Rating Rationale
September 22, 2023 | Mumbai
Thermax Onsite Energy Solutions Limited
Ratings reaffirmed at 'CRISIL AA+/Stable/CRISIL A1+'; Rated amount enhanced for Bank Debt
 
Rating Action
Total Bank Loan Facilities RatedRs.180 Crore (Enhanced from Rs.100 Crore)
Long Term RatingCRISIL AA+/Stable (Reaffirmed)
Short Term RatingCRISIL A1+ (Reaffirmed)
Note: None of the Directors on CRISIL Ratings Limited’s Board are members of rating committee and thus do not participate in discussion or assignment of any ratings. The Board of Directors also does not discuss any ratings at its meetings.
1 crore = 10 million
Refer to Annexure for Details of Instruments & Bank Facilities

Detailed Rationale

CRISIL Ratings has reaffirmed its ‘CRISIL AA+/Stable/CRISIL A1+’ ratings on the bank loan facilities of Thermax Onsite Energy Solutions Ltd (TOESL).

 

The ratings continue to reflect the strong technological, managerial, operational, and financial support TOESL receives from its parent, Thermax Ltd (Thermax; ‘CRISIL AA+/Stable/CRISIL A1+’). The ratings also consider healthy financial and business risk profiles of TOESL, led by long-term contracts providing revenue visibility. These strengths are partially offset by exposure to supply risks for the boilers operated by TOESL.

Analytical Approach

CRISIL Ratings has factored in the business, financial and managerial support that TOESL receives from Thermax.

Key Rating Drivers & Detailed Description

Strengths:

  • Strong support from the parent, Thermax: TOESL is a part of the services vertical of Thermax and receives complete support from the parent for the maintenance and upkeep of boilers operated by TOESL. The company purchases spares from Thermax and independently finalises contracts with customers. Financial support from the parent is likely to continue.

 

  • Healthy financial risk profile: Networth improved to Rs 154 crore as on March 31, 2023, from Rs 61 crore as on March 31, 2020. Meanwhile, debt (Rs 90 crore in fiscal 2023) is expected to increase over the medium term, in line with growth plans. Yet, gearing is expected at comfortable levels. Total outside liabilities to tangible networth (TOLTNW) ratio is projected at less than 1.1 times over the medium term. Debt protection metrics should remain healthy, with interest coverage ratio more than 4 times.

 

  • Long-term contracts provide revenue visibility: TOESL has long-term contracts with customers. These contracts are typically for 10 years with prices based on fuel price, which is pass through with a predefined formula. TOESL has contracts for supplying, heat, steam and water treatment generated from biomass fired boilers, benefiting its business risk profile. 

 

Weakness:

  • Exposure to supply risks: TOESL takes complete ownership in arranging for the raw material, biomass, used for firing the boilers. Timely availability of the raw material is critical to ensure sustenance of operations. However, this risk is mitigated by the presence of the company’s boilers across India, with limited concentration to a geography. Additionally, TOESL further mitigates its supply arrangements given its tie up with multiple fuel supply vendors for fuel securitization.

Liquidity: Strong

The parent will continue to provide need-based support during exigencies. On standalone basis, liquidity will remain adequate over the next two fiscals, with cash accrual expected over Rs 20 crore per annum against debt obligation in the medium term. Cash and equivalent stood at Rs 10-12 crore and working capital limit was not utilised.

Outlook: Stable

TOESL will continue to receive strong support from Thermax over the medium term.

Rating Sensitivity factors

Upward factors:

  • Improvement in the credit risk profile of the parent
  • Healthy revenue growth and operating margin over 12% on sustained basis
  • Sustenance of healthy financial risk profile, with TOLTNW ratio less than 1.2 times and adequate liquidity

 
Downward factors:

  • Weakening of the credit risk profile of the parent
  • Operating margin below 6% because of cost overrun or lack of raw material availability
  • Major, debt-funded capital expenditure or acquisition, leading to significant moderation in credit metrics

About the Company

Incorporated in 2009, TOESL operates biomass-fired boilers and supplies steam. It is a 100% subsidiary of Thermax. TOESL procures the boilers from Thermax on lease and installs them in customer locations. While TOESL deploys its workforce to operate and manage the boilers, Thermax provides support in the maintenance of machinery and spare parts.

Key Financial Indicators

Particulars

Unit

2023

2022

Operating income

Rs crore

348

218

Profit after tax (PAT)

Rs crore

16

14

PAT margin

%

4.6

6.2

Adjusted gearing

Times

0.59

0.42

Interest coverage

Times

11.8

13.4

Any other information: Not applicable

Note on complexity levels of the rated instrument:
CRISIL Ratings` complexity levels are assigned to various types of financial instruments and are included (where applicable) in the 'Annexure - Details of Instrument' in this Rating Rationale.

CRISIL Ratings will disclose complexity level for all securities - including those that are yet to be placed - based on available information. The complexity level for instruments may be updated, where required, in the rating rationale published subsequent to the issuance of the instrument when details on such features are available.

For more details on the CRISIL Ratings` complexity levels please visit www.crisilratings.com. Users may also call the Customer Service Helpdesk with queries on specific instruments.

Annexure - Details of Instrument(s)

ISIN Name of the
instrument
Date of
Allotment
Coupon
Rate (%)
Maturity
Date
Issue size
(Rs. Crore)
Complexity
Level
Rating assigned
with outlook
NA Long Term Bank Facility NA NA NA 150 NA CRISIL AA+/Stable
NA Short-term bank facility NA NA NA 10 NA CRISIL A1+
NA Proposed Long-term bank loan facility NA NA NA 20 NA CRISIL AA+/Stable
Annexure - Rating History for last 3 Years
  Current 2023 (History) 2022  2021  2020  Start of 2020
Instrument Type Outstanding Amount Rating Date Rating Date Rating Date Rating Date Rating Rating
Fund Based Facilities LT/ST 180.0 CRISIL AA+/Stable / CRISIL A1+   -- 28-06-22 CRISIL AA+/Stable / CRISIL A1+ 11-06-21 CRISIL AA+/Stable / CRISIL A1+ 14-05-20 CRISIL AA+/Stable / CRISIL A1+ --
      --   --   -- 06-04-21 CRISIL AA+/Stable / CRISIL A1+   -- --
All amounts are in Rs.Cr.
Annexure - Details of Bank Lenders & Facilities
Facility Amount (Rs.Crore) Name of Lender Rating
Long Term Bank Facility 70 The Hongkong and Shanghai Banking Corporation Limited CRISIL AA+/Stable
Long Term Bank Facility 80 The Hongkong and Shanghai Banking Corporation Limited CRISIL AA+/Stable
Proposed Long Term Bank Loan Facility 20 Not Applicable CRISIL AA+/Stable
Short Term Bank Facility 10 ICICI Bank Limited CRISIL A1+
Criteria Details
Links to related criteria
CRISILs Approach to Financial Ratios
Rating criteria for manufaturing and service sector companies
CRISILs Bank Loan Ratings - process, scale and default recognition
Rating Criteria for Engineering Sector
Criteria for Notching up Stand Alone Ratings of Companies based on Parent Support
Understanding CRISILs Ratings and Rating Scales

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