Record energy investments are failing to keep the world on track for the 2030 renewables target

Arnaud de Giovanni, EY Global Renewables Leader, says:

"Scaling up battery energy storage systems can help solve multiple problems holding up clean energy progress, including stabilizing and strengthening network infrastructure and enabling more distributed energy resources to connect to the grid. Focusing on four factors can help investors navigate this complex, highly regionalized and fast-changing market. These include building a resilient investment case; taking steps to maintain technology competitiveness; establishing the optimal business model or financing structure; and mitigating supply chain risks."

New EY battery storage ranking reveals top markets for investment

As renewables proliferate and electrification grows, BESS will play a key role in a dynamic energy system by smoothing supply and demand peaks and helping defer the cost of grid expansion and upgrades. The US, bolstered by a 30% tax credit under the Inflation Reduction Act, takes the top spot in the new EY ranking of the world's most attractive markets for BESS investment. China with strong government support, subsidies and plans to reduce BESS costs by 30% by 2025, is a close second. And the UK, with its sophisticated energy market design and a new energy bill that classifies BESS as a generation asset, rounds out the top three. A fourfold increase in global BESS deployment is forecast from 2023 to 2030, reaching 572 GW/1,848 GWh.

Ben Warren, EY RECAI Chief Editor, says:

"Investor interest in BESS is on the rise. To help cut through the complexity, EY has identified and ranked the attractiveness of the world's top global battery investment markets. But this isn't an easy market to master. BESS investments are a long-term commitment; they are also highly localized and carry more risk than some other clean energy investments. Success requires understanding the dynamic interaction of regional variations, electricity market design, technology and financing — as well as an acceptance of volatility."

Top positions in the RECAI index are retained by mature markets

In this edition of RECAI, the top spots are retained by the US (1^st position), China (2^nd position) and Germany (3^rd position) where investors are attracted to both clear demand for renewables and established value for projects. Grid constraints in Spain (12^th position) have seen the market drop out of the top 10 with Canada (9^th position) and Japan (10^th position) moving in, off the back of clear intent to maximize the potential of offshore wind. Big movers in the Index include Belgium, which has moved up four spots to 17^th, as it plans to triple its offshore wind capacity by 2040.  Argentina, which is now in 26^th, up three spots due to the new government's commitment to re-energize the economy. Changes to solar feed-in tariffs have seen Vietnam (39^th position) fall six places.

Smaller economies create attractive alternatives for potential investors

In the normalized index, Denmark holds on to the top spot. Greece (+1), Chile (+2), and Finland (+3) climb up the ranking of smaller economies to 2^nd, 3^rd, and 7^th positions respectively, driven by ambitious energy transition plans and attractive government incentives. Greece has doubled its renewable energy capacity in the last four years, Chile's renewables sector is set to double in the next decade, and Finland has set ambitious targets of becoming Europe's first carbon negative economy, creating new opportunities for potential investors.

To view the RECAI Top 40 in full, the normalized RECAI ranking and the corporate power purchase agreement index, as well as analysis of the latest renewable energy developments across the world, visit ey.com/recai.

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