RE: Value of RTB renewable projects.3 Sep 2025 19:36
"For renewable energy projects, Ready-to-Build (RTB) values are typically benchmarked in euros per megawatt (β¬/MW) or megawatt-peak (β¬/MWp), reflecting the project's capacity. These values vary significantly based on the technology, location, and specific project characteristics, as well as broader market conditions.
Valuation benchmarks by technology and region
Solar PV
Valuation metrics for solar projects are often expressed in β¬/MWp, where "peak" capacity accounts for optimal sunlight conditions.
Western Europe (H1 2024 averages):
France: β¬157,500/MWp
United Kingdom: β¬140,000/MWp
Ireland: β¬130,000/MWp
Germany: β¬119,100/MWp
Southern Europe (2024 averages):
Portugal: β¬175,000/MWp
Italy: β¬127,500/MWp
Greece: β¬106,300/MWp
Spain: β¬97,500/MWp
CEFTA & Eastern Europe (2024 averages):
Hungary: β¬155,000/MWp
Poland: β¬148,300/MWp
Bosnia & Herzegovina: β¬122,500/MWp
Romania: β¬99,900/MWp
North America (H1 2024 average):
β¬83,200/MWp
Onshore and offshore wind
The value per MW for wind projects is influenced by factors like location, grid access, and government support schemes. A mid-stage offshore wind project, for example, could be valued in the range of β¬50,000 to β¬150,000 per MW.
Battery Energy Storage Systems (BESS)
BESS projects are valued for their ability to provide grid stability and store excess energy.
United Kingdom (H2 2024 transaction range): β¬55,000ββ¬73,216/MW
Germany (H2 2024 transaction range): β¬45,000ββ¬62,500/MW
Key factors that influence RTB valuations
Several factors can cause project-specific valuations to differ from regional averages:
Grid connection costs and timelines: Secure and timely grid connection is a primary value driver. In the UK, for example, access to the grid is a critical factor leading to wide transaction ranges, as projects with secured connections command premium prices.
Permitting and regulatory environment: The stability and predictability of a country's regulatory policies and incentive schemes, such as Power Purchase Agreements (PPAs) or tax credits, have a major impact on a project's cash flow and investor confidence.
Location and resource quality: The specific site's energy resource potential is a fundamental determinant of value. This includes solar irradiance for PV projects or consistent wind speeds for wind projects.
Technology and market maturity: The maturity of the market and the technology used influence perceived risk. Mature markets like Germany often see more conservative valuations, while growth-phase markets like Ireland may offer scarcity value for quality assets.
Supply and demand: Market dynamics can cause significant fluctuations. High investor demand can drive up prices, while intense competition can lower them.
Offtake arrangements: Long-term revenue certainty, often provided by PPAs, reduces risk and increases a project's value. The credibility of the offtaker and contract length are significant valuation input