Green Energy 2026: Storage Is the Last Piece of the Puzzle

Bottom line: PV modules and lithium cells bottomed in 2024-2025. The value chain in green energy is migrating from "generation" to "storage and grid." Storage is the last piece of the new power system and the most durable structural opportunity for 2026-2028.

1. Background: From "generation revolution" to "grid revolution"

Over the past decade the green-energy value chain completed the first phase — cost collapse plus exponential capacity growth. As of end-2025:

• Global PV cumulative capacity crossed 2,200 GW; China accounts for 45%.
• Module ASP fell from CNY 1.8/W (2020) to CNY 0.62/W (2025).
• EV pack prices below USD 100/kWh; storage cell prices at CNY 0.3/Wh.
• PV LCOE is lower than all fossil generation.

Bottom line: the generation side is fully commoditized. The bottleneck has shifted from "we can't build cheap enough" to "we can't deliver or absorb what we've built."

2. Why storage is the last piece

Renewables' natural volatility (intraday PV, seasonal wind) vs. 24×7 grid demand creates a structural mismatch. Storage is the primary tool to close the gap:

1. Generation-side storage: PV+storage, wind+storage smoothing;
2. Grid-side storage: frequency regulation, peak shaving, reserve;
3. Customer-side storage: residential, C&I, V2G.

Demand outlook

3. Re-rating the value chain

3.1 System integrators (top pick segment)

System integration is the highest-moat, fastest-consolidating link. Overseas markets demand local service, safety certification, and EPC — an area where Chinese leaders are advantaged.

• Sungrow: ~15-18% global share;
• Huawei Digital Power: rapid EU / ME / AU penetration;
• Tesla Megapack: continued mega orders in North America.

3.2 Cell and battery leaders

• CATL: ~40% global share in storage cells;
• BYD: dual engine of EV + storage;
• EVE Energy, REPT: structural beneficiaries.

3.3 PCS and BMS

Sungrow, Kehua, Kstar lead in PCS; BMS is a fragmented market.

3.4 Grid equipment upgrade

UHVDC, flexible DC, smart meters, SVG demand all accelerate.

4. Economics: is storage profitable now?

Historically storage IRR sat below 8%. That has improved materially in 2024-2025:

• China: spot-market peak-valley spread reaches CNY 0.8-1.2/kWh in Shandong / Guangdong / Jiangsu; storage IRR crosses 10%.
• US: ITC + capacity markets deliver 12-14% IRR.
• Europe: residential payback compresses from 8 years to 4-5; standalone storage enters profitability.
• Middle East: NEOM (KSA), Masdar (UAE) sign PPAs at reasonable price levels.

5. Monitor

• Storage cell price (CNY/Wh);
• System EPC unit price (CNY/Wh);
• Policy: ITC, capacity subsidies, grid-code updates;
• Peak-valley spread and frequency-regulation service prices by region;
• Leaders' quarterly shipments (GWh) and order backlog.

6. Risks

• Extended price war: cell price freefall could compress mid-stream margins.
• Policy shifts: US IRA revisions, EU CBAM, China power-market reform pace.
• Safety incidents: storage fires trigger regulatory tightening.
• Competition: Korean, Japanese, and US domestic players ramping investment.

7. Conclusion

2026-2028: value in the green-energy chain migrates from generation to storage and grid. Our top three directions:

1. Storage system integrators (Sungrow, Huawei);
2. Grid-scale cells (CATL, BYD, EVE);
3. Grid equipment and flexible DC (NARI, XJ Electric, Sieyuan).

With materially better IRRs and localization tailwinds from geopolitics, the window for Chinese leaders to go global is opening.