Grid-Connected Rooftop Solar PV Systems

Grid-Connected Rooftop Solar PV Systems

Photo by UNDP Mauritius & Seychelles

Grid-Connected Rooftop Solar PV Systems

Country
Sector
Most major industry classification systems use sources of revenue as their basis for classifying companies into specific sectors, subsectors and industries. In order to group like companies based on their sustainability-related risks and opportunities, SASB created the Sustainable Industry Classification System® (SICS®) and the classification of sectors, subsectors and industries in the SDG Investor Platform is based on SICS.
Renewable Resources and Alternative Energy
Sub Sector
Most major industry classification systems use sources of revenue as their basis for classifying companies into specific sectors, subsectors and industries. In order to group like companies based on their sustainability-related risks and opportunities, SASB created the Sustainable Industry Classification System® (SICS®) and the classification of sectors, subsectors and industries in the SDG Investor Platform is based on SICS.
Alternative Energy
Indicative Return
Describes the rate of growth an investment is expected to generate within the IOA. The indicative return is identified for the IOA by establishing its Internal Rate of Return (IRR), Return of Investment (ROI) or Gross Profit Margin (GPM).
> 25% (in ROI)
Investment Timeframe
Describes the time period in which the IOA will pay-back the invested resources. The estimate is based on asset expected lifetime as the IOA will start generating accumulated positive cash-flows.
Short Term (0–5 years)
Market Size
Describes the value of potential addressable market of the IOA. The market size is identified for the IOA by establishing the value in USD, identifying the Compound Annual Growth Rate (CAGR) or providing a numeric unit critical to the IOA.
Total electricity consumption exceeding 400 million kWh
Average Ticket Size (USD)
Describes the USD amount for a typical investment required in the IOA.
< USD 500,000
Direct Impact
Describes the primary SDG(s) the IOA addresses.
Affordable and Clean Energy (SDG 7) Climate Action (SDG 13)
Indirect Impact
Describes the secondary SDG(s) the IOA addresses.
Industry, Innovation and Infrastructure (SDG 9) Sustainable Cities and Communities (SDG 11) Responsible Consumption and Production (SDG 12)

Business Model Description

Install grid-connected rooftop solar panels for domestic and commercial use, notably fish processors, cold storage facilities, hotels, and public institutions, abiding by the Public Utilities Corporation (PUC) network limitations: a) domestic consumers are allowed to install PV panels to generate up to 100 % of their monthly consumption, b) commercial consumers who produce more than 10kW, are allowed to generate up to 50% of their monthly consumption. Each application is filed to Seychelles Energy Commission (SEC) and subject to PUC’s analysis and inspection, regarding the impact on the grid and net-metering billing arrangements.

Expected Impact

Increase clean energy access and share in the national mix, helping business continuity and cost reduction as well as modernization of the grid.

How is this information gathered?

Investment opportunities with potential to contribute to sustainable development are based on country-level SDG Investor Maps.

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Country & Regions

Explore the country and target locations of the investment opportunity.
Country
Region
  • Seychelles: Greater Victoria
  • Seychelles: Rural Mahé
  • Seychelles: Praslin
  • Seychelles: La Digue
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Sector Classification

Situate the investment opportunity within sustainability focused sector, subsector and industry classifications.
Sector

Renewable Resources and Alternative Energy

Development need
Seychelles' energy supply is generated from imported fossil fuels, accounting for about 25% of the country's net imports. Therefore, securing energy supply and price stability is intrinsically bound to the cost of fuel, pressure on the national budget and foreign debt sustainability. In addition, 95% of the country's greenhouse gas (GHG) emissions come from the energy sector (1, 2, 3).

Policy priority
Seychelles' updated 2021 Nationally Determined Contribution (NDC) targets are 15.5% energy efficiency and 15% renewable share in national electricity production by 2030. Seychelles' 100% Renewable Energy Strategy foresees total energy sector decarbonization by 2050. NDCs include 293,8 ktCO2e economy-wide reduction in greenhouse gas emissions by 2030 (1, 4).

