The top five suppliers – SMA Solar, Power-One, Kaco New Energy, Fronius and RefuSOL – all held onto their market ranking last year.

However, the biggest market gainers were all outside the top 10, with start-ups like Enphase Energy, SolarEdge, Advanced Energy and Emerson all notching up significant gains at the expense of the industry stalwarts.

And the competition will only intensify over the next five years as customers buy more inverters for ever lower prices.

Inverter