주택용 태양에너지 : 시장 점유율 분석, 업계 동향 및 통계, 성장 예측(2026-2031년)

According to Mordor Intelligence, the residential solar energy market size was valued at 0.43 Thousand gigawatt in 2025 and estimated to grow from 0.53 Thousand gigawatt in 2026 to reach 1.45 Thousand gigawatt by 2031, at a CAGR of 22.47% during the forecast period (2026-2031).

This report is Segmented by Technology (Monocrystalline PERC, N-Type TOPCon/HJT, and More), Installation Type (Rooftop-Mounted PV and Building-Integrated Solar Roof Tiles), Grid Type (On-Grid, Off-Grid, and Hybrid), and Geography (North America, Europe, Asia-Pacific, South America, and Middle East and Africa). The Market Sizes and Forecasts are Provided in Terms of Installed Capacity (GW).

Global Residential Solar Energy Market Trends and Insights

Declining Module & BOS Costs

Module prices slid below USD 0.20 per W in 2024 and are tracking toward USD 0.15 per W by 2027, anchored by China's ongoing factory expansions that unlock economies of scale. Coupled with 26.5% production efficiencies now possible in N-type TOPCon lines, higher-power modules shrink array footprints and reduce mounting hardware and labor needs. Inverter unit costs fell another 15% last year, while standardized wiring kits trimmed soft costs. The aggregate impact lowers the levelized cost of electricity beneath residential tariffs that apply to more than 60% of global households, turning rooftop solar from a premium add-on into a mainstream household appliance. Elevated efficiency also prolongs roof-space relevance, a critical advantage for urban homes with limited surface area. JinkoSolar's 56 GW Shanxi facility underscores how large-scale manufacturing continues to compress prices.

IRA-Style Incentive Waves Spreading Beyond the US

The United States' 30% federal investment tax credit catalyzed parallel programs worldwide. Europe's REPowerEU earmarked EUR 210 billion for renewables, while Germany re-introduced feed-in tariffs and scrapped VAT on solar hardware to jump-start rooftop adoption. Japan now offers JPY 70,000 per kW for storage-paired arrays, and Australia's Victoria Solar Homes rebate provides AUD 1,400 per household. Policymakers structure these incentives to phase down in tandem with falling equipment costs, borrowing the US blueprint of gradually converting subsidies into market-based economics. The synchronized policy wave accelerates installation volumes today and creates future headroom for unsubsidized growth once parity is achieved. As incentives spread, installers enter new regions with proven finance and supply-chain models, reinforcing scale benefits that feed back into cost decline.

Volatile Interest-Rate Environment Inflating Customer Acquisition Costs

Rapid monetary tightening lifted 30-year solar-loan coupons from 4.5% in 2022 to 7.8% in 2024, eroding the consumer value proposition for financed systems. Lenders responded by raising down-payment thresholds, tightening credit filters, lengthening sales cycles, and pushing customer acquisition costs up 35%. Market segments reliant on long-tenor loans, including many first-time buyers, deferred purchases, especially in regions where electricity tariffs are moderate. Larger installers secure lower rates via securitizations, but smaller contractors lack similar funding breadth, narrowing competitive diversity. Until rate volatility subsides, cash sales and leases regain temporary attractiveness, altering product mixes and stressing dealer working capital.

Other drivers and restraints analyzed in the detailed report include:

1. Spike in Retail Power Prices & Grid-Outage Anxiety
2. EV-Charger-Ready Home Energy Ecosystems
3. Sudden Net-Metering Policy Roll-Backs

For complete list of drivers and restraints, kindly check the Table Of Contents.

Segment Analysis

Monocrystalline PERC modules dominated the residential solar energy market share with 83.32% in 2025, but N-type TOPCon shipments are forecast to post a 23.86% CAGR through 2031 as efficiency gains translate into higher roof-level energy density. This shift broadens the residential solar energy market size for premium-priced products that add generation without expanding the array footprint.

