What Size System is Right for Me?

EfstonScience customizes the design of your Solar Power System around your site and requirements to maximize your return on investment.

Here are some scenarios illustrating what you could expect in terms of costs, energy output and profits for 3kW, 5kW and 10kW MicroFIT-eligible Solar Power Systems.

5 kW MicroFIT Solar Power System


Ruth’s sloped roof on her home in downtown Toronto is ideal for a 5 kW system since there are no trees or buildings nearby to cause shading.

5kW Solar Power System installed on a sloped roof

The Solar Power System installation took advantage of the south-facing sloped roof of her downtown semi-detached home.

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7 kW MicroFIT Solar Power System

Shane has a garage in his backyard with a south facing sloped roof and wants to earn a regular monthly income.

7kW Solar Power System installed on a sloped roof

An unused roof with trees or buildings nearby is the ideal location for a solar power system. Micro-inverters monitor output from each panel separately, so the Solar Power System continues to produce electricity even when not all the panels are producing power.

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10 kW MicroFIT Solar Power System


Eric has a small suburban factory and wants to turn an unused roof into a secure, green investment.

10kW Solar Power System installed on a flat roof

The installation includes includes south-facing ballasted mounts pitched 35° and spaced to avoid shading. Ballasted mounts use heavy materials, such as concrete, to hold panels on the roof, so penetration into the roof structure is not required.

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