0 0.49 12 645.0 0.49 11 480.0 0.49 10 336.0 0.48 9 228.0 0.46 8 141.0 0.44 7 77.0 0.39 6 38.0 0.19 5 14.0 4 2.0 3 2 1 id Power P (kW) Wind (m/s) Calculated power curve 100 200 300 400 500 600 700 800 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-53 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor concept: WEC S Class IEC/NVN exp II WZ (V (IEC): class Wind m 52.9 (DIBt): zone Wind /73 /60 50 kW 800 meter: in height Hub diameter: Rotor power: Rated E-53 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake bearing feed: roller Grid Twin tapered Generator: bearing: Main train with generator Drive blade single ENERCON 11 -29.5 rpm Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade Technical speciﬁcations E-53 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA 2,198 m 2,198 control pitch Upwind rotor with active adjustment blade single control*) storm ENERCON (with damping load-dependent gear, yaw via Active – Rotor lock – brake Rotor inverter ENERCON generator annular direct-drive ENERCON supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning av gency power supply power gency emer- with systems trol = 7.5 m/s, V =7.5 m/s, 2

please see the last page. last the see please ext m/s) =57

800 kW

E 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 6 5 - 53 4 3 1 2 PAGE PAGE 9

PAGE PAGE product overview overview ENERCON product 10 10 10 ENERCON product overview overview product 2 2300 0.06 0.07 2,310.0 0.08 2,310.0 25 0.09 2,310.0 24 0.10 2,310.0 23 0.12 2,310.0 22 0.14 2,310.0 21 0.16 2,310.0 20 0.19 2,310.0 19 0.23 2,310.0 18 0.28 2,310.0 17 0.34 2,300.0 16 0.39 2,230.0 15 0.45 2,080.0 14 0.49 1,900.0 13 0.50 1,590.0 0.50 12 1,223.0 0.50 11 892.0 0.48 10 626.0 0.46 9 400.0 0.42 8 240.0 0.36 7 127.0 0.27 6 56.0 0.10 5 18.0 4 2.0 3 2 1 1,200 1,500 1,800 2,100 2,400 (/) k) Power P (kW) Wind (m/s) Calculated power curve 300 600 900 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-70 E4 E-70 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 E-70 E4 E-70 E4 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IEC/EN and IA IEC/EN IIA concept: WEC III WZ (IEC): class Wind m 71 (DIBt): zone Wind kW /8598114 57/6475 2,300 meter: in height Hub diameter: Rotor power: Rated Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid Double row tapered/cylin- Generator: Main bearing: train with generator Drive blade single ENERCON rpm 6-21 Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade Technical speciﬁcations E-70E4 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA 3,959 m 3,959 control pitch Upwind rotor with active adjustment blade single control*) storm ENERCON (with damping load-dependent gear, yaw via Active – Rotor lock – brake Rotor inverter ENERCON generator annular direct-drive ENERCON bearings roller drical supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning gency power supply power gency emer- with systems trol 2

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2,300 kW

E 6 6 5 4 3 2 1 5 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier - 4 70 3 1 2