Manufacturers pivot to TOPCon to defend margins in an increasingly commoditized PERC landscape. Unit-cost convergence-helped by higher throughput and better wafer yields-allows TOPCon to approach PERC pricing while adding 1-2 percentage points of efficiency to shorten payback periods materially in space-constrained urban dwellings. JinkoSolar's record 33.24% perovskite-tandem result underscores the pathway to future gains and solidifies TOPCon as the mainstream platform for next-generation cell architectures. While thin-film and polycrystalline alternatives persist in niche roles, TOPCon now anchors the premium tier and guides long-run R&D roadmaps for module makers.

Complete Report Scope:

• By Technology
  • Monocrystalline PERC
  • N-type TOPCon/HJT
  • Polycrystalline
  • Thin-film (CdTe, CIGS)
  • Emerging Perovskite Tandems
• By Installation Type
  • Rooftop-mounted PV
  • Building-integrated solar roof tiles
• By Grid Type
  • On-grid
  • Off-grid
  • Hybrid (PV + Storage + Grid)
• By Geography
  • North America
    • United States
    • Canada
    • Mexico
  • Europe
    • United Kingdom
    • Germany
    • France
    • Spain
    • Nordic Countries
    • Russia
    • Rest of Europe
  • Asia-Pacific
    • China
    • India
    • Japan
    • South Korea
    • Malaysia
    • Thailand
    • Indonesia
    • Vietnam
    • Australia
    • Rest of Asia-Pacific
  • South America
    • Brazil
    • Argentina
    • Colombia
    • Rest of South America
  • Middle East and Africa
    • United Arab Emirates
    • Saudi Arabia
    • South Africa
    • Egypt
    • Rest of Middle East and Africa

Geography Analysis

North America retained 34.62% of the global residential solar energy market revenue in 2025, buoyed by sophisticated financing and mature installer networks. Last year, securing loan vehicles totaling over USD 3 billion signaled institutional faith in rooftop cash-flows. Even so, the pending elimination of the federal tax credit and spreading net-metering reforms create strategic urgency for households to install before incentives lapse, sustaining near-term volume despite policy uncertainty.

Asia-Pacific is projected to deliver the fastest 28.65% CAGR, expanding the regional residential solar energy market size through rapid urbanization, rising electricity tariffs, and proactive decarbonization goals. China capitalizes on domestic manufacturing dominance to deploy high-density arrays in tier-one cities, while India's streamlined interconnection rules open residential segments previously hindered by bureaucracy. Japan emphasizes storage-paired rooftops to bolster earthquake resilience, subsidizing hybrid systems that promise backup power during grid interruptions.

Europe's outlook remains resilient as REPowerEU funds cascade into member-state programs that remove VAT and fine-tune feed-in tariffs. Germany's policy reset revived household demand, and Spain's abundant irradiation pairs with regulatory stability to sustain installations. Nordic countries, facing winter irradiance dips, are early adopters of seasonal storage solutions. Across the bloc, traceability mandates elevate suppliers able to verify non-Xinjiang polysilicon sourcing, shaping procurement decisions and nudging the residential solar energy industry toward diversified supply chains.

1. Sunrun Inc.
2. Tesla Energy
3. SunPower Corp.
4. Enphase Energy
5. SolarEdge Technologies
6. Trina Solar
7. JinkoSolar
8. Canadian Solar
9. LONGi Green Energy
10. JA Solar
11. Hanwha Q Cells
12. REC Group
13. First Solar
14. Panasonic Energy
15. SMA Solar Technology
16. Fronius International
17. ABB Power Conversion
18. GoodWe Technologies
19. Fronius International
20. LG Energy Solution (ESS)

