Europe's first solar energy focused ETF to launch in London in June “The Solar Energy UCITS ETF ‘TANN’ provides a more focused opportunity than simply looking at clean energy.” Europe’s first Solar Energy UCITS ETF (LON:TANN) will be launched in June on the HANetf platform and list on the LSE. TANN is aiming to tap into one of the fastest sources of new energy with forecasts pointing to US$4.2trn of new solar capacity investment through 2050. Already one of the cheapest sources of clean energy, costs are forecast to continue to decline as technology improves with TANN to rack the EQM Global Solar Energy Index (SOLARNTR).