Updated on December 30, 2023


Created on May 28, 2014

PowerPal T1 Turgo Micro-hydroelectric Generator

Upcoming Update

Designed by PowerPal, the T1 Turgo is a micro-hydroelectric generator system consisting of a turbine with a generator attached.

Tested By
  • Asian Phoenix Resources Ltd.
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Product Description

The PowerPal T1 Turgo micro-hydroelectric generator has a power output range from 660 W to 2.0 kW depending on head and flow. It has twin nozzles and is fitted with a 1 kW capacity generator. All or part of the stream flow is diverted through a 12 cm diameter steel penstock pipe and down to the turbine. An electronic load controller controls the output voltage and frequency.

The PowerPal micro hydro turbines are manufactured to exacting standards in Vietnam under the supervision of Asian Phoenix Resources Ltd., a Canadian corporation.

Target SDGs

SDG 7: Affordable and Clean Energy

SDG 8: Decent Work and Economic Growth

Market Suggested Retail Price


Target Users (Target Impact Group)

Household, Community, Small and Medium-sized Enterprises

Distributors / Implementing Organizations

Asian Phoenix Resources Ltd. with national distributors located around the globe including PowerPal UK and Planetary Power.

Manufacturing/Building Method

The PowerPal T1 is manufactured on an individual, per demand basis. Interview with representative It is manufactured to exacting standards in Vietnam under the supervision of Asian Phoenix Resources Ltd., a Canadian corporation.

Intellectural Property Type

Select Type

User Provision Model

Distributors in the UK, France, Spain, Germany, Belgium, Finland, Philippines, Austrailia, SW Pacific Islands, Malaysia, South Africa, Costa Rica, Mexico, and available online through Asian Phoenix Resources Ltd. Interview with representative

Distributions to Date Status

8 to 10. Interview with representative

Output voltage: (VAC)

110 VAC or 220 VAC

Power output, min (kW at head, flow rate)

0.66 kW at 8 m, 21 L/s

Power output, max (kW at head, flow rate)

1.00 kW at 11 m, 23 L/s

Output frequency (Hz)

50 – 65 Hz

Minimum required head (m)

8 m

Minimum required flow rate (L/s)

21 L/s

Number of nozzles

1 nozzle

Weight (kg)

46 kg


Single phase

Design Specifications

The PowerPal T1 Turgo manual lists its technical specifications: • Rated power output: 1000 W, maximum allowable load: 1200 W • Intended voltage: 220 VAC, frequency at rated power output: 50 - 65 Hz • Frequency at runaway speed: 70 Hz, runaway speed: 1500 rpm • Height: 600 mm • Runner diameter: 270 mm • Weight: 46 kg • Turbine runner type: Turgo • Number of buckets: 20, number of nozzles: 1 • Generator: 3 phase induction motor converted to single-phase • Generator insulation: Class B • Protection Grade: IP54 • Load controller circuit breaker: 5.0 A • Turbine bearing size: SKF 7209B, Seal Size: 42 X 62 X 10 mm • Recommended cable: 4 mm2 • Operating temperature: 5 - 50 °C • Operating humidity: 0 - 90 %

Product Schematics

Technical Support

Each Powerpal comes with an installation & maintenance manual, although sufficient knowledge of electrical and plumbing systems is required. PowerPal service technicians are available through distributors.

Replacement Components

Need to be shipped from the factory in Vietnam. If needed, contact PowerPal representative or the manager of the factory in Hanoi, Vietnam. Interview with representative


1-year warranty against faulty workmanship that commences upon installation. Interview with representative

Manufacturer Specified Performance Parameters

Shown in the image and available via the distributor's website.

Vetted Performance Status

Testing performed by the manufacturer determined the output range of 660 W - 1000 W as indicated in the manual, however, no third-party testing has been completed.


There are significant hazards related to both the installation & operation of this product if installed incorrectly. Electrocution is a threat when installing the system, higher than rated power outputs are possible under conditions of higher water head, which can lead to electrical fires. The following safety factors are taken from the Powerpal T1 and T2 Hydro manual:

Complementary Technical Systems

Can be combined with irrigation systems.

Academic Research and References

Meier, T., Fischer, G (2011). Assessment of the pico and micro-hydro power market in Rwanda [Internet]. Switzerland; 2011 Dec.

Paish, O., Green, J., The pico hydro market in Vietnam [Internet]. Chineham, Hampshire, UK.

Taylor, S.D.B., Fuentes, M., Green, J., Rai, K .Stimulating the market for pic-hydro in Ecuador [Internet]. Chineham, Hampshire, UK; [cited 2015 Jun 28].

Powerpal T1 and T2 Turgo Series. n.d. powerpal.co.uk.

Powerpal UK. n.d. powerpal.co.uk.

Implementation examples | Small and micro hydropower. n.d. www.microhydro.ru.

Asian Phoenix Resources Ltd. n.d. Use and Care Instructions for Your New PowerPal T1 & T2 Turgo Micro-Hydroelectric Generator. www.maurelma.ch. Asian Phoenix Resources Ltd., PowerPal.


Compliance with regulations

EU standards are followed, but not disclosed. Interview with representative

Evaluation methods

No details about the testing methods were provided, although results were available via email.Interview with representative

Other Information

The manual for just the T1 and T2 Turgo can be found here

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