PAGE PAGE 11

PAGE PAGE product overview overview ENERCON product 12 12 12 ENERCON product overview overview product 2 2000 0.04 0.05 2,050.0 0.05 2,050.0 25 0.06 2,050.0 24 0.07 2,050.0 23 0.08 2,050.0 22 0.09 2,050.0 21 0.11 2,050.0 20 0.13 2,050.0 19 0.15 2,050.0 18 0.19 2,050.0 17 0.23 2,050.0 16 0.29 2,050.0 15 0.35 2,050.0 14 0.42 1,980.0 13 0.49 1,810.0 12 0.50 1,580.0 0.49 11 1,180.0 0.48 10 815.0 0.46 9 532.0 0.43 8 321.0 0.40 7 174.0 0.29 6 82.0 0.12 5 25.0 4 3.0 3 2 1 1,000 1,250 1,500 1,750 2,000 id Power P (kW) Wind (m/s) Calculated power curve 250 500 750 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-82 E2 E-82 E-82 E2 E-82 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid tapered/cylin- row Double Generator: bearing: Main train with generator Drive blade single ENERCON 6-18 rpm Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade E-82 E2 E2 E-82 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IIA IEC/EN concept: WEC III WZ (IEC): class Wind m 82 (DIBt): zone Wind /138 /108 /98 /85 kW /84 78 2,000 meter: in height Hub diameter: Rotor power: Rated Technical speciﬁcations E-82E2 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA control*) storm ENERCON (with damping load-dependent gear, yaw via Active – Rotor lock – brake Rotor inverter ENERCON generator annular direct-drive ENERCON bearings roller drical supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning 5,281 m 5,281 control pitch Upwind rotor with active adjustment blade single gency power supply power gency emer- with systems trol 2 please see the last page. last the see please

2,000kW

E 6 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 5 4 - 82 3 1 2

PAGE PAGE 13

PAGE PAGE product overview overview ENERCON product 14 2 2300 0.05 0.05 2,350.0 0.06 2,350.0 25 0.07 2,350.0 24 0.08 2,350.0 23 0.09 2,350.0 22 0.11 2,350.0 21 0.12 2,350.0 20 0.15 2,350.0 19 0.18 2,350.0 18 0.22 2,350.0 17 0.26 2,350.0 16 0.32 2,350.0 15 0.38 2,250.0 14 0.44 2,100.0 13 0.49 1,890.0 12 0.50 1,580.0 0.49 11 1,180.0 0.48 10 815.0 0.46 9 532.0 0.43 8 321.0 0.40 7 174.0 0.29 6 82.0 0.12 5 25.0 4 3.0 3 2 1 1,000 1,500 2,000 2,500 (/) k) Power P (kW) Wind (m/s) Calculated power curve 500 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-82 E2 E-82 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid tapered/cylin- row Double Generator: bearing: Main train with generator Drive blade single ENERCON 6-18 rpm Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade E-82 E2 E2 E-82 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IIA IEC/EN concept: WEC III WZ (IEC): class Wind m 82 (DIBt): zone Wind /138 /108 /98 /85 kW /84 78 2,300 meter: in height Hub diameter: Rotor power: Rated Technical speciﬁcations E-82E2 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

please see the last page. last the see please

2,300kW

E 6 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 5 4 - 82 3 1 2

PAGE PAGE 15

PAGE PAGE product overview overview ENERCON product 16 2 2300 0.05 0.05 2,350.0 0.06 2,350.0 25 0.07 2,350.0 24 0.08 2,350.0 23 0.09 2,350.0 22 0.11 2,350.0 21 0.12 2,350.0 20 0.15 2,350.0 19 0.18 2,350.0 18 0.22 2,350.0 17 0.26 2,350.0 16 0.32 2,350.0 15 0.38 2,250.0 14 0.44 2,100.0 13 0.49 1,890.0 12 0.50 1,580.0 0.49 11 1,180.0 0.48 10 815.0 0.46 9 532.0 0.43 8 321.0 0.40 7 174.0 0.29 6 82.0 0.12 5 25.0 4 3.0 3 2 1 1,000 1,500 2,000 2,500 id Power P (kW) Wind (m/s) Calculated power curve 500 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-82 E4 E-82 E-82 E3 0.00 0.10 0.20 0.30 0.40 0.50 0.60

p = 1.225 kg/m3 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid tapered/cylin- row Double Generator: bearing: Main train with generator Drive blade single ENERCON 6-18 rpm Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade E-82 E4 E-82 E-82 E3 E3 E-82 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IEC/EN and IA IIA IEC/EN concept: WEC - (IEC): class Wind m 82 (DIBt): zone Wind kW /84 /69 59 /78 2,350 meter: in height Hub diameter: Rotor power: Rated Technical speciﬁcations E-82E4 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

