Inverters

SMA Sunny Tripower 8.0 / 10.0

£ 1,912.53GBP · price may vary

Model: STP-8.0-3AV-40
Specifications: 13

Power Rating8000W
MPPT Trackers2
PhasesThree phase
ConnectivityWi-Fi, Ethernet
ConnectionSunclix (solar), Connector (AC)
View all 13 specifications ↓

Overview

The Sunny Tripower 3-phase 8.0kW–10.0kW inverters ensure maximum energy yields. This inverter combines the integrated SMA Smart Connected service with intelligent technology for all ambient conditions. Thanks to its extremely light design, the device can be installed quickly and easily. The Sunny Tripower can be commissioned quickly via smartphone or tablet thanks to its integrated web interface. For specific requirements on the roof, such as shading, SMA ShadeFix maximizes the PV system’s yield. Current communication standards make the inverter future-proof, meaning intelligent energy management solutions as well as SMA storage solutions can be flexibly added anytime. Integrated SMA Smart Connected service Integrated shade management with SMA ShadeFix Free online monitoring via Sunny Portal Dynamic active power limitation Warranty: 5 years - extended to 10 years free of charge on registration

Specifications

Power Rating	8000W
MPPT Trackers	2
Phases	Three phase
Connectivity	Wi-Fi, Ethernet
Connection	Sunclix (solar), Connector (AC)
Height	497
Width	460
Depth	176
Weight (kg)	25
Warranty	10*
Certification	G98
IP Rating	IP65
On Grid / Off Grid	On Grid, Off Grid*

What these specifications mean

SMA Sunny Tripower 8.0 / 10.0 is listed with 13 published specifications from SMA, including power rating of 8000W, MPPT trackers of 2, phases of Three phase and connectivity of Wi-Fi, Ethernet. Those figures are what decide whether this unit fits your system, so read them against the equipment it will connect to before comparing price.

For an inverter, the figures that matter most are surge or peak rating, which covers the brief inrush of motors and compressors, maximum PV input and the number of MPPT trackers, which set how many panel strings you can connect, the MPPT voltage window, which decides how many panels go in a string and peak and weighted (European/CEC) efficiency, typically 96–98.5%. It is the component that decides what a solar system can do: how much power you can draw at once, whether you can export to the grid, whether the system keeps running in a blackout, and how well the panels and battery are managed day to day.

Choosing an inverter: the checks that matter

The checks below apply to any inverter. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.

Match the battery communication protocol (CAN bus or RS485) between inverter and battery. Compatible voltages are not enough; without a supported protocol the battery management system and inverter cannot agree on charge limits.
Look at the warranty term and what it covers. Five years is the common baseline, ten is offered by stronger brands, and extensions are often cheaper bought with the unit than later.
Size the inverter against the loads you need to run simultaneously, not against the total wattage of every appliance in the building — a 5 kW inverter comfortably runs a fridge, fans, lights and a couple of ACs, but not all of them plus a water pump starting at the same time.
Keep the panel array between roughly 1.0 and 1.3 times the inverter's rating. Slight oversizing (a higher DC-to-AC ratio) captures more energy on cloudy mornings and winter days; going far beyond it wastes generation through clipping.

Common mistakes

Overlooking the IP rating. An outdoor installation needs at least IP65; indoor-rated units mounted outside fail early.
Buying on peak-watt price alone. A cheap inverter with a narrow MPPT window forces awkward string layouts and can strand a portion of the array.
Ignoring the ambient temperature rating. Inverters derate in heat, so a unit rated 5 kW at 25 °C may deliver noticeably less on a hot roof-adjacent wall at 45 °C.

Price and availability in United Kingdom

SMA Sunny Tripower 8.0 / 10.0 is listed at £ 1,913 (GBP) for United Kingdom. Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.

SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in United Kingdom: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports SMA locally before ordering.

SMA Sunny Tripower 8.0 / 10.0 — frequently asked questions

How much does SMA Sunny Tripower 8.0 / 10.0 cost?

SMA Sunny Tripower 8.0 / 10.0 is listed at £ 1,913 (GBP) for United Kingdom. The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.

What are the specifications of SMA Sunny Tripower 8.0 / 10.0?

We hold 13 published specifications for this inverter, including power rating 8000W, MPPT trackers 2, phases Three phase, connectivity Wi-Fi, Ethernet and connection Sunclix (solar), Connector (AC). The full table is on this page, listed under model STP-8.0-3AV-40.

Who makes SMA Sunny Tripower 8.0 / 10.0?

SMA Sunny Tripower 8.0 / 10.0 is a SMA product, listed under inverters with model reference STP-8.0-3AV-40. The SMA brand page lists the rest of its range so you can compare across the catalogue.

Is SMA Sunny Tripower 8.0 / 10.0 right for my system?

That depends on what it has to connect to. For an inverter, check topology — on-grid, off-grid, hybrid or micro, continuous AC output in kW, which caps the load you can run at once and surge or peak rating, which covers the brief inrush of motors and compressors against the rest of your equipment before price enters the decision. Confirm the inverter is approved by your local utility or distribution network before you buy if you intend to export power — grid connection depends on certified anti-islanding and local grid-code compliance, not on the inverter's specifications alone.

Where can I buy SMA Sunny Tripower 8.0 / 10.0 in United Kingdom?

SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer in United Kingdom — buying in-channel is what keeps the manufacturer's warranty valid.

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