Monitoring multiple sites through separate inverter manufacturer portals with no single view of portfolio performance or a way to compare sites?
Energy yield underperformance going undetected for weeks because there's no systematic comparison against forecast or performance ratio benchmarks?
Renewable Energy Software Development
Custom monitoring and operations software for solar, wind, and battery storage operators -- asset performance tracking, energy yield vs forecast, fault detection, and maintenance scheduling in one platform built around your generation assets.
Built around your inverter makes, your grid connection configuration, and your reporting obligations. Not a generic monitoring dashboard that shows the data your inverters already display, but a platform that turns generation data into the operational insight your asset management team actually uses.
Real-time generation monitoring across all sites with portfolio-level and site-level views
Energy yield vs forecast tracking with performance ratio calculation and irradiance normalisation
Fault detection with automated alerting before generation losses accumulate
Preventive maintenance scheduling linked to asset performance data
RaftLabs builds custom renewable energy software for solar, wind, and battery storage operators -- real-time asset monitoring, energy yield tracking vs forecast, performance ratio calculation, fault detection and alerting, preventive maintenance scheduling, and grid connection reporting. Integrates with inverter APIs, SCADA systems, weather data providers, and DNO portals. Most renewable energy monitoring platforms ship in 12-16 weeks at a fixed cost with full source code ownership.
100+Products shipped
·24+Industries served
·FixedCost delivery
·12-16Week delivery cycles
Inverter portals show you the data. Your operations team needs insight from that data.
Every inverter manufacturer provides a monitoring portal. SolarEdge, Fronius, SMA, Huawei, Sungrow -- they all have dashboards showing generation, alerts, and device status. If you operate a single site, that's sufficient.
If you operate five, fifteen, or fifty sites, logging into a different portal for each one is not a monitoring strategy. You can't compare performance across sites. You can't spot portfolio-level trends. You can't generate the consolidated yield reports your investors and offtake partners need without manually pulling data from each system and assembling it in a spreadsheet.
Custom renewable energy software aggregates data from all your sites -- regardless of inverter make or site configuration -- into a single operational platform. Performance is tracked against forecast. Underperformance is flagged before it accumulates. Maintenance is scheduled based on performance data, not just calendar intervals. Reports are generated automatically, not assembled manually.
What we build
Multi-site asset monitoring
Real-time generation data from all sites aggregated into a single portfolio dashboard -- current output, daily yield, monthly generation, and cumulative production. Site-level drill-down showing string and inverter performance, irradiance, and device status. Inverter API integration across your hardware makes -- SolarEdge, Fronius, SMA, Huawei, Sungrow, Growatt, and others. SCADA integration for utility-scale assets. Battery state-of-charge and charge/discharge cycle tracking for storage assets. The single pane of glass across your portfolio that replaces five separate manufacturer portals.
Energy yield vs forecast tracking
Generation performance tracked against modelled forecast -- P50 and P90 production estimates from your energy yield assessment -- with daily, monthly, and annual comparison. Performance ratio calculation normalised for irradiance so underperformance is identified separately from weather effects. Specific yield tracking across sites enabling like-for-like performance comparison regardless of system size. Irradiance data from onsite pyranometers or satellite weather data providers. The performance comparison that tells you which sites are underperforming relative to their potential, not just relative to a static target.
Fault detection and alerting
Automated fault detection from inverter and device alarm data with alert classification by severity. Underperformance alerts when a site's output drops below a defined threshold relative to irradiance and forecast. String-level degradation detection catching underperforming strings before they cause significant energy loss. Alert routing to the right person -- site owner, O&M contractor, or asset manager -- based on alert type and severity. Alert history by site and device for identifying recurring faults. The detection layer that finds problems before they cost you weeks of generation losses.
