1
Inverter wattage cap
Germany / Austria / Netherlands / Belgium: 800 W since 2024. Switzerland: 600 W. UK: G98/G99 notification, no formal kit category. Most kits ship with 800 W inverters and panel oversize is allowed.
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Database
Balcony Solar
Plug-in PV kits for apartments and city dwellers. Renter-friendly, no installer required in most EU countries.
- 117
- kits tracked
🇪🇺 Cross-country comparison
Where does balcony solar pay back fastest?
Live ranking by payback time across 10 European countries.
Open ranking →
🗺️ City directory
60+ cities with PVGIS yield + payback
Berlin, Madrid, Paris, Warsaw, Rome and 55 others. Monthly profile, optimal vs vertical.
Browse cities →
📊 Kits comparison
All kits side-by-side, ranked by $/Wp
Sortable table with peak W, inverter, battery, mount type, country availability.
Open table →
🇩🇪 Germany
800 W inverter limit (raised from 600 W in 2024). MaStR-only registration. Tenants have a legal right to install (BGB §554). Open guide →
🇳🇱 Netherlands
800 W EU harmonised. Salderingsregeling ends 1 Jan 2027 — full netting drops to a 50%-of-import floor. Open guide →
🇬🇧 United Kingdom
No formal balcony regime. G98 covers the connection (≤ 16 A per phase). MCS gates SEG export payments — most kits earn nothing. Open guide →
🇮🇹 Italy
800 W plug-and-play since 2024. GSE comunicazione for surplus injection. PUN-linked Ritiro Dedicato pays ~7-12 c/kWh. Open guide →
🇦🇹 Austria
800 W since 2024. Per-DSO Anmeldung still required. €500 federal Klimaaktiv rebate stacks with state schemes. Open guide →
🇨🇭 Switzerland
Cantonal — typically 600 W Steckersolar. KEV cantonal-level, ~8-15 Rp/kWh. CHF-priced kits via Suisse Tec / Swissolar networks. Open guide →
🇧🇪 Belgium
800 W federal. Three-region split: Flanders digital meter, Wallonia prosumer tariff, Brussels still nets up to 5 kVA. Open guide →
🇫🇷 France
800 W plug-and-play recognised in 2024. CACSI declaration with Enedis. Wide north-south irradiance gap (Lille vs Marseille = 40% kWh gap). Open guide →
🇪🇸 Spain
800 W exempt regime under RD 244/2019. Highest irradiance in our coverage — 1500-1700 kWh/kWp/yr. Compensación simplificada credits surplus. Open guide →
🇵🇱 Poland
Net-billing since April 2022 (RCEm hourly market price). High retail tariff makes 70%-self-consumed balcony PV pay back in 3-4 years. Open guide →
Priwatt
priBalcony
- Panels
- 1
- Total W
- 450 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,694.52
Priwatt
priBalcony Duo
- Panels
- 2
- Total W
- 900 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,878.12
Priwatt
priBalcony Quattro
- Panels
- 4
- Total W
- 1800 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,629.72
Priwatt
priBalcony Trio
- Panels
- 3
- Total W
- 1350 W
- Inverter out
- 800 W
- Battery
- No
From$571.32
Priwatt
priFlat
- Panels
- 1
- Total W
- 450 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,705.32
Priwatt
priFlat Duo
- Panels
- 2
- Total W
- 900 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,338.12
Priwatt
priFlat Duo
- Panels
- 2
- Total W
- 900 W
- Inverter out
- 800 W
- Battery
- No
From$441.72
Priwatt
priFlat Duo Wattstone
- Panels
- 2
- Total W
- 900 W
- Inverter out
- 800 W
- Battery
- No
From$603.72
Priwatt
priFlat L
- Panels
- 1
- Total W
- 500 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,705.32
Priwatt
priFlat L
- Panels
- 1
- Total W
- 500 W
- Inverter out
- 800 W
- Battery
- Yes
From$808.92
Priwatt
priFlat Quattro
- Panels
- 4
- Total W
- 1800 W
- Inverter out
- 800 W
- Battery
- No
From$754.92
Priwatt
priFlat Quattro
- Panels
- 4
- Total W
- 2000 W
- Inverter out
- 800 W
- Battery
- No
From$722.52
Priwatt
priFlat Quattro L
- Panels
