Financial and tax accounting for energy storage system integration development

Do energy storage systems provide ancillary services?

However, the intermittent nature of renewable energy requires the support of energy storage systems (ESS) to provide ancillary services and save excess energy for use at a later time. ESS policies have been proposed in some countries to support the renewable energy integration and grid stability.

What is a revenue based energy storage system?

The sales generated by the project are referred to as revenue. The revenues for an energy storage system performing energy arbitrage service are the product of the agreed energy price with the net discharged power.

How are financial and economic models used in energy storage projects?

Financial and economic modeling are undertaken based on the data and assumptions presented in Table 1. Table 1. Project stakeholder interests in KPIs. To determine the economic feasibility of the energy storage project, the model outputs two types of KPIs: economic and financial KPIs.

Is there a financial comparison between energy storage systems?

There is a scarcity of financial analysis literature for all energy storage technologies, and no explicit financial comparison exists between different energy storage systems. Current studies are simplistic and do not take into consideration important factors like debt term and financing sources.

How can a financial model improve energy storage system performance?

The model may integrate more data about energy storage system operation as they have an impact the system lifetime. This will have an influence on the financial outcomes. The existing financial model may be enhanced by adding new EES technical details. There are various valuation methods for energy storage.

Why do we need energy storage systems?

The need to reduce greenhouse gas emissions has catalysed the rapid growth of renewable energy worldwide. However, the intermittent nature of renewable energy requires the support of energy storage systems (ESS) to provide ancillary services and save excess energy for use at a later time.