Gender inequalities and marginalization issues
In Seychelles, more than half of the households are headed by females. Poverty Profiling 2017/2018 by the National Bureau of Statistics (NBS) reveals that households with one woman (living out of union) at the head, aged 25 to 62, are more likely to be affected by income poverty. Hence, energy security in terms of affordability and continued access remains crucial for women's perception of safety and livelihood (5, 6).

Investment opportunities Introduction
Seychelles consistently ranks among the top three countries in Africa regarding governance and the top ten in foundations for economic opportunity. Reliability of the supply of electricity and the off-taker enhance solar energy use as Mahé alone has the theoretical potential to supply 125MW of solar energy through rooftop installations (12, 15).

Key bottlenecks Introduction
Isolated and limited land capacity for large-scale ground installations, insufficient number of the local workforce and technical experts for growing sector needs, hardship in access to blended and concessional financing, sector's highly political and regulated image, subsidized tariff scheme and cap in production of grid-connected energy are main bottlenecks (16).

Sub Sector

Alternative Energy

Development need
Although Seychelles has universal access to electricity, only up to 5% of energy needs are supplied by renewable resources, accentuating the need for improving national energy security, meeting the rising demand, targeting subregional disparities in energy infrastructure, and reducing transport and tourism-related greenhouse gas (GHG) emissions (1, 8).

Policy priority
Seychelles Vision 2033 and National Development Strategy 2019-2023, strategize environmental sustainability and energy security in the country, as energy imports account for 12% of the total government budget annually. The targets share of renewable energy in electricity supply is 15% by 2030, according to Seychelles' updated 2021 Nationally Determined Contribution (NDC) (4, 9, 10).

Gender inequalities and marginalization issues
In Seychelles, parastatals are the main employer in the energy sector, including electricity, gas, steam, and air conditioning supply, with a higher share of the expatriate male workforce, which might undermine the participation of the local female workforce in the renewable energy sector. Subregional storage and battery investments are required as 90% of the nation's population live in three main inner islands with grid connectivity (3, 11).

Investment opportunities introduction
The Seychelles Energy Efficiency and Renewable Energy Programme (SEEREP) financing, the net-metering programme by the Public Utilities Corporation (PUC) and tax incentives promote alternative energy development with adequate land use as in the case of rooftop and floating PV systems in land-scarce inner islands and off-grid solution in outer islands (13, 14).

Key bottlenecks introduction
In grid-connected areas, dominant roofing structure, steep and made from corrugated iron sheets, voltage fluctuations, which affect the inverter, and subsidized household tariffs constrain private-led investments. The high cost of finance and battery investments, especially in Outer Islands, limited incentives, and equipment costs limit the scale of implementations (16).

Industry

Solar Technology and Project Developers

Pipeline Opportunity

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Investment Opportunity Area

Grid-Connected Rooftop Solar PV Systems

Business Model

Install grid-connected rooftop solar panels for domestic and commercial use, notably fish processors, cold storage facilities, hotels, and public institutions, abiding by the Public Utilities Corporation (PUC) network limitations: a) domestic consumers are allowed to install PV panels to generate up to 100 % of their monthly consumption, b) commercial consumers who produce more than 10kW, are allowed to generate up to 50% of their monthly consumption. Each application is filed to Seychelles Energy Commission (SEC) and subject to PUC’s analysis and inspection, regarding the impact on the grid and net-metering billing arrangements.

Business Case

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Market Size and Environment

Critical IOA Unit
Describes a complementary market sizing measure exemplifying the opportunities with the IOA.

Total electricity consumption exceeding 400 million kWh

Electricity consumption in Seychelles reached 402 million kWh in 2020, having increased by 25% in the last five years and by 55% in the previous ten years (18, 19).