2,350kW

E 6 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 5 4 - 82 3 1 2

PAGE PAGE 17

PAGESEITE 1818 ENERCON productProduct overview Overview E-82E-33 E4 E-33E-82 E4 SEITEPAGE 19

Calculated power curve Technical speciﬁ cations E-82 E4

Power P (kW) Power coefficient Cp (-) Rated power: 3,000 kW

3,000 0.60 Rotor diameter: 82 m 2,500 0.50 Hub height in meter: 69 / 78 / 84 2,000 0.40 Wind zone (DIBt): - 1,500 0.30 - Wind class (IEC): IEC/EN IA and IEC/EN IIA E 82 1,000 0.20 3,000 kW WEC concept: Gearless, variable speed, 500 0.10 single blade adjustment 0 0.00 0 5 10 15 20 25 Wind speed v at hub height (m/s) Rotor Type: Upwind rotor with active pitch control Rotational direction: Clockwise Power- Wind Power P No. of blades: 3 (m/s) (kW) coefﬁ cient Cp (-) Swept area: 5,281 m2

1 0.0 0.000 Blade material: GRP (epoxy resin); Built-in lightning protection 2 0.0 0.000 Rotational speed: Variable, 6 - 18 rpm 3 25.0 0.286 Pitch control: ENERCON single blade 4 82.0 0.396 pitch system; one independent pitch system per 5 174.0 0.430 rotor blade with allocated 6 321.0 0.459 emergency supply 6 7 525.0 0.473 Drive train with generator 8 800.0 0.483 Main bearing: Double row tapered/cylin- 9 1,135.0 0.481 drical roller bearings Generator: ENERCON direct-drive 10 1,510.0 0.467 4 annular generator 3 1 11 1,880.0 0.437 Grid feed: ENERCON inverter

12 2,200.0 0.394 Brake systems: – 3 independent pitch con- 2 13 2,500.0 0.352 trol systems with emer- 5 gency power supply 14 2,770.0 0.312 – Rotor brake 15 2,910.0 0.267 – Rotor lock 16 3,000.0 0.226 Yaw system: Active via yaw gear, load-dependent damping 17 3,020.0 0.190 Cut-out wind speed: 28 - 34 m/s 18 3,020.0 0.160 (with ENERCON storm 1 Main carrier 19 3,020.0 0.136 control*) Remote monitoring: ENERCON SCADA 2 Yaw drive 20 3,020.0 0.117 3 Annular generator 21 3,020.0 0.101 4 Blade adapter 22 3,020.0 0.088 5 Rotor hub 23 3,020.0 0.077 3 6 Rotor blade 24 3,020.0 0.068 * For more information on the ENERCON storm control feature,

25 3,020.0 0.060 p = 1.225 kg/m please see the last page. PAGE PAGE product overview overview ENERCON product 20 20 20 ENERCON product overview overview product 2 2300 0.04 0.04 2,350.0 0.05 2,350.0 25 0.05 2,350.0 24 0.06 2,350.0 23 0.07 2,350.0 22 0.08 2,350.0 21 0.10 2,350.0 20 0.12 2,350.0 19 0.14 2,350.0 18 0.17 2,350.0 17 0.21 2,350.0 16 0.26 2,350.0 15 0.32 2,300.0 14 0.39 2,237.0 13 0.45 2,088.7 12 0.47 1,817.8 0.47 11 1,403.6 0.46 10 975.8 0.44 9 637.0 0.41 8 384.3 0.38 7 208.3 0.27 6 98.2 0.11 5 29.9 4 3.6 3 2 1 1,000 1,250 1,500 1,750 2,000 2,250 2,500 id Power P (kW) Wind (m/s) Calculated power curve 250 500 750 0 Power P(kW) 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-92 E-92 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50