- 4
- Total W
- 2000 W
- Inverter out
- 800 W
- Battery
- Yes
From$2,266.92
Priwatt
priFlat Quattro L
- Panels
- 4
- Total W
- 2000 W
- Inverter out
- 800 W
- Battery
- Yes
From$1,273.32
Priwatt
priFlat Quattro Wattstone
- Panels
- 4
- Total W
- 1800 W
- Inverter out
- 800 W
- Battery
- No
From$1,176.12
Priwatt
priFlat Trio
- Panels
- 3
- Total W
- 1350 W
- Inverter out
- 800 W
- Battery
- No
From$582.12
Priwatt
priFlat Trio
- Panels
- 3
- Total W
- 1350 W
- Inverter out
- 800 W
- Battery
- Yes
From$2,083.32
Priwatt
priFlat Trio
- Panels
- 3
- Total W
- 1350 W
- Inverter out
- 800 W
- Battery
- No
From$592.92
Priwatt
priFlat Trio L
- Panels
- 3
- Total W
- 1500 W
- Inverter out
- 800 W
- Battery
- Yes
From$2,083.32
Priwatt
priRhomb
- Panels
- 1
- Total W
- 450 W
- Inverter out
- 800 W
- Battery
- Yes
From$798.12
Buying guide
How to choose balcony solar kits
Balcony solar (Steckersolar, plug-in PV) is a 1–4 panel kit with a microinverter that plugs into a standard wall socket. No installer, no permit in most EU countries, fully renter-friendly. Typical kit: 2 × 410 Wp panels + 800 W microinverter + Schuko plug, ~ €450–700.
Output: 600–900 kWh/year per kit in central Europe — about €150–250 savings annually at €0.30/kWh, payback 3–5 years. The unit feeds your home circuit; appliances draw it first, the rest goes to the grid (no compensation in most regimes).
What to look for
2
Schuko vs Wieland plug
Germany's VDE recommends Wieland (energy plug) for safety, but VDE-AR-N 4105 amendment now permits Schuko for ≤800 W. Both are legally compliant; Wieland is shock-safer if disconnected under load.
3
Mount type
Balcony rail mount, flat-roof ballast, ground stake, or shed. Tilted mounts (15–35°) yield 10–25% more than vertical balcony rail in summer.
4
Registration
DE: Marktstammdatenregister (free, online, 5 minutes). NL/AT: similar simplified registers. Failure to register can void your insurance — do it.
5
Battery option
Newer kits (EcoFlow Stream, Anker Solix Solarbank, Zendure SolarFlow) add a battery between panels and inverter — your evening loads get solar electricity stored from midday, lifting self-consumption from ~30% to ~70%.
6
Smart-meter requirement
DE: a digital meter (mME or Smart-Meter-Gateway) is mandatory; old Ferraris meters that spin backwards are not allowed. Utilities replace them free of charge.
Frequently asked
Is a balcony solar kit legal in my country?+
EU-wide it's legal up to 800 W under the NC RfG framework. Germany, Austria, Netherlands, Belgium, Italy, Spain explicitly allow it. UK has no formal category but G98/G99 notification works. US is patchwork — Utah HB 340 (2025) allows ≤1.2 kW; most other states require permits and licensed install.
How much will a balcony kit save me per year?+
An 800 W kit produces 600–900 kWh/year in central Europe. At €0.30/kWh that's €180–270 saved if you self-consume all of it. Realistic self-consumption without a battery is 60–80%, so net savings are typically €120–200/year.
Do I need an electrician?+
Not in most EU countries for ≤800 W kits with VDE-certified microinverters. You plug into a normal Schuko socket. The mount installation is mechanical work you can do yourself if your balcony has suitable rail or rooftop access.
Can I take my balcony kit when I move?+
Yes — that's the main appeal for renters. The kit unmounts in 15 minutes, no holes in the wall (with rail clamps), and you re-register at the new address.
Will the meter run backwards?+
Modern smart meters (mME, Smart-Meter-Gateway in Germany) prevent backwards counting and properly record export. Old electromechanical Ferraris meters that do spin backwards are no longer permitted with PV — the utility will replace them free.