6.3 MW installed rooftop solar PV capacity in Seychelles is expected to increase by 800 kW per year (20).

Electricity consumption from renewable resources in Seychelles was 41 TJ in 2018. Renewable energy supply was 73 TJ for the same year, 24% of which was supplied from solar. Renewable electricity consumption grew by 62.7% between 2013-18 (8).

Indicative Return

ROI
Describes an expected return from the IOA investment over its lifetime.

> 25%

Stakeholder consultation with a prominent solar energy supplier in Seychelles reveals that the payback period is less than four years for a rooftop solar investment that generates more than 600 kWh per month (21).

Investment Timeframe

Timeframe
Describes the time period in which the IOA will pay-back the invested resources. The estimate is based on asset expected lifetime as the IOA will start generating accumulated positive cash-flows.

Short Term (0–5 years)

Stakeholder consultation with a prominent solar energy supplier in Seychelles reveals that the payback period is less than four years for a rooftop solar investment that generates more than 600 kWh per month (21).

Ticket Size

Average Ticket Size (USD)
Describes the USD amount for a typical investment required in the IOA.

< USD 500,000

Market Risks & Scale Obstacles

Market - Highly Regulated

Corporates are allowed to generate only up to 50% of their monthly consumption for more than 10kW photovoltaic (PV) installations, as they pay a higher rate than the residents for subsidizing the domestic tariff which is set below the cost of production for the first 400 kWh consumed (13, 20).

Business - Supply Chain Constraints

Regular drop in power from solar panels will require the heavy fuel oil (HFO) generators to frequently start and stop and may cause costly damage to the grid as well as generators (36).

Business - Supply Chain Constraints

There are limited -two- active solar power equipment suppliers in Seychelles (20). The Public Utilities Corporation (PUC) may have to take care of grid stabilisation and battery investments. Dominant roofing structure doesn't permit rooftop installations in households.

Impact Case

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Sustainable Development Need

Seychelles' energy grid is dependent on fossil fuels to generate electricity, aggravating the challenges around cutting greenhouse gas (GHG) emissions according to the Nationally Determined Contribution (NDC) target and sustaining the budgetary discipline.

The private sector mobilised USD 436 million for developing the energy sector in Small Island Developing States (SIDS) between 2013-2020. Still, no transaction took place in Seychelles, in contrast to other Indian Ocean SIDS, including upper-middle-income economies (22).

Although Seychelles has universal access to electricity, energy infrastructure, consisting mainly of power generators that use Heavy Fuel Oil (HFO), is environmentally harmful, ageing, inefficient, and unreliable. Low actual generation capacity -52% of 129 MW installed power capacity- is largely due to ageing generators (23).

Gender & Marginalisation

Electricity supply is a particular concern in La Digue, which depends on the island of Praslin for transmitting energy through two undersea cables that have insufficient capacity to transfer all the electricity needed during peak time, causing costly and frequent power outages (23).

Expected Development Outcome

Increasing renewable energy generation with grid-connected rooftop installations reduces greenhouse gas (GHG) emissions from the energy sector and overreliance on imported fossil fuels.

Scaling up rooftop installations proliferates renewable energy operations in Seychelles, including talent development and equipment supply, furthering private finance mobilisation to the country.

Replacing the old and inefficient energy infrastructure with renewable technologies contributes to the modernisation of the grid. In addition, it enables powering key industries, such as fish processing and tourism, and emerging infrastructural needs, such as an electric vehicle (EV) charging points, with green energy.

Gender & Marginalisation

Renewable energy generation from rooftop solar installations in La Digue, where challenges of a fragile ecosystem, land scarcity, and deficient utility services are more pressing than the other central islands, will secure energy supply for remote and vulnerable communities of the island (26).

Primary SDGs addressed

Affordable and Clean Energy (SDG 7)
7 - Affordable and Clean Energy

7.2.1 Renewable energy share in the total final energy consumption

Current Value

1.99% in 2019 (1).

Target Value

15% by 2030 (4).

Climate Action (SDG 13)
13 - Climate Action

13.2.2 Total greenhouse gas emissions per year

Current Value

790 ktCO2e in 2019 (24).