Preventive maintenance scheduling
Maintenance schedule management covering inverter services, panel cleaning cycles, vegetation management, infrared inspections, and any site-specific O&M requirements. Scheduled maintenance tasks linked to asset performance data -- accelerated cleaning triggered by irradiance data showing soiling losses, inverter service triggered by fault frequency or age. O&M contractor assignment and job confirmation. Maintenance log with date, contractor, tasks completed, and findings. Warranty management showing inverter and equipment warranty status. The maintenance programme that prevents failures rather than responding to them.
Reporting and investor dashboards
Automated generation reports for asset owners, investors, and offtake partners -- monthly yield reports, annual summaries, performance vs forecast, and availability statistics. Report scheduling and automatic distribution by email. Investor dashboard showing portfolio performance, yield to date, and comparison against investment case assumptions. Grid connection reporting for DNO submissions -- export metering data, connection performance statistics, and any regulatory reporting required by your grid connection agreement. The reporting that your stakeholders need delivered automatically, not assembled at the end of every month.
Grid integration and export management
Grid connection monitoring showing export limit compliance, tripping events, and curtailment. Dynamic export management for G100 and other smart export schemes. Grid code reporting for connection performance compliance submissions. Battery dispatch management for grid-firmed generation assets -- charge and discharge scheduling to maximise revenue from TOU tariffs, FFR, BM, and other ancillary services. Curtailment tracking with generation loss calculation for insurance and O&M contract management. The grid operations layer for assets where the connection is as important to manage as the generation itself.
Frequently asked questions
Yes. Multi-manufacturer inverter integration is one of the core requirements for portfolio operators. We integrate with inverter APIs for the major manufacturers -- SolarEdge, Fronius, SMA, Huawei FusionSolar, Sungrow, Growatt, GoodWe, and others -- pulling real-time and historic generation data into the unified platform. Where an inverter does not provide a direct API, we integrate via Modbus, MQTT, or data logger protocols. For utility-scale assets, we integrate with SCADA systems via OPC-UA or standard industrial protocols. The integration scope is assessed during discovery based on your specific equipment -- not all manufacturers provide equally comprehensive APIs, and we confirm what's achievable for your hardware before development starts.
Performance ratio calculation requires irradiance data to normalise generation performance for weather conditions. We support three sources depending on your instrumentation: onsite pyranometers that measure actual irradiance at the site, giving the most accurate input for the calculation; satellite-derived irradiance from providers like Solargis, SolarAnywhere, or Copernicus, which provides good accuracy without on-site instrumentation; and weather station data from nearby stations where pyranometer data is unavailable. The source and its accuracy limitations are documented in reports so performance ratio calculations are interpreted correctly. For sites without onsite irradiance measurement, we typically recommend satellite data as the balance of accuracy and cost for monitoring purposes.
Yes. The platform can track O&M contractor performance against contractual KPIs -- availability guarantees, response time SLAs, and scheduled maintenance completion rates. Fault response time measured from alert trigger to contractor confirmation and resolution. Maintenance schedule adherence tracked against the agreed programme. Generation losses attributable to contractor response failures calculated for warranty and contractual dispute purposes. Contractor reporting showing performance metrics per site and across the portfolio. This data is valuable both for managing the contractor relationship and for demonstrating performance in discussions about contract renewal or penalty application.
A monitoring platform covering multi-site data aggregation, performance tracking, fault detection, and automated reporting typically runs $40,000--$90,000. A more complete platform with battery dispatch management, grid integration, investor dashboards, and O&M contractor management typically runs $90,000--$180,000. Cost depends on the number of sites and inverter makes to integrate, the complexity of the grid connection requirements, whether battery storage management is included, and the reporting requirements of your investors and offtake partners. We scope every project before pricing it -- you get a fixed cost and a clear delivery timeline before development starts.
IoT Development -- sensor integration, telemetry, and edge computing for energy assets
Talk to us about your renewable energy software project.
Tell us your portfolio -- number of sites, asset types, inverter makes, and what you need the platform to do. We'll scope the right system and give you a fixed cost.