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support

TABLE OF CONTENTS

1 Introduction

• 1.1 Study Assumptions & Market Definition
• 1.2 Scope of the Study

2 Research Methodology

3 Executive Summary

4 Market Landscape

• 4.1 Market Overview
• 4.2 Market Drivers
  • 4.2.1 Declining module & BOS costs
  • 4.2.2 Inflation Reduction Act-style incentive waves spreading beyond the US
  • 4.2.3 Spike in retail power prices & grid-outage anxiety
  • 4.2.4 Maturing residential solar loan securitization platforms
  • 4.2.5 EV-charger-ready home energy ecosystems
  • 4.2.6 Peer-to-peer blockchain energy trading pilots
• 4.3 Market Restraints
  • 4.3.1 Volatile interest-rate environment inflating customer acquisition costs
  • 4.3.2 Sudden net-metering policy roll-backs (e.g., CA NEM 3.0)
  • 4.3.3 Polysilicon-supply ESG scrutiny limiting premium-segment demand
  • 4.3.4 Installer labour & permitting bottlenecks in key metros
• 4.4 Supply-Chain Analysis
• 4.5 Regulatory Landscape
• 4.6 Technological Outlook
• 4.7 Porter's Five Forces
  • 4.7.1 Bargaining Power of Suppliers
  • 4.7.2 Bargaining Power of Buyers
  • 4.7.3 Threat of New Entrants
  • 4.7.4 Threat of Substitutes
  • 4.7.5 Competitive Rivalry

5 Market Size & Growth Forecasts

• 5.1 By Technology
  • 5.1.1 Monocrystalline PERC
  • 5.1.2 N-type TOPCon/HJT
  • 5.1.3 Polycrystalline
  • 5.1.4 Thin-film (CdTe, CIGS)
  • 5.1.5 Emerging Perovskite Tandems
• 5.2 By Installation Type
  • 5.2.1 Rooftop-mounted PV
  • 5.2.2 Building-integrated solar roof tiles
• 5.3 By Grid Type
  • 5.3.1 On-grid
  • 5.3.2 Off-grid
  • 5.3.3 Hybrid (PV + Storage + Grid)
• 5.4 By Geography
  • 5.4.1 North America
    • 5.4.1.1 United States
    • 5.4.1.2 Canada
    • 5.4.1.3 Mexico
  • 5.4.2 Europe
    • 5.4.2.1 United Kingdom
    • 5.4.2.2 Germany
    • 5.4.2.3 France
    • 5.4.2.4 Spain
    • 5.4.2.5 Nordic Countries
    • 5.4.2.6 Russia
    • 5.4.2.7 Rest of Europe
  • 5.4.3 Asia-Pacific
    • 5.4.3.1 China
    • 5.4.3.2 India
    • 5.4.3.3 Japan
    • 5.4.3.4 South Korea
    • 5.4.3.5 Malaysia
    • 5.4.3.6 Thailand
    • 5.4.3.7 Indonesia
    • 5.4.3.8 Vietnam
    • 5.4.3.9 Australia
    • 5.4.3.10 Rest of Asia-Pacific
  • 5.4.4 South America
    • 5.4.4.1 Brazil
    • 5.4.4.2 Argentina
    • 5.4.4.3 Colombia
    • 5.4.4.4 Rest of South America
  • 5.4.5 Middle East and Africa
    • 5.4.5.1 United Arab Emirates
    • 5.4.5.2 Saudi Arabia
    • 5.4.5.3 South Africa
    • 5.4.5.4 Egypt
    • 5.4.5.5 Rest of Middle East and Africa

6 Competitive Landscape

• 6.1 Market Concentration
• 6.2 Strategic Moves (M&A, Partnerships, PPAs)
• 6.3 Market Share Analysis (Market Rank/Share for key companies)
• 6.4 Company Profiles (includes Global level Overview, Market level overview, Core Segments, Financials as available, Strategic Information, Products & Services, and Recent Developments)
  • 6.4.1 Sunrun Inc.
  • 6.4.2 Tesla Energy
  • 6.4.3 SunPower Corp.
  • 6.4.4 Enphase Energy
  • 6.4.5 SolarEdge Technologies
  • 6.4.6 Trina Solar
  • 6.4.7 JinkoSolar
  • 6.4.8 Canadian Solar
  • 6.4.9 LONGi Green Energy
  • 6.4.10 JA Solar
  • 6.4.11 Hanwha Q Cells
  • 6.4.12 REC Group
  • 6.4.13 First Solar
  • 6.4.14 Panasonic Energy
  • 6.4.15 SMA Solar Technology
  • 6.4.16 Fronius International
  • 6.4.17 ABB Power Conversion
  • 6.4.18 GoodWe Technologies
  • 6.4.19 Fronius International
  • 6.4.20 LG Energy Solution (ESS)

7 Market Opportunities & Future Outlook

• 7.1 White-space & unmet-need assessment