Ambuja Cement: Measuring the Value of Water Net Present Value (NPV) / MBA Resources

Introduction to Net Present Value (NPV) - What is Net Present Value (NPV) ? How it impacts financial decisions regarding project management?

NPV solution for Ambuja Cement: Measuring the Value of Water case study

At Oak Spring University, we provide corporate level professional Net Present Value (NPV) case study solution. Ambuja Cement: Measuring the Value of Water case study is a Harvard Business School (HBR) case study written by Utkarsh Majmudar, Namrata Rana. The Ambuja Cement: Measuring the Value of Water (referred as “Water Ambuja” from here on) case study provides evaluation & decision scenario in field of Leadership & Managing People. It also touches upon business topics such as - Value proposition, Manufacturing, Sustainability.

The net present value (NPV) of an investment proposal is the present value of the proposal’s net cash flows less the proposal’s initial cash outflow. If a project’s NPV is greater than or equal to zero, the project should be accepted.

NPV = Present Value of Future Cash Flows LESS Project’s Initial Investment

Case Description of Ambuja Cement: Measuring the Value of Water Case Study

In 2016, Ambuja Cements Limited (Ambuja Cement) was one of the largest cement companies in India. Company operations required the use of water for cooling, dust suppression, and domestic needs, but the use of water stressed the water resources at some of the company's locations. Ambuja Cement thus identified the availability of water as a risk area for the organization and made water conservation a key element of their sustainability agenda. By virtue of its sustainability initiatives, Ambuja Cement became one of the first cement companies in the world to be certified as water positive. The company wanted to account for both the social and economic value its water conservation efforts generated. However, valuing water was a complex task involving many considerations, such as water sources and uses, the social value of water, water scarcity, and exchange rates. Utkarsh Majmudar is affiliated with Indian Institute of Management Udaipur.

Case Authors : Utkarsh Majmudar, Namrata Rana

Topic : Leadership & Managing People

Related Areas : Manufacturing, Sustainability

Calculating Net Present Value (NPV) at 6% for Ambuja Cement: Measuring the Value of Water Case Study

Years              Cash Flow     Net Cash Flow     Cumulative    
Cash Flow
Discount Rate
@ 6 %
Cash Flows
Year 0 (10018577) -10018577 - -
Year 1 3465665 -6552912 3465665 0.9434 3269495
Year 2 3955353 -2597559 7421018 0.89 3520250
Year 3 3943516 1345957 11364534 0.8396 3311052
Year 4 3234921 4580878 14599455 0.7921 2562360
TOTAL 14599455 12663158

The Net Present Value at 6% discount rate is 2644581

In isolation the NPV number doesn't mean much but put in right context then it is one of the best method to evaluate project returns. In this article we will cover -

Different methods of capital budgeting

What is NPV & Formula of NPV,
How it is calculated,
How to use NPV number for project evaluation, and
Scenario Planning given risks and management priorities.

Capital Budgeting Approaches

Methods of Capital Budgeting

There are four types of capital budgeting techniques that are widely used in the corporate world –

1. Internal Rate of Return
2. Net Present Value
3. Payback Period
4. Profitability Index

Apart from the Payback period method which is an additive method, rest of the methods are based on Discounted Cash Flow technique. Even though cash flow can be calculated based on the nature of the project, for the simplicity of the article we are assuming that all the expected cash flows are realized at the end of the year.

Discounted Cash Flow approaches provide a more objective basis for evaluating and selecting investment projects. They take into consideration both –

1. Magnitude of both incoming and outgoing cash flows – Projects can be capital intensive, time intensive, or both. Water Ambuja shareholders have preference for diversified projects investment rather than prospective high income from a single capital intensive project.
2. Timing of the expected cash flows – stockholders of Water Ambuja have higher preference for cash returns over 4-5 years rather than 10-15 years given the nature of the volatility in the industry.

Formula and Steps to Calculate Net Present Value (NPV) of Ambuja Cement: Measuring the Value of Water

NPV = Net Cash In Flowt1 / (1+r)t1 + Net Cash In Flowt2 / (1+r)t2 + … Net Cash In Flowtn / (1+r)tn
Less Net Cash Out Flowt0 / (1+r)t0

Where t = time period, in this case year 1, year 2 and so on.
r = discount rate or return that could be earned using other safe proposition such as fixed deposit or treasury bond rate. Net Cash In Flow – What the firm will get each year.
Net Cash Out Flow – What the firm needs to invest initially in the project.

