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Main components of a sample system

600 kW DC, ground mounted with curtailment control of PV output

Wind turbines:

100 x 5 kW AC, permanent magnet, direct drive

Energy storage system:

Li-on, 500 kW/750 kWh, with grid forming capability, round efficiency 85%

Load profile:

Max. 480 kW, average 320 kW, min. 250 kW


A microgrid is a local and independent energy system that can generate, distribute, store and regulate the flow of electricity. It is essentially a scaled down version of the main grid and can operate either in conjunction with the larger grid, or in “islanded mode.” Where necessary and practical it can also switch between the two. Like it’s bigger cousin, a microgrid can draw energy from non-renewables and renewable sources or a combination of the two. The more a microgrid is optimized for the use of renewable inputs like solar energy, the lower its environmental impact and long-term costs of operation become.


Whether building a microgrid from scratch or retrofitting an existing diesel microgrid, at Canadian Solar we can assist you in developing an optimal solution. This includes the integration of intermittent renewable generation sources, while using storage and limited non-renewables to ensure grid stability, reliability, power quality, safety and efficiency. Leveraging the cost and environmental benefits of solar power to maximum advantage is made possible by the extensive cost reduction of PV solar systems in recent years and advances in control and communications technologies. These technologies also make it possible to feed surplus energy into the regional grid or, in turn, to draw energy from it where necessary.

Canadian Solar has adopted a holistic approach to tackle these issues that includes:

  • Community energy plan and feasibility study
  • Load management for conservation, efficiency and demand response
  • Optimal renewable energy (RE) system for high RE penetration
  • Advanced microgrid control system
  • Installation, commission and O&M
  • Development of PPA for attractive ROI


High RE penetration
Improved power quality, reliability and security
Turn-key solution
Holistic approach


  • Project scope, assessment of concept
  • Identify site(s) and stakeholders, understand approval procedure
  • Feasibility study, grid-impact study, geo-tech and techno-economic assessment
  • Environmental I