Recently, I’ve been looking into the energy transition, and I’ve found that concept stocks related to energy storage systems are definitely worth paying attention to. As global pressure to achieve net-zero carbon emissions keeps growing, along with the widespread adoption of electric vehicles and the large-scale deployment of wind and solar power, energy storage has shifted from a peripheral topic to a core part of the energy industry.

Simply put, concept stocks for energy storage systems are those publicly listed companies that manufacture batteries, do system integration, provide power equipment, or supply upstream materials. The industry chain is long, and there are plenty of opportunities.

Let’s start with battery manufacturing. On the U.S. market, Tesla is not only strong in electric vehicles—its energy products such as Megapack and Powerwall are globally leading, with a market value of $1.49 trillion. Enphase Energy has a high penetration rate in residential energy storage in the U.S., and QuantumScape, which focuses on solid-state batteries, is moving from research and development to mass production. In Taiwan, companies such as New Shengli and Chang Yuan Technology have expertise in lithium batteries and lithium iron phosphate materials.

System integration is also crucial. Fluence Energy is a global leader and a joint venture between Siemens and AES. Stem uses AI software to automatically determine the timing for charging and discharging. Generac performs well in integrating residential backup power systems. In Taiwan, Delta Electronics is the strongest integrator—providing a one-stop solution from power conversion to energy management. Chung Hsing Electric has a high market share in the frequency regulation market of Taiwan Power Company (Taiwan Power Company). Sunways Energy provides an end-to-end service for green energy.

Next comes the integration of power equipment and renewable energy. NextEra Energy is the world’s largest renewable energy operator. Vistra Corp has converted old thermal power plants into the largest energy storage hub in the U.S., and Eaton supplies power distribution infrastructure. In Taiwan, Huacheng is a leading transformer manufacturer. Elion’s distribution boards and inverters are strong, and over the past few years, Shihdian has accelerated its layout in green energy and charging piles.

We also can’t ignore the upstream materials supply chain. Albemarle is the world’s largest lithium miner. Freeport-McMoRan operates copper mines. Taiwanese companies such as Formosa Plastics, Sanxing, Compu, and Mikiema have involvement in areas including electrolytes, graphene, and cathode materials.

So why look at energy storage system concept stocks now? According to BloombergNEF forecasts, by 2030 global cumulative energy storage installations will exceed the terawatt-hour scale, mainly provided by lithium-ion batteries. In the UK, wind power supplied 32.4% of electricity in the first three months of 2023, but wind power output is unstable, and even negative electricity prices occurred in the early morning—this is why energy storage facilities have become indispensable.

Personally, I believe that with the widespread adoption of electric vehicles and the potential for AI to significantly increase electricity demand, the long-term demand for energy storage systems should remain quite stable. In addition, these investments are largely led by governments, with high policy transparency and strong predictability, so the outlook for energy storage system concept stocks is relatively stable and upward.

However, it’s important to remind everyone that not all companies have competitive technology. If a new company cannot achieve break-even over the long term, its stock price will face tremendous pressure. So it’s crucial to be cautious when selecting stocks, stay attentive to your holdings, and manage risk—these are very important.

The path toward net-zero carbon emissions will continue to receive sustained investment from countries for a long time. Every time a policy is announced, it may stimulate the market, and investors can seize opportunities. But remember: in high-tech fields, R&D efforts don’t always end up translating into marketable profits. Once a reversal happens in fundamentals or technology, your discipline and risk-control capabilities are ultimately the key to whether you can profit.