p = 1.225 kg/m3 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IIA IEC/EN concept: WEC III WZ (IEC): class Wind /138 /108 /104 /98 /85 /84 78 m 92 (DIBt): zone Wind kW 2,350 meter: in height Hub diameter: Rotor power: Rated E-92 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid tapered/cylin- row Double Generator: bearing: Main train with generator Drive pitch blade single ENERCON 5-16 rpm Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade Technical speciﬁcations E-92 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– control pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA 6,648 m 6,648 control pitch Upwind rotor with active adjustment blade single trol*) con- storm ENERCON (with damping load-dependent gear, yaw via Active – Rotor lock – brake Rotor inverter ENERCON generator annular direct-drive ENERCON bearings roller drical supply emergency allocated with blade rotor per system pitch independent one system; Built-in protection lightning power supplypower emer with systems 2

please see the last page. last the see please gency gency

2,350kW

E 6 6 5 4 3 2 1 Rotor blade Rotor hub Blade adapter Annular generator Yaw drive Main carrier 5 - 4 92 3 1 2 PAGE PAGE 21

PAGE PAGE product overview overview ENERCONproduct 22 2 3000 0.040 0.045 3,050.0 0.051 3,050.0 25 0.058 3,050.0 24 0.067 3,050.0 23 0.078 3,050.0 22 0.091 3,050.0 21 0.107 3,050.0 20 0.127 3,050.0 19 0.152 3,050.0 18 0.184 3,050.0 17 0.227 3,050.0 16 0.283 3,050.0 15 0.358 3,050.0 14 0.439 3,034.0 13 0.477 2,867.0 12 0.478 2,340.0 11 0.478 1,710.0 10 0.469 1,200.0 9 0.452 790.0 8 0.421 479.0 7 0.376 258.0 0.279 6 118.0 0.076 5 37.0 4 3.0 3 2 2 . 0.076 3.0 1 2 2 3000 0.045 0.051 3,050.0 0.058 3,050.0 24 0.067 3,050.0 23 0.078 3,050.0 22 0.091 3,050.0 21 0.107 3,050.0 20 0.127 3,050.0 19 0.152 3,050.0 18 0.184 3,050.0 17 0.227 3,050.0 16 0.283 3,050.0 15 0.358 3,050.0 14 0.439 3,034.0 13 0.477 2,867.0 12 0.478 2,340.0 11 0.478 1,710.0 10 0.469 1,200.0 9 0.452 790.0 8 0.421 479.0 7 0.376 258.0 0.279 6 118.0 5 37.0 4 3 1,000 1,500 2,000 2,500 3,000 1,000 1,500 2,000 2,500 3,000 id Power P (kW) (kW) Wind (m/s) (m/s) Calculated power curve 500 500 Power P(kW) 0 0 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubhight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-101 0.00 0.10 0.20 0.30 0.40 0.50

p = 1.225 kg/m3 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid Double row tapered/cylin- Generator: Main bearing: train with generator Drive blade single ENERCON rpm 4-14.5 Variable, control: Pitch resin); (epoxy GRP speed: Rotational material: Blade o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IIA IEC/EN concept: WEC III WZ (IEC): class Wind 101 m (DIBt): zone Wind /124 /135 /149 kW 99 3,050 meter: in height Hub diameter: Rotor power: Rated E-101 Technical speciﬁcations E-101 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA control*) storm ENERCON (with damping load-dependent gear, yaw via Active – (10°) latching lock, Rotor – brake Rotor inverter ENERCON generator annular direct-drive ENERCON bearings roller drical supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning 8,012 m 8,012 control pitch Upwind rotor with active adjustment blade single gency power supply power gency emer- with systems trol 2

please see the last page. last the see please

3,050 kW

E 5 4 3 2 1 4 5 Rotor blade Rotor hub Annular generator Yaw drive Main carrier - 101 3 1 2 PAGE PAGE 23

PAGESEITE 2424 ENERCON Product product overview Overview E-101E-33 E2 E-101E-33 E2 SEITEPAGE 25