Target Value

Reduction in total Greenhouse Gas (GHG) emissions by 293.8 ktCO2e in 2030 (26.4%) compared to business as usual (BAU) scenario (4).

Secondary SDGs addressed

9 - Industry, Innovation and Infrastructure
11 - Sustainable Cities and Communities
12 - Responsible Consumption and Production

Directly impacted stakeholders

People

Households that install rooftop PV panels benefit from clean energy access, reducing their vulnerability to crude oil price volatility. Population improves employment and income opportunities in the energy sector through an improved business ecosystem, thanks to the lower cost of electricity.

Gender inequality and/or marginalization

Households headed by single women disproportionately affected by income poverty will benefit from clean access to energy. Remote islands reduce dependence on imported fuels. Youth and women access increased employment opportunities in the renewable energy sector.

Planet

Reduction in greenhouse gas (GHG) emissions and improved air quality due to decreased fossil fuel generator use.

Corporates

Businesses cut energy costs and power facilities that require 24 hours of operation, such as cold storage. Solar component manufacturers and equipment suppliers increase business operations and revenue.

Public sector

Increased clean energy generation contributes to the government's 100% renewable energy target by 2050 and 293.8 ktCO2e greenhouse gas reduction in 2030. The government saves electricity bills for public buildings where rooftop PVs are installed.

Indirectly impacted stakeholders

People

The population has health benefits from less exposure to primary and secondary pollutants caused by energy production from fossil fuels.

Gender inequality and/or marginalization

Businesses and people connected to the Public Utilities Corporation (PUC) grid, specifically in islands outside the main island of Mahé, benefit from continuous and cheap access to electricity.

Planet

Reduction in secondary pollutants, such as ground-level ozone, emitted by diesel generators and harm the vegetation.

Corporates

Reduced carbon footprint contributes to the sustainability of two key sectors, tourism and fisheries, increasing their reach to customers with sustainable business expectations. Hotels benefit from reduced noise pollution caused by diesel generators, increasing customer satisfaction.

Public sector

Government may access international funds that are otherwise inaccessible -due to high-income economy status- and partner with other governments, notably as part of South-South cooperation.

Outcome Risks

Rooftop PV technologies are foreign-dependent; expanding such facilities without improving local technology may increase dependence on imports and deteriorate the trade balance.

Lacking adequate infrastructure to recycle end-of-life solar panels may exacerbate risks associated with the export of waste, such as soil contamination and illegal dumping of hazardous waste.

Impact Risks

The high cost of solar panels and associated installation costs may impede low-income households' affordability.

Uptake by households may be low due to prevalent roof structure: steep and made from corrugated iron sheets which rust in 10 years, earlier than PV panels which are given a 25-years guarantee (21).

Integrating solar energy from rooftop PV installations into the grid might be challenging as inverters stop working when the voltage fluctuation is too high (21).

Impact Classification

C—Contribute to Solutions

What

Scaling up solar rooftop installations decreases reliance on petroleum products, contributes to the modernization of the grid, and accelerates the renewable energy transition in Seychelles.

Risk

Roof-mounted solar PV technologies may not be affordable for the poor, and installations may be inapplicable due to existing roof structures.

Contribution

Roof-mounted solar PV installations and floating PV and hybrid solar systems increase the renewable energy share in the national grid.

Impact Thesis

Increase clean energy access and share in the national mix, helping business continuity and cost reduction as well as modernization of the grid.

Enabling Environment

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Policy Environment

Seychelles Energy Policy (2010-2030) sets the long-term energy strategy of the country, which includes a target of supplying 5% of Seychelles' energy from renewable sources by 2020, 15% by 2030 and 100% in the long term (2).

Seychelles’ Updated Nationally Determined Contribution (NDC), 2021: maintains the power sector targets from the previous NDC, including 15% energy efficiency improvement and powering 15% of the national mix by renewable sources in 2030 (4).

Seychelles Vision 2033: the long-term national vision, envisages that the country's energy needs will be provided by renewable energy and efficient technologies (9).

Seychelles National Development Strategy (NDS), 2019-2023: focuses on using renewable energy to achieve targets of energy security and economic resilience (10).

Reserved Economic Activities Policy, April 2020: provides for ensuring that certain economic activities that are doable and affordable to the Seychellois investors and businesses shall remain reserved for them; the list includes electrical contractors (34).

Financial Environment

Financial incentives: Seychelles Energy Efficiency & Renewable Energy Program (SEEREP) loan and GOS-UNDP-GEF Solar PV Rebate Scheme were put in place but haven't achieved scale due to application issues related to roofing and stability of the grid as well as subsidized domestic price (21).

Fiscal incentives: Imported renewable energy-related commodities, including imported solar panels, are exempt from goods and services tax (28).

Other incentives: Mauritius Commercial Bank (MCB) Seychelles offers corporate and personal green loans to increase investments in sustainable practices and renewable energy, particularly rooftop installations at home (32, 33).

Regulatory Environment

Seychelles Energy Act (2012): provides the legal basis for development and utilization of energy resources in Seychelles, functions of the regulator, Seychelles Energy Commission (SEC), establishment of Seychelles Energy Board, and the tendering procedure for independent power producers (IPPs) (25).

Public Utilities Corporation Act (1986) establishes the corporation with the mandate of supplying electricity and water in Seychelles (27).

Seychelles Investment Act, 2010: broadly defines investment and investor’s nationality - based on citizenship or the level of control - and makes all foreign investments subject to screening by Seychelles Investment Board (SIB), giving the latter a business facilitation role (29, 30).

Seychelles Meteorology Act, 2015: establishes the Seychelles Meteorological Authority, responsible with the provision of forecasts for weather and climate phenomena and monitoring climate change (33).

S.I. 76. - Seychelles Investment (Economic Activities) Regulations, 2022: lists engineering (design) services, in particular for mechanical and electrical installations for buildings as an activity a non-Seychellois may invest in with the requirement to conduct an Economic Needs Test (ENT) (35).

Marketplace Participants

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Private Sector

Sun Tech Seychelles, Energy Solutions Seychelles (ESS), VetiverTech, Complete Energy Solutions (CES), Masdar, Qair, Sustainable Power Solutions (SPS), Mettle Solar Investments, Gridworks, Trinity International LLP, Multiconsult Norge AS.

Government

The Ministry of Agriculture, Climate Change and Environment, the Ministry of Investment, Entrepreneurship and Industry, Public Utilities Corporation (PUC), Seychelles Energy Commission (SEC), The Seychelles Investment Board (SIB), Islands Development Company (IDC).

Multilaterals

The United Nations Development Programme (UNDP), the Global Environment Facility (GEF), International Renewable Energy Agency (IRENA), Abu Dhabi Fund for Development (ADFD), Institute for Environmental Analytics (IEA), African Legal Support Facility (ALSF).

Non-Profit

Sustainability for Seychelles (S4S), University of Seychelles (UniSey), Clinton Foundation.

Target Locations

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country static map
urban

Seychelles: Greater Victoria

Forming the bulk of industrial activity in Seychelles, industrial establishments in Greater Victoria look to improve their carbon footprint and cost reduction through rooftop solar installations.
semi-urban

Seychelles: Rural Mahé

Establishments, specifically large hotels, may implement rooftop solar installations.
semi-urban

Seychelles: Praslin

In Praslin, Seychelles' second most populated island, the cost of electricity production is higher than in Mahé, and green energy would be highly demanded from the traditional fisheries and hospitality sectors and for powering the key infrastructure operations such as solar desalination plants.
rural

Seychelles: La Digue

Connected to the grid through undersea cables from Praslin, La Digue is exposed to land space issues and power outages more than the two more populated islands, Mahé and Praslin, which leverages the business opportunities for rooftop installations.

References

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