Why are the Saaremaa and Häädemeeste wind farm Baltic projects not normal EU tenders?

Public tendering rules must amply to all larger projects and this is made very clear here: https://europa.eu/youreurope/business/selling-in-eu/public-contracts/public-tendering-rules/index_en.htm

On 30 September 2020, the energy ministers of Poland, Denmark, Estonia, Finland, Lithuania, Latvia, Germany and Sweden, along with representatives of European Commission signed the “Baltic declaration for offshore wind energy”. Read here. https://renews.biz/63888/van-oord-invests-in-baltic-offshore-wind-player/