Calculated power curve Technical speciﬁ cations E-101 E2

Power P (kW) Power coefficient Cp (-) Rated power: 3,500 kW 3,500 0.70 Rotor diameter: 101 m 3,000 0.60 Hub height in meter: 74 2,500 0.50 Wind zone (DIBt): WZ IV 2,000 0.40 - Wind class (IEC): IEC/EN IA E 101 1,500 0.30 3,500 kW 1,000 0.20 WEC concept: Gearless, variable speed, 500 0.10 single blade adjustment 0 0.00 0 5 10 15 20 25 Rotor Wind speed v at hub height (m/s) Type: Upwind rotor with active pitch control Rotational direction: Clockwise Power- Wind Power P No. of blades: 3 (m/s) (kW) coefﬁ cient Cp (-) Swept area: 8,012 m2

1 0.0 0.00 Blade material: GRP (epoxy resin); Built-in lightning protection 2 3.0 0.08 Rotational speed: Variable, 4 - 14.5 rpm 3 37.0 0.28 Pitch control: ENERCON single blade 4 116.0 0.37 pitch system; one independent pitch system per 5 253.0 0.41 rotor blade with allocated 6 469.0 0.44 emergency supply

7 775.0 0.46 Drive train with generator 8 1,175.0 0.47 Main bearing: Double row tapered/cylin- 5 9 1,680.0 0.47 drical roller bearings Generator: ENERCON direct-drive 10 2,280.0 0.46 annular generator 11 2,810.0 0.43 Grid feed: ENERCON inverter 4 3 12 3,200.0 0.38 Brake systems: – 3 independent pitch con- 1 13 3,400.0 0.32 trol systems with emergency power supply 14 3,465.0 0.26 – Rotor brake 2 15 3,500.0 0.21 – Rotor lock, latching (10°) 16 3,500.0 0.17 Yaw system: Active via yaw gear, load-dependent damping 17 3,500.0 0.15 Cut-out wind speed: 28 - 34 m/s 18 3,500.0 0.12 (with ENERCON storm 1 Main carrier 19 3,500.0 0.10 control*) Remote monitoring: ENERCON SCADA 2 Yaw drive 20 3,500.0 0.09 3 Annular generator 21 3,500.0 0.08 4 Rotor hub 22 3,500.0 0.07 5 Rotor blade 23 3,500.0 0.06 3

24 3,500.0 0.05 * For more information on the ENERCON storm control feature,

25 3,500.0 0.05 p = 1.225 kg/m please see the last page.

PAGESEITE 2626 ENERCON Product product overview Overview E-115E-33 E-33E-115 SEITEPAGE 27

Calculated power curve Technical speciﬁ cations E-115

Power P (kW) Power coefficient Cp (-) Rated power: 3,000 kW

3,000 0.60 Rotor diameter: 115.7 m 2,500 0.50 Hub height in meter: 92 / 122 / 135 / 149 2,000 0.40 Wind zone (DIBt): WZ III - 1,500 0.30 Wind class (IEC): IEC/EN IIA E 115 1,000 0.20 3,000 kW WEC concept: Gearless, variable speed, 500 0.10 single blade adjustment 0 0.00 0 5 10 15 20 25 Rotor Wind speed v at hub height (m/s) Type: Upwind rotor with active pitch control Rotational direction: Clockwise Power- Wind Power P No. of blades: 3 (m/s) (kW) coefﬁ cient Cp (-) Swept area: 10,515.5 m2

1 0.0 0.00 Blade material: GRP (epoxy resin); Built-in lightning protection 2 3.0 0.058 Rotational speed: Variable, 4 - 12.8 rpm 3 48.5 0.279 Pitch control: ENERCON single blade 4 155.0 0.376 pitch system; one independent pitch system per 5 339.0 0.421 rotor blade with allocated 6 627.5 0.451 emergency supply

