Articles by

Paul Gipe

Solar PV OPA RetScreen Calculation

By

Paul Gipe

When announcing the Standard Offer Program, the Ontario Power Authority provided a simple RetScreen spreadsheet to calculate simple payback on solar PV.

Ontario’s Solar PV Tariff Price Setting

By

Paul Gipe

Using the principle established by first, the Aachen model, and subsequently that used in Germany's EEG (the Renewable Energy Sources Act), the Ontario Sustainable Energy Asscoiation held a pricing workshop with stakeholders in December, 2004.

Solar Hot Water Systems Tariff Calculation

By

Paul Gipe

The following spreadsheet calculator is a work in progress. The calculator determines the price or tariff per kWh(thermal) necessary to arrive at the financial targets given for a solar hot water system.

German Solar PV Interconnection Procedure

By

Paul Gipe

The following is a rough translation of the German interconnection procedure for small solar PV systems from a flyer produced by Novotech.

Ecovision’s Stuttgart School Solar PV Funds

By

Paul Gipe

Ecovision, a developer of solar investment funds in Freiburg, created an investment vehicle to install solar PV systems on the roof tops of several schools in Stuttgart.

Links to Real Time Solar Generation

By

Paul Gipe

The following are links to web pages that log real time performance of solar PV systems.

Rate of Return Calculation of Solar PV Using @IRATE Function

By

Paul Gipe

My thanks to Simon Boone of Generation Solar Renewable Energy Systems for calling my attention to a simple spreadsheet function for calculating the rate of return.

Solar Radiation & Yields on Tilted Surface

By

Paul Gipe

The following table gives the typical yields (kWh/kW/year) that can be expected at various locations mostly in North America.