NREL’s PVWatts: A Convenient Solar Panel Calculator

PVWatts Calculator

PVWatts is an online solar panel calculator for estimating the output of your solar energy system. It is developed and operated by the US-based National Renewable Energy Laboratory (NREL). One of the interesting features of PVWatts is the ability to analyze both the energy generation as well as cost savings of grid-connected photovoltaic systems. Similar to ...

What North America can learn from PVGIS

When it comes to renewable energy, Europe has traditionally been a powerhouse. Despite the recent economic hardship in the region, Europe continues to be a leader in the sector. One of the key reasons for this leadership role is the decades-long support of governments to develop core capabilities for manufacturing, installing and operating renewable energy ...

Software for Solar Energy Investment Analysis

I often get asked about which software tools to use to determine the feasibility of a solar energy investment. Here are some of my favorite software tools (apart from our very own Discover and GO tools, of course!): RETScreen: This is a great software tool developed by Natural Resources Canada. It includes solar resource analysis as ...