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."
The Half a Game initiative is currently sweeping across Wales and proving a major success. The scheme aims to give every young player at least half a game every weekend. WRU TV recently visited a festival in Narberth where clubs have fully embraced the initiative.
Both Bargoed and Swansea were seeking their first win of the Principality Premiership season this afternoon. It proved a fruitful day for the hosts - not only did they win, but Bargoed claimed a try bonus point.
Cardiff managed to keep their unbeaten record at home intact, but only just as Bridgend made them work extremely hard before the Blue and Blacks secured a hard fought Principality Premiership win at the BT Sport Arms Park last night.
Former Wales back row Andy Powell gives a guided tour of The Wern, home of Merthyr RFC, who are determined to prove a lot of people wrong and make their mark in their first season in the Principality Premiership.
Wales Sevens head coach Gareth Williams looks back on the Rio Sevens success where he helped GB win silver. He believes the successful campaign is a huge boost to his Welsh squad as they prepare for another World Series, as WRU TV's Graeme Gillespie discovers
British and Irish Lions head coach Warren Gatland will be heading back home to take on the All Blacks next year where for him, success for 2017 is all about going to New Zealand and winning a Test Series.
Last week all roads led to Eugene Cross Park where defending champions Ebbw Vale hosted this season's launch of the Principality Premiership. WRU TV's Graeme Gillespie was there to capture the thoughts of Damien Hudd, captain of Ebbw Vale, and WRU Head of Performance, Geraint John.
Llandovery made it three in a row when they defeated Aberavon in the final of the National Foster's 7s at BT Sport Cardiff Arms Park on Sunday. On another eventful day of sevens, Newport claimed the Plate and the Dragons won the women's crown
Last week saw Cardiff welcome players from around the world for the 21st Golden Oldies Festival. The tournament features players over 35 years of age, and this year's event saw a select few represent the WRU in a 'friendly' against the Wooden Spoon.
Wales Under 18 captain Callum Bradbury is delighted to have seen his side claim a narrow 18-17 victory against a strong SA Schools 'A' side to end the three-match Under 19 International Series in South Africa on a high note.