Solar Energy in Sillamäe
Sillamäe is located at 59.4°N, 27.8°E in Estonia. Here's what solar energy looks like for homeowners in this area.
Annual Irradiance
1,200
kWh/m²
Peak Sun Hours
2.8
hrs/day
4 kWp Output
4,128
kWh/year
Solar Score
77
/ 100
What does this mean for your roof?
Sillamäe receives approximately 1,200 kWh/m² of solar irradiance per year, which translates to 2.8 peak sun hours per day. This is excellent for residential solar energy production.
With a solar score of 77/100, Sillamäe ranks #14 of 30 cities in Estonia for solar potential in our atlas.
A typical 4 kWp residential solar system (9 panels) in Sillamäe would produce approximately 4,128 kWh per year, sized for the average household in Estonia.
The best months for solar production in Sillamäe are May – August, while the lowest production occurs during November – January. Being in the northern hemisphere, south-facing roofs capture the most annual sunlight.
Estimated savings in Sillamäe
System Cost
€5,200
4 kWp, before incentives
Annual Savings
~€462
At €0.197/kWh
Payback Period
~11 years
Before local incentives
25-Year Net Result
~€9,563
Savings minus system cost
These are approximate figures based on a standardized household consumption of 5,000 kWh/year and an estimated electricity rate of €0.197/kWh in Estonia. Local incentives may reduce the upfront cost — check current subsidy, tax-credit, or VAT programs in Estonia, as these can meaningfully shorten the payback period.
Figures are estimates based on typical system assumptions and the latest available electricity-price and billing data for Estonia. Actual costs, tariffs, net-metering rules, and incentives vary by utility and change over time — confirm with a local installer or energy authority before making decisions.
How solar billing works in Estonia
Exports and imports are priced separately, usually at different rates.
In Estonia, rooftop solar appears to fall under a net-billing-style approach, where the energy you export and the energy you import are typically valued separately rather than simply cancelling out. Exports are often credited at a rate that may be lower than the retail price you pay for imported power, which generally rewards using your own generation as it is produced. The precise export and import prices vary by region and utility and change over time, so they should be confirmed locally.
Get your exact numbers
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Solar tips for Sillamäe homeowners
Face panels south
In the northern hemisphere, south-facing panels capture the most annual sunlight. East-west split systems also work well.
Optimal tilt angle
For Sillamäe, the energy-optimal panel tilt is about 41° from horizontal.
Size your system right
For the average household in Estonia, a 4 kWp system (9 panels) covers most electricity needs. Use our calculator for a personalized estimate.
Check local incentives
Local incentives may reduce the upfront cost of residential solar — check current subsidy, tax-credit, and VAT programs with your energy authority in Estonia.
Gear to prepare for solar
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Solar in other Estonia cities
Frequently asked questions about solar in Sillamäe
How much do solar panels cost in Sillamäe?
A typical 4 kWp residential solar system in Sillamäe, Estonia costs approximately €5,200 before incentives — this is an estimate based on typical regional pricing. Local incentives such as subsidies, tax credits, or VAT exemptions may reduce the upfront cost; check current programs in Estonia.
How are solar exports valued under net billing in Estonia?
Under a net-billing-style scheme, exports from your system in Estonia are typically bought at one rate while the electricity you import is charged at another, and the two are usually not the same. Because the export credit may be lower than the retail import price, consuming your own solar power directly tends to be the most valuable option. Actual rates vary by region and utility and can change, so confirm the current figures with a local installer or energy authority.
How much electricity do solar panels produce in Sillamäe?
A 4 kWp solar system in Sillamäe produces approximately 4,128 kWh per year, based on 2.8 peak sun hours per day and 1,200 kWh/m² annual irradiance.
What is the solar panel payback period in Sillamäe?
Based on Estonia's electricity rate of €0.197/kWh, a 4 kWp system in Sillamäe pays for itself in approximately 11 years before incentives. After that, the electricity it generates is essentially free for the remaining panel lifespan of 25+ years.
Which direction should solar panels face in Sillamäe?
In Sillamäe, panels should ideally face south since it's in the northern hemisphere. The optimal tilt angle is about 41° from horizontal.
How many solar panels do I need for my home in Sillamäe?
A typical household in Estonia uses the equivalent of a 4 kWp system (9 panels). With 2.8 peak sun hours per day in Sillamäe, this covers most electricity needs. Use our calculator for a personalized estimate.