Peer to peer finance mechanisms to support renewable energy growth

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This page represents the summary of the work done summarized in 2 papers from May 2009 to May 2011.

Peer-to-peer financing mechanisms to accelerate renewable energy deployment

Abstract: Despite the clear need to reduce greenhouse gas emissions, lack of access to capital and appropriate financing mechanisms has limited the deployment of renewable energy technologies (RETs). Feed-in tariff (FIT) programmes have been used successfully in many countries to make RETs more economically feasible. Unfortunately, the large capital costs of RETs can result both in the slow uptake of FIT programmes and incomplete capture of deployment potential. Subsidies are concentrated in financial institutions rather than the greater population as traditional bank loans are required to fund RET projects. This article critically analyses and considers the political, financial and logistical risks of an innovative peer-to-peer (P2P) financing mechanism. This mechanism has the goal of increasing RET deployment capacity under an FIT programme in an effort to equitably distribute both the environmental and economic advantages throughout the entire population. Using the Ontario FIT programme as a case study, this article illustrates how the guaranteed income stream from a solar photovoltaic system can be modelled as an investment and how P2P lending mechanisms can then be used to provide capital for the initial costs. The requirements for and limitations of these types of funding mechanisms for RETs are quantified and discussed and future work to deploy this methodology is described.

Keywords: feed-in tariff; funding innovation; microfinance; peer to peer lending; photovoltaics; renewable energy; sustainability

Source: K. Branker, E. Shackles & J. M. Pearce (2011): Peer-to-peer financing mechanisms to accelerate renewable energy deployment, Journal of Sustainable Finance & Investment, 1:2, 138-155

Whilst the first paper above covers using the P2P Lending mechanisms under only FIT jurisdications for RETs (Option A), the second paper suggests how this concept can be expanded to off-grid projects (Options B).

[K. Branker, J.M. Pearce, Accelerating the growth of photovoltaic deployment with peer to peer financing, Solar 2011 Conference Proceedings (2011) – In press]

Background and Major Findings


Fig. 1: Jurisdictions in the World with Feed-in Tariff Programs illustrating Their Average Annual Solar Irradiation up to 2009

FITs represent the most common incentive for RETs. Particularly, solar PV and wind have seen explosive growth in jurisdictions with FITs. Fig 1 shows the potential market for FITs, with more than 60 jurisdictions having them, such that a global P2P lending netwrk could be beneficial. Fig. 1 illustrates the geographic distribution of countries, provinces and states with enacted FITs. The inset shows the cumulative number of jurisdictions that have enacted FITs from 1978 to early 2009. The average annual solar irradiation adapted from the Atmospheric Science Data Center is illustrated for the FIT jurisdictions.

P2P Lending

It is easy to consider P2P lending platforms as an alternative method for funding RET projects given that traditional financial institutions have rigid collateral and minimum loan size requirements.

P2P Lending platforms employ loans that are either secured (with collateral considerations) or unsecured (using other attributes of the borrower). Also, depending on the platform, there can be pooled and/or direct lending. Furthermore, there are 4 distinct business models with examples summarised in Table 1, with variations and mixtures of these models existing. [(i) microfinance (MF) (non-profit), (ii) social investing (SI) (low return), (iii) marketplace and/or auction (MP/A) (profit maximization-high return) and (iv) social lending service (SLS) (low return between family and friends)]

Table 1: Summary of Examples of P2P Lending Platforms

Organization Business Model Details Interest Direct
Fees Loan Term
Kiva (2005) MF enables lenders to invest in micro- entrepreneurs in the developing world through an MFI None Both No 6-12 months
Energy in Common, EIC (2010) MF/charity Uses MFIs to collect data and interact with clients, but focuses on raising funds directly for energy related investments of the poor, primarily in Ghana, but expanding to Nigeria and Tanzania None Direct No < 2 to >12 months
[ United Prosperity] (2008) MF/loan guarantor Involves a loan guarantee from the “lender” at no interest to an MFI to raise more funds for micro-entrepreneurs None Pooled No variable
Wokai (2006) MF/charity Donations to Chinese entrepreneurs as a tax deduction in the United States None Pooled No N/A
Microplace (2006) MF/SI (low return) Investment in MFI funds in several locations, including Mexico, India and the United States, for the poor or small entrepreneurs 1% to 6% Pooled No < 1 to >3 years
MYC4(2007) SI/MF/A Connects lenders anywhere with African entrepreneurs at low interest rates Variable rate dependant on risk Both Yes 6 - 24 months
[ Prosper] (2006) MP/A lenders can bid interest rates and other loan terms as a competitive market Market rate dependant on risk Both Yes 3 years
Lending Club(2007) MP investment at rates dictated by the loans market Market rate dependant on risk Both Yes 3 years
CommunityLend (2006) MP/A lenders can bid interest rates and other loan terms as a competitive market Market rate dependant on risk Both Yes 3 years
Virgin Money (2001) MP/A facilitator for loans between family and friends only that does the paperwork and processes the transactions Fixed negotiation between family and friends Both Yes Fixed negotiation between family and friends

Proposed P2P Lending Framework

Given the actual economics of RETs, it is clear from Table 1, that modifications need to be made to existing P2P networks in order to maximize the benefits of RETs.The main requirements are:

  1. Larger and longer term loans (in line with true costs and payback for a system)
  2. Methods ti invoke Online Trust and reduce Risk of Default (employ social netowrks, guarantors and recommendations)
  3. Loan security (By ensuring the system has insurance and third party verification and only using products with best available warranties)
  4. Ensuring that tax deductions or carbon offsets will be recognized by lenders’ countries

Fig 2. summarizes the proposed global lending networks.
Option A: P2P Lending for FIT supported RET
Option B: P2P Lending for off-grid RET

Fig. 2: Model Framework

Option A Option B
P2P-FIT-RET Network with PV example P2P-off grid-PV Network example

Examples and Implications

In the papers, a solar PV system is used to show how the models might work from a financial aspect.

In the case of Option A, the framework was applied to existing platforms with the required modifications for loan term and size. Given the modifications, existing platforms would be capable of financing the Solar PV system, ensuring a return for both the borrower and the lender.

In the case of Option B, a case study from Energy in Common is presented.

Related Research Pages

Related Papers

  • K. Branker, J.M. Pearce, Accelerating the growth of photovoltaic deployment with peer to peer financing, Solar 2011 Conference Proceedings (2011) – In press

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