Step 1 – Understand the nature of the project and calculate cash flow for each year.
Step 2 – Discount those cash flow based on the discount rate.
Step 3 – Add all the discounted cash flow.
Step 4 – Selection of the project

Why Leadership & Managing People Managers need to know Financial Tools such as Net Present Value (NPV)?

In our daily workplace we often come across people and colleagues who are just focused on their core competency and targets they have to deliver. For example marketing managers at Water Ambuja often design programs whose objective is to drive brand awareness and customer reach. But how that 30 point increase in brand awareness or 10 point increase in customer touch points will result into shareholders’ value is not specified.

To overcome such scenarios managers at Water Ambuja needs to not only know the financial aspect of project management but also needs to have tools to integrate them into part of the project development and monitoring plan.

Calculating Net Present Value (NPV) at 15%

After working through various assumptions we reached a conclusion that risk is far higher than 6%. In a reasonably stable industry with weak competition - 15% discount rate can be a good benchmark.

Years              Cash Flow     Net Cash Flow     Cumulative    
Cash Flow
Discount Rate
@ 15 %
Cash Flows
Year 0 (10018577) -10018577 - -
Year 1 3465665 -6552912 3465665 0.8696 3013622
Year 2 3955353 -2597559 7421018 0.7561 2990815
Year 3 3943516 1345957 11364534 0.6575 2592926
Year 4 3234921 4580878 14599455 0.5718 1849577
TOTAL 10446939

The Net NPV after 4 years is 428362

(10446939 - 10018577 )

Calculating Net Present Value (NPV) at 20%

If the risk component is high in the industry then we should go for a higher hurdle rate / discount rate of 20%.

Years              Cash Flow     Net Cash Flow     Cumulative    
Cash Flow
Discount Rate
@ 20 %
Cash Flows
Year 0 (10018577) -10018577 - -
Year 1 3465665 -6552912 3465665 0.8333 2888054
Year 2 3955353 -2597559 7421018 0.6944 2746773
Year 3 3943516 1345957 11364534 0.5787 2282127
Year 4 3234921 4580878 14599455 0.4823 1560051
TOTAL 9477005

The Net NPV after 4 years is -541572

At 20% discount rate the NPV is negative (9477005 - 10018577 ) so ideally we can't select the project if macro and micro factors don't allow financial managers of Water Ambuja to discount cash flow at lower discount rates such as 15%.

Acceptance Criteria of a Project based on NPV

Simplest Approach – If the investment project of Water Ambuja has a NPV value higher than Zero then finance managers at Water Ambuja can ACCEPT the project, otherwise they can reject the project. This means that project will deliver higher returns over the period of time than any alternate investment strategy.

In theory if the required rate of return or discount rate is chosen correctly by finance managers at Water Ambuja, then the stock price of the Water Ambuja should change by same amount of the NPV. In real world we know that share price also reflects various other factors that can be related to both macro and micro environment.

In the same vein – accepting the project with zero NPV should result in stagnant share price. Finance managers use discount rates as a measure of risk components in the project execution process.

Sensitivity Analysis

Project selection is often a far more complex decision than just choosing it based on the NPV number. Finance managers at Water Ambuja should conduct a sensitivity analysis to better understand not only the inherent risk of the projects but also how those risks can be either factored in or mitigated during the project execution. Sensitivity analysis helps in –

What are the uncertainties surrounding the project Initial Cash Outlay (ICO’s). ICO’s often have several different components such as land, machinery, building, and other equipment.

What are the key aspects of the projects that need to be monitored, refined, and retuned for continuous delivery of projected cash flows.

What will be a multi year spillover effect of various taxation regulations.

Understanding of risks involved in the project.

What can impact the cash flow of the project.

Some of the assumptions while using the Discounted Cash Flow Methods –

Projects are assumed to be Mutually Exclusive – This is seldom the came in modern day giant organizations where projects are often inter-related and rejecting a project solely based on NPV can result in sunk cost from a related project.

Independent projects have independent cash flows – As explained in the marketing project – though the project may look independent but in reality it is not as the brand awareness project can be closely associated with the spending on sales promotions and product specific advertising.

References & Further Readings

Utkarsh Majmudar, Namrata Rana (2018), "Ambuja Cement: Measuring the Value of Water Harvard Business Review Case Study. Published by HBR Publications.