Finance Admin

The Finance Admin plays a key supporting role in ensuring the smooth financial and administrative operations of SUN Energy's solar portfolio. This position is responsible for managing monthly billing to offtakers, coordinating financial processes, supporting accounting activities, and maintaining accurate documentation for project operations. By serving as the bridge between project operations, finance, and customers, the Solar Administrator ensures seamless financial workflows and supports overall operational integrity.

As a leading sustainability-as-a-service provider, SUN Energy has been driving the transition to clean energy since 2016 through innovative and sustainable solar solutions. With a strong regional presence across Thailand, Vietnam, Australia, and the broader Asia-Pacific region, we have established ourselves as a trusted partner in delivering high-impact solar energy projects.

SUN Energy specializes in the Commercial & Industrial (C&I) sector, Independent Power Producer (IPP) projects, and rural electrification, empowering businesses and communities with reliable, renewable energy. In Indonesia, we enable organizations to adopt solar power through our Zero Investment Installation model, allowing them to reduce electricity costs and carbon emissions without upfront capital.

Within this ecosystem, the Solar Administrator contributes to SUN Energy's mission by ensuring operational accuracy, financial transparency, and customer satisfaction—critical elements in maintaining strong long-term partnerships and maximizing the value of our solar solutions.

Key Responsibilities:

1. Billing & Invoicing

2. Prepare monthly electricity invoices to offtakers based on meter data, PPA terms, and consumption reports.

3. Verify meter readings, solar generation reports, and billing accuracy before issuing invoices.
4. Upload and submit invoices through customer e-billing systems (e.g., government entities, private clients).
5. Monitor invoice acknowledgment and track approval status.

6. Maintain invoice records, billing logs, and document control.

7. Coordination with Finance Team

8. Coordinate with the finance department for revenue recognition, cash flow planning, andpayment tracking.

9. Provide all supporting documents required for financial closing (e.g., generation reports,invoices, tax invoices).
10. Follow up with finance on payment status and overdue invoices.

11. Support finance during audit, monthly close, and compliance reporting.

12. Accounts Preparation & Administration

13. Prepare basic accounting schedules related to solar revenue, AR (Accounts Receivable),and billing adjustments.

14. Reconcile monthly meter data, billing amounts, and revenue entries.
15. Assist in preparing documents for company account closing including billing summary,AR aging, and PPA revenue report.

16. Maintain and update project financial information (tariffs, PPA terms, COD dates).

17. Customer & Stakeholder Coordination

18. Communicate with offtakers regarding billing issues, credit notes, or invoice

19. clarifications.
20. Coordinate with project teams, O&M teams, and metering teams to collect required data.

21. Support customer queries related to PPA billing, meter replacement, or consumption disputes.

22. Documentation & Compliance

23. Ensure compliance with PPA requirements, taxation rules, and internal finance policies.

24. Maintain all billing-related documents, contracts, and communication logs for audit readiness.
25. Ensure timely submission of government-required financial documents (if applicable).

Qualifications

• Bachelor's degree in Business Administration, Accounting, Finance, or related field.
• 1–3 years of experience in administration, billing, or finance; experience in solar or energy sector is a plus.
• Basic understanding of accounting principles (AR, revenue).
• Proficiency in MS Excel, Google Sheets, ERP systems (SAP, Oracle, or equivalent).
• Good communication and coordination skills.

Key Skills

• Attention to detail & accuracy
• Strong organizational and documentation skills
• Ability to work with cross-functional teams
• Basic financial literacy
• Problem-solving and customer communication skills
• Experience with government entities such as PEA, EGAT, MEA billing portals
• Knowledge of solar PPA contracts and billing structures (FiT, private PPA, ESCOmodel)
• Experience with AR collection and payment follow-ups