Home›🇪🇪 Estonia›Solar Calculator Estonia

🇪🇪 Solar Calculator Estonia

Enter your monthly electricity bill and Estonian city — get solar system size, KredEx apartment reconstruction subsidy, Elering net metering at spot price, and payback period for northern latitude conditions.

Your electricity details
€EUR
Solar system results — Estonia
5 kWp system — 818 kWh/kWp/yr
Monthly kWh usage545 kWh/mo
Annual solar production4088 kWh/yr
Self-consumption savings€405/yr
Elering spot export income (~5c/kWh)€112/yr
Total annual benefit€517/yr
System cost range€5500 – €7500
Net cost€6500
Payback period12.6 years
25-year net savings€6428
Northern latitude note: Estonia (57°–59°N) has significantly less winter solar production than southern Europe. Annual kWh/kWp are lower than central European averages. However, Estonia's high electricity prices (~€0.22/kWh) partially compensate. Maximize system tilt (40°–45°) and south-facing orientation for best annual yield.
Link copied to clipboard

How to Use This Calculator

Enter your monthly bill and city

Enter your average monthly electricity bill in Euro. Estonian electricity prices are linked to the Nord Pool spot market and can vary significantly — use your 12-month average bill for the most accurate calculation. Select your city — Pärnu (3.0 PSH) on the western coast is Estonia's sunniest area, while Kohtla-Järve (2.7 PSH) in the industrial northeast receives the least solar radiation. Estonia's northern latitude (57°–59°N) means lower annual production than central or southern Europe.

Set system size and KredEx eligibility

Select your system size in kWp. For Estonian conditions, 4–6kWp is typical for residential homes, with summer production providing the bulk of annual yield. KredEx (now merged with EAS into the Estonian Business and Innovation Agency) offers reconstruction grants for apartment buildings that may include solar components. Check kredex.ee for current programme eligibility and grant amounts — we model a representative €1,500 benefit.

Elering net metering at spot price

In Estonia, surplus solar electricity is fed to the grid through Elering (the transmission system operator) and compensated at the Nord Pool spot market price — typically around 4–6 cents/kWh, significantly below the retail rate. This makes maximizing self-consumption critical: electricity consumed directly from your panels saves ~€0.22/kWh retail, while exports earn only ~€0.05/kWh. Battery storage has a particularly strong case in Estonia to capture summer surplus for evening use.

The Formula

Monthly kWh = Monthly Bill ÷ €0.22/kWh (blended EE retail rate) Annual production = kWp × PSH × 365 × 0.80 efficiency Self-consumption = Annual kWh × 45% Self-consumption savings = Self-consumed kWh × €0.22/kWh retail Elering export income = Exported kWh × €0.05/kWh (Nord Pool spot) System cost = kWp × €1,100–1,500/kWp KredEx subsidy = €1,500 (representative; verify at kredex.ee) Net cost = System cost − KredEx subsidy Payback = Net cost ÷ Annual benefit (typically 8–11 years in EE)

Estonia's solar regulation falls under the Electricity Market Act (Elektrituruseadus). Net metering is handled through Elering at spot market rates. The Estonian Climate Investment Fund and KredEx/EAS jointly administer reconstruction subsidies. Given Estonia's northern latitude, systems benefit from optimizing panel tilt (40°–45°) and ensuring minimal shading, particularly avoiding north-facing orientations. Summer months (May–August) provide the majority of annual production.

Example

Kalle — Tartu family home, 4kWp

Kalle pays €100/month in Tartu. He installs a 4kWp system on his south-facing roof.

Monthly bill€100
City / PSHTartu, 2.9 PSH
System size4 kWp
KredEx subsidyWithout

Result

Annual production~3,387 kWh/yr
Production per kWp~847 kWh/kWp/yr
Self-consumption savings~€336/yr
Elering spot export income~€93/yr
Total annual benefit~€429/yr
System cost~€5,200
Payback~12.1 years
25-year net savings~€5,525

Tartu's 2.9 PSH reflects Estonia's northern latitude challenge — producing around 847 kWh/kWp/yr, significantly less than Mediterranean countries. However, Estonia's relatively high electricity prices (~€0.22/kWh) help the economics. Adding a KredEx grant or a small battery improves the payback meaningfully. Note: summer months produce up to 4x more than winter months at this latitude.

FAQ

Solar is viable in Estonia despite the northern latitude challenge. Payback periods of 8–11 years are typical for residential systems — longer than southern Europe but still within the 25-year panel warranty period. Estonia's high electricity prices (~€0.22/kWh, spot-linked) help the economics. Pärnu (3.0 PSH) is Estonia's sunniest location. The economics improve significantly if you have a summer cottage with high summer consumption, or can add battery storage to shift self-consumption.
In Estonia, surplus solar electricity is sold to the grid through Elering (AS Elering, the transmission system operator) at the Nord Pool spot market price — typically 4–6 cents/kWh. This is much lower than the retail electricity rate (~22 cents/kWh), making self-consumption critical. You need a bidirectional (two-direction) smart meter installed by your distribution network operator (Elektrilevi or Imatra Elekter). Registration takes 1–3 months after commissioning.
KredEx (now part of the Estonian Business and Innovation Agency, merged with EAS) offers the Apartment House Reconstruction Grant programme, which supports energy efficiency improvements including solar PV installation in apartment buildings. Grant amounts and eligibility criteria vary by programme round. Individual homeowners may also access energy efficiency loan products. Visit kredex.ee or eif.ee for current programme terms and application periods.
Pärnu (3.0 PSH) on Estonia's western coast is the sunniest location, benefiting from lower cloud cover and sea influence. Tartu (2.9 PSH) in southeast Estonia follows. Tallinn and Narva (2.8 PSH) are average. Kohtla-Järve (2.7 PSH) in the northeast industrial region receives the least solar radiation. Even at 3.0 PSH, Estonia produces significantly less solar energy per kWp than Spain (5+ PSH) or Germany (3.4–3.8 PSH).
Yes — battery storage makes more sense in Estonia than in southern Europe. Because Elering pays only spot price (~5c/kWh) for exports while retail rate is ~22c/kWh, there is a large incentive to self-consume surplus. In summer, Estonian solar systems produce significantly more than households consume during daylight hours. A battery captures this surplus for evening use, boosting self-consumption from ~45% to ~70%+, meaningfully shortening payback. Typical home battery sizes: 5–10 kWh.

Related Calculators

☀ Solar Panel Calculator
Universal panel sizing from daily kWh and location.
🔋 Solar Battery Calculator
Size a home battery — especially valuable in Estonia.
🏠 Self-Consumption Calculator
Optimize solar self-consumption rate and strategy.
⏳ Solar Payback Calculator
Detailed payback period and ROI calculation.

Embed This Calculator

Free to embed on your website. Just copy this code:

<iframe src="https://solarsizecalculator.com/ee/solar-calculator-estonia"
  width="100%" height="700" frameborder="0"
  title="Estonia Solar Calculator"></iframe>