7 1,035.5 0.469 Drive train with generator 8 1,549.0 0.470 Main bearing: Double row tapered/cylin- 9 2,090.0 0.445 drical roller bearings 5 Generator: ENERCON direct-drive 10 2,580.0 0.401 annular generator 11 2,900.0 0.338 Grid feed: ENERCON inverter

12 3,000.0 0.270 Brake systems: – 3 independent pitch con- 4 3 13 3,000.0 0.212 trol systems with emer- 1 gency power supply 14 3,000.0 0.170 – Rotor brake 2 15 3,000.0 0.138 – Rotor lock, latching (10°) 16 3,000.0 0.114 Yaw system: Active via yaw gear, load-dependent damping 17 3,000.0 0.095 Cut-out wind speed: 28 - 34 m/s 18 3,000.0 0.080 (with ENERCON storm 1 Main carrier 19 3,000.0 0.068 control*) Remote monitoring: ENERCON SCADA 2 Yaw drive 20 3,000.0 0.058 3 Annular generator 21 3,000.0 0.050 4 Rotor hub 22 3,000.0 0.044 5 Rotor blade 23 3,000.0 0.038 3

24 3,000.0 0.034 * For more information on the ENERCON storm control feature,

25 3,000.0 0.030 p = 1.225 kg/m please see the last page.

SEITEPAGE 2828 ENERCONENERCON productProduct overview Overview E-126E-33 EP4 E-126E-33 EP4 SEITEPAGE 29

Calculated power curve Technical speciﬁ cations E-126 EP4

Power P (kW) Power coefficient Cp (-) Rated power: 4,200 kW

4,500 0.5 Rotor diameter: 127 m 4,000 3,500 0.4 Hub height in meter: 135 3,000 Wind zone (DIBt): WZ III - EP4 0.3 2,500 E 126 2,000 0.2 Wind class (IEC): IEC/EN IIA 1,500 4,200 kW 1,000 0.1 WEC concept: Gearless, variable speed, 500 0 0.0 single blade adjustment 0 5 10 15 20 25 Wind speed v at hub height (m/s) Rotor Type: Upwind rotor with active pitch control Rotational direction: Clockwise Power- Wind Power P No. of blades: 3 (m/s) (kW) coefﬁ cient Cp (-) Swept area: 12,668 m2

1 0.0 0.00 Blade material: GRP (epoxy resin); Built-in lightning protection 2 0.0 0.00 Rotational speed: Variable, 3 - 11.6 rpm 3 58.0 0.28 Pitch control: ENERCON single blade 4 185.0 0.37 pitch system; one independent pitch system per 5 400.0 0.41 rotor blade with allocated 6 745.0 0.44 emergency supply

7 1,200.0 0.45 Drive train with generator 6 8 1,790.0 0.45 Main bearing: Double row tapered/cylin- 9 2,450.0 0.43 drical roller bearings Generator: ENERCON direct-drive 10 3,120.0 0.40 annular generator 11 3,660.0 0.35 Grid feed: ENERCON inverter 5 3 12 4,000.0 0.30 Brake systems: – 3 independent pitch control systems with emer- 1 13 4,150.0 0.24 4 gency power supply 14 4,200.0 0.20 2 – Rotor brake 15 4,200.0 0.16 16 4,200.0 0.13 Yaw system: Active via yaw gear, load-dependent damping 17 4,200.0 0.11 Cut-out wind speed: 28 - 34 m/s 18 4,200.0 0.09 (with ENERCON storm 1 Main carrier 19 4,200.0 0.08 control*) Remote monitoring: ENERCON SCADA 2 Yaw drive 20 4,200.0 0.07 3 Annular generator 21 4,200.0 0.06 4 Blade adapter 22 4,200.0 0.05 5 Rotor hub 23 4,200.0 0.04 3 6 Rotor blade 24 4,200.0 0.04 * For more information on the ENERCON storm control feature,

