Skip to main content

Glossary

Market and Policy (Malaysia)​

  • NOVA: Net Offset Virtual Aggregation under NEM3.0; allows offset across accounts.
  • SELCO: Self-Consumption; on-site use without export credit.
  • SARE: Supply Agreement for Renewable Energy; tripartite contract framework.
  • TNB: Tenaga Nasional Berhad; utility and grid operator.
  • ICPT: Imbalance Cost Pass-Through; surcharge/rebate applied to consumption.
  • KWTBB: RE Fund surcharge applied to energy charge.
  • Tariff Category: TNB codes like B (domestic), C1–C3 (commercial), D–F (industrial).
  • SMP: System Marginal Price; reference for export pricing (used as SMP_export.rate in configs).

Technical​

  • kWp: DC array peak power rating.
  • kWh: Energy unit.
  • CT Rating: Current transformer/connection limit constraining system/export.
  • Maximum Demand (MD): Peak power demand during billing period.
  • Performance Ratio (PR): Actual output vs theoretical output.

Optimization and Inputs​

  • Peak Fraction: Assumed share of consumption during peak hours (TOU).
  • Daytime Ratio: Share of daily consumption occurring during daytime.
  • Decision Variables: System size (kWp), optional BESS capacity (kWh).
  • Constraint: Feasibility rule (e.g., CT limit, roof/budget bounds).

Finance​

  • NPV: Net Present Value.
  • IRR: Internal Rate of Return.
  • ROI: Return on Investment.
  • CapEx/Opex: Capital and operating expenditures.
  • Amortization Schedule: Loan repayment breakdown over time.