The record-breaking 420,000 sum is the biggest ever shirt sponsorship deal in Welsh rugby below the national team.
Npower renewables have been unveiled as the official sponsor, plowing a record-breaking 300,000 into the region over the next two years.
And today Ospreys skipper Barry Williams unveiled the new look Ospreys shirt emblazoned with the npower renewables brand logo, alongside fellow Ospreys and Wales stars Gavin Henson and Ryan Jones.
Mike Cuddy, joint managing director of the Ospreys was glad to seal the lucrative deal with such an innovative company.
"We are very pleased to secure such a lucrative sponsorship deal for the Ospreys and
to work with npower renewables, who are an innovative company, leading the way in green energy in the UK."
And Kevin McCullough, Managing Director of npower renewables said the feeling was mutual and they were excited to be sponsoring "the leading team in Wales".
"We are delighted that the first major npower renewables sports sponsorship deal will be with the Ospreys," said McCullough.
"They are the premier team in Wales and have a growing fan base throughout the South West Wales area. We were attracted to the sponsorship because of the team's outstanding performance over the last season and reputation as the leading team in Wales."
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series