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How do grid-tied solar systems work over a year?

Author: Ksolare Energy
by Ksolare Energy
Posted: Dec 08, 2022

The direction of energy transfers between the home and the grid isn’t just affected by the time of day — it’s also impacted by the seasons. As the season's change, so does the amount of sunlight that hits the panels. At the same time, weather changes affect the electricity required for cooling and heating, which are the two most significant household energy users. Combined, changes in sunlight availability and weather mean that a grid-tied solar system’s level of imports and exports varies greatly by season.

Let’s take a look at how this plays out for a typical home throughout the year:


In summer, when the days are long and the sunshine plentiful, homes with on-grid systems export more power than they import. Most utilities allow homeowners to save up these credits for use later in the year.

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Spring and Fall

Mild weather means moderate power usage, as homes are less likely to require heating or cooling. At this time of year, grid-tied solar systems also produce reasonable amounts of power, so electricity imports and exports tend to be in balance.


Winter has the shortest days and weakest sunlight, and thus, the lowest solar output. Power usage is also usually quite high at this time, due to high heating usage. Your system will usually import more power over this period than it exports.

About Us-

KSolare Energy was established in 2012 and is located in Pune. The promoter of the company has wide experience of over 25 years in the field of renewable energy particularly in power electronics had worked in multinational companies in US, Spain, Germany & Portugal. The company products line-up covers Grid Tie & Hybrid Inverters in collaboration with big International companies. As one of the largest Best Grid Tie Inverter Companies in India, KSolare has an advanced automatic testing setup with certification. KSolare executed 805+ MW with a total installation of over 175,000+ Inverters in PAN India with efficient aftersales service support with the lowest failure rate and 100% Customer satisfaction because of after-sale service & quality.

Contact Us-

KSolare Technology Park, Sr.No. 62, Hissa No. 03,

Pune – Satara Rd, opp. to Poonam Petrol Pump,

Mangdewadi, Katraj, Pune, Maharashtra 411046

Contact No - Sales: 7888009282/83/84/85

Service: 8530111222 / 7030955501


About the Author

The manufacturing company of Solar on Grid-Tie Inverter. We provide high-performance On-Grid Solar Power Inverters in India at affordable prices.

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Author: Ksolare Energy

Ksolare Energy

Member since: Jan 27, 2022
Published articles: 20

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