25 4,200.0 0.03 p = 1.225 kg/m please see the last page. PAGE PAGE product overview overview ENERCON product 30 30 30 ENERCON product overview overview product 2 7500 0.063 0.071 7,580.0 0.080 7,580.0 25 0.092 7,580.0 24 0.105 7,580.0 23 0.122 7,580.0 22 0.142 7,580.0 21 0.168 7,580.0 20 0.199 7,580.0 19 0.236 7,580.0 18 0.281 7,500.0 17 0.329 7,350.0 16 0.381 7,000.0 15 0.429 6,500.0 14 0.470 5,750.0 13 0.483 4,850.0 12 0.477 3,750.0 11 0.478 2,700.0 10 0.470 1,900.0 9 0.453 1,250.0 8 0.423 760.0 7 0.352 410.0 0.263 6 175.0 0.000 5 55.0 4 0.0 3 2 1 1,000 2,000 3,000 4,000 5,000 6,000 7,000 8,000 id Power P (kW) Wind (m/s) Calculated power curve Power P(kW) 0 5 0 5 0 25 20 15 10 5 0 0.0 Wind speedvathubheight(m/s) Power coefficientCp(-) coefﬁcient Power- Cp (-) 0.00 E-126 E-126 0.00 0.10 0.20 0.30 0.40 0.50

p = 1.225 kg/m3 o fbae: 3 area: Swept blades: of No. Clockwise Rotational direction: speed, Type: variable Gearless, Rotor IA IEC/EN concept: WEC III WZ (IEC): class Wind 127 m (DIBt): zone Wind 135 kW 7,580 meter: in height Hub diameter: Rotor power: Rated E-126 Remote monitoring: Cut-out speed wind Yaw system: systems: Brake feed: Grid roller tapered row Single Generator: bearing: Main train with generator Drive blade single ENERCON 5-12.1 rpm Variable, control: Pitch speed: Rotational resin)/GRP; (epoxy GRP material: Blade Technical speciﬁcations E-126 * For more information on the ENERCON storm control feature, feature, control storm ENERCON the on information more * For

– con- pitch 3 independent 28 - 34 m/s -34 28 : ENERCON SCADA 12,668 m 12,668 control pitch Upwind rotor with active adjustment blade single control*) storm ENERCON (with damping load-dependent gear, yaw via Active – brake Rotor inverter ENERCON generator annular direct-drive ENERCON bearings supply emergency allocated with blade rotor per system pitch pendent inde- one system; pitch Built-in protection lightning resin)/steel; (epoxy GRP gency power supply power gency emer- with systems trol 2

please see the last page. last the see please

E 7,580kW 6 5 4 3 2 1 Rotor blade Rotor hub Hub adapter Annular generator Yaw drive Main carrier - 6 5 126 4 3 1 2 PAGE PAGE 31

PAGE 32 ENERCON product overview ENERCON product overview PAGE 33

ENERCON product overview The product portfolio comprises wind energy converters in the sub- to multi-megawatt classes.

WEC Rated Rotor Swept Hub height Rotational speed Cut-out Wind zone Wind class power diameter area wind speed (DIBt) (IEC)

ENERCON E-44 900 kW 44 m 1,521 m2 45 / 55 m variable, 16 - 34.5 rpm 28 - 34 m/s - IEC/EN IA

ENERCON E-48 800 kW 48 m 1,810 m2 50 / 60 / 65 / 76 m variable, 16 - 31.5 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-53 800 kW 52.9 m 2,198 m2 50 / 60 / 73 m variable, 11 - 29.5 rpm 28 - 34 m/s WZ II exp IEC/NVN Class S

ENERCON E-70 2,300 kW 71 m 3,959 m2 57 / 64 / 75 / 85 / 98 / 114 m variable, 6 - 21 rpm 28 - 34 m/s WZ III IEC/EN IA and IEC/EN IIA

ENERCON E-82 E2 2,000 kW 82 m 5,281 m2 78 / 84 / 85 / 98 / 108 / 138 m variable, 6 - 18 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-82 E2 2,300 kW 82 m 5,281 m2 78 / 84 / 85 / 98 / 108 / 138 m variable, 6 - 18 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-82 E4 2,350 kW 82 m 5,281 m2 59 / 69 / 78 / 84 m variable, 6 - 18 rpm 28 - 34 m/s - IEC/EN IA and IEC/EN IIA

ENERCON E-82 E4 3,000 kW 82 m 5,281 m2 69 / 78 / 84 m variable, 6 - 18 rpm 28 - 34 m/s - IEC/EN IA and IEC/EN IIA

ENERCON E-92 2,350 kW 92 m 6,648 m2 78 / 84 / 85 / 98 / 104 / 108 / 138 m variable, 5 - 16 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-101 3,050 kW 101 m 8,012 m2 99 / 124 / 135 / 149 m variable, 4 - 14.5 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-101 E2 3,500 kW 101 m 8,012 m2 74 m variable, 4 - 14.5 rpm 28 - 34 m/s WZ IV IEC/EN IA

ENERCON E-115 3,000 kW 115.7 m 10,515.5 m2 92 / 122 / 135 / 149 m variable, 4 - 12.8 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-126 EP4 4,200 kW 127 m 12,668 m2 135 m variable, 3 - 11.6 rpm 28 - 34 m/s WZ III IEC/EN IIA

ENERCON E-126 7,580 kW 127 m 12,668 m2 135 m variable, 5 - 12.1 rpm 28 - 34 m/s WZ III IEC/EN IA

PAGE 34 ENERCON product overview More details More details PAGE 35

Power curve without ENERCON storm control r Powe

rated

Wind speed

Wind turbine shuts down at preset maximum wind speed (V3).

V1 = Cut-in wind speed V2 = Rated wind speed V4 = Cut-in wind speed after deactivated storm control V3 = Cut-out wind speed with deactivated storm control

ENERCON power curves ENERCON storm control Power curve with ENERCON storm control According to current standards, power curve meas- These are based on the following: ENERCON wind energy converters run with a urement parameters such as turbulence intensity are special storm control feature. This slows the wind r

not taken into consideration. The results are deviat- Experience gained from numerous power turbine down so that it can continue to operate even Powe ing measurements on the same type of wind turbine curve measurements on various wind turbine at high wind speeds. Numerous shutdowns which lead at different locations. Again, when comparing yield types taken by accredited institutes to considerable losses in power output can thus be using power curve measurements from different avoided. rated types of wind turbines, a clear picture cannot be ob- Average turbulence intensity of 12 % tained unless all measurement parameters are taken When storm control is activated, the rated speed is into consideration. Standard air density of 1,225 kg/m3 linearly reduced starting at a predetermined wind speed for each turbine type. Beginning at another So in order to calculate power yield forecasts for its Anemometer specifications according to IEC turbine-specific wind speed, the limitation of the wind turbines, ENERCON does not use power curve 61400-12-1 turbine´s rated speed also reduces active power. The measurements but rather calculated power curves. turbine only shuts down at a wind speed of more than 34 m/s (10-minute average). Wind speed Thus, the power curves for ENERCON wind turbines provide highly reliable and realistic calculations for In comparison: when storm control is deactivated, Wind turbine reduces output starting at a deter- expected energy yield based on the wind conditions at the wind turbine stops if the wind speed reaches a mined wind speed (V3). A shutdown does not occur the respective site. 3-minute average of 25 m/s or a 15-second average until a predetermined maximum wind speed (V4) of 30 m/s. is reached.

V1 = Cut-in wind speed V2 = Rated wind speed V3 = Beginning of power reduction V4 = Cut-out wind speed with activated storm control

Trademark note ENERCON, Energy for the world, the ENERCON logo and the green tower shades are registered trademarks of ENERCON GmbH.

ENERCON GmbH Dreekamp 5 · 26605 Aurich, Germany Telephone +49 4941 927-0 Fax +49 4941 927-109 www.enercon.de [email protected]

Technical information subject to change. Last updated: June 2015