| Debt Instruments | Non-concessional loans | Sum of money that is given but needs to be repaid. | Commercial banks, corporates |
| Concessional loans | Sum of money that is given at a relative cheaper cost. | Governments, multilateral/bilateral finance institutions, infrastructure funds |
| Grants | Sum of money that is given but does not need to be repaid. | Public and private investors, MDBs |
| Debt swaps | Sale of a foreign currency debt to an investor or debt forgiveness by the creditor, in exchange for the debt relief. | Public and private investors |
| Green, social, thematic and sustainability linked bonds | Debt instruments where proceeds are used to finance or refinance, in part or in full, new and/or existing eligible projects/assets/companies. | Public (national, sub-national or municipal) and private investors, banks or corporations |
| Quasi equity | Debt, typically unsecured and subordinated that raises capital base with no changes to the ownership structure. | Public and private investors |
| Equity Instruments | Equity securities | Ownership interest held by shareholders in an entity (a company, partnership, or trust), realized in the form of shares of capital stock. | Public and private investors |
| Investment grants | Sum of money that does not need to be repaid. | Governments, multilateral/bilateral finance institutions |
| Co-financing | Joint financing between two entities working to finance an activity. | Public and private investors |
| Credit-enhancement Instruments | Interest-rate softening mechanisms | Lower interest rates and other costs below the market rates. | Governments, multilateral/bilateral finance institutions |
| On-lending / re-financing | Borrowing from external or domestic sources and thereafter pass the loan to another entity / replacement of an existing debt obligation with another debt obligation under different terms. | Development / institutional finance institutions |
| Project bond credit enhancement | Subordinated instrument, either a loan or contingent facility, to support senior project bonds issued by a project company. | Multi-lateral / bi-lateral finance institutions |
| Subordination of credit trenching excess spread, over collateralization, reserve accounts, etc. | Prioritization of collateralized debts, ranking one behind another for purposes of collecting repayment from a debtor. Subordinated debts are riskier than higher priority loans, transferring risk in the event the results of projects are not fully achieved. | Local and national governments |
| Risk-transfer Instruments | Insurances | The creation of risk transfer mechanisms that provide resources for disasters and transfer loss liabilities to capital market investors. | Insurance companies |
| Guarantees | A promise to repay the debt of another in the event of default. | Governments, multilateral/bilateral finance institutions |
| Results-based climate finance | Funds are disbursed by the donor or investor after pre-agreed results of the activity are achieved and verified. | Governments, multilateral / bilateral finance institutions |
| Blended finance | Development capital as part of the effort to mobilize private capital. | Governments, multilateral/bilateral finance institutions |
| Technical assistance grants | Sum of money that is given for capacity building and information and expertise, instruction, training and consultation related to a climate activity but does not need to be repaid. | Governments, multilateral/bilateral finance institutions |
| Risk capital | Funds (equity / concessional loans) allocated to climate mitigation / adaptation activity with high level of uncertainty. | Governments, multilateral / bilateral finance institutions |