Behind-The-Meter®  Systems

 
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AMP-EL ENERGY® System

How it works

The AMP-EL ENERGY® Bulk Energy Storage system is an integrated energy storage unit that is reliable and more cost effective than any other energy storage unit currently available on the market today. The system is capable of storing energy from any renewable or non-renewable energy source such as Wind, Solar Thermal, Solar PhotoVoltaic, Hydro, Geothermal etc. reliably for peak-shaving and base-load power supply during its project life, which is well in excess of 3 to 5 times the life of conventional electro-chemical battery storage.

The system controller detects excess renewable energy (via CT clamps) and reroutes it to the hydro-pneumatic air compressor which charges a bank of compressed air cylinders. The excess heat during the compression cycle is vented to atmosphere. When the demand surpasses the renewable energy supply, the stored compressed air is then released and expanded through our Patented N-GEN® Turbine to generate the appropriate amount of electrical energy.

Benefits and features

Benefits

•        low initial and whole life costs

•        low maintenance

•        consistent high performance & power availability

•        reliable, even in hostile environments

•        fast plug-and-play installation

Features

•        environmentally tolerant, self-contained units

•        comprehensive GUI status display as standard

•        run from standard cylinders or plant ring main

•        auto compressor option for cylinder recharge

•        very low environmental impact and disposal issues

 

SunStalker® System Single and Dual Axis Solar Tracking - Roof and Ground Mount.

Dual and Single Axis Solar Tracking - Roof and Ground Mount.

The main benefit of dual axis (outside the tropics) and single axis (inside the tropics), is that more energy (typically 35% for single axis and 43% for dual axis) can be created closer to the demand cycles and hence reducing the amount of energy storage required. The following is an example of a typical Tracking PV – Solar Thermal Electric system design for a daily load of 3,555 kWh.

If the 250kW of fixed PV were used to match the load, then approximately 1,273 kWh will be generated (Red line) and approximately 2,280 kWh will need to be generated through a solar thermal electric system or alternatively be produced by more PV Panels, stored in batteries or be supplied by the grid.

Graph of load profile with Fixed PV Panels

If, however, the 250 kW was placed on a dual axis tracker, then approximately 1,820 kWh would be generated and only 1,735 kWh would be required from a solar thermal electric system, or PV-Batteries or the Grid.

Graph of load profile with SunStalker® Tracking PV Panels

 

A direct comparison is shown below

Therefore, the real cost savings are attributable to the following benefits:

  • Energy is generated closer to “Peak” demand;

  • 30% less PV Panels required to achieve the same energy output;

  • Reduced energy cost through the partial off-set of “Peak” power;

  • Reduced cost of hybridising with solar thermal electric or additional PV and batteries;

  • Wind rated to Zones “A”, “B” and “C”;

  • Light weight construction allows roof top mounting;

  • Can be hybridised with the Amp-El Energy™ Solar Thermal Electric system for 24 hour power supply.

 
 
 

 

SunStalker®

Single & Dual Axis Solar Tracking

 
 
 
 

SunStalker® Roof Mounted Dual Axis